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Rockwell Automation 1756 ControlLogix Communication Module

Basic Information and Module Classification

1. Basic information

Document positioning: Technical manual for industrial grade ControlLogix communication module, including module selection, parameter configuration, installation requirements, suitable for building and maintaining industrial control networks;

Core coverage: 7 types of networks (EtherNet/IP, DeviceNet, DH+, Remote I/O, DH-485, SynchLink, ControlNet), 3 types of special modules (conformal coating, XT wide temperature, legacy obsolete);

Module model system: Named according to “network type+functional characteristics”, such as 1756-EN2T (EtherNet/IP network, 2-port), 1756-DNB (DeviceNet network), suffix “K” represents normal coating (anti-corrosion), “XT” represents wide temperature environment (-25~70 ℃).

2. Overview of module classification

Network type, core module model, functional positioning, special version

EtherNet/IP 1756-EN2F/EN2TT/EN2TP/EN2TR/EN3TR/EN4TR/ENBT Industrial Ethernet Bridge, supporting real-time I/O and message communication 1756-EN2TK (coating), 1756-EN2TXT (wide temperature)

DeviceNet 1756-DNB/E connects the underlying network bridging of sensors/actuators-

DH+/Remote I/O 1756-DHRIO, 1756-RIO/B DH+message communication, Remote I/O scanning/adaptation 1756-DHRIOXT (wide temperature)

DH-485 1756-DH485 low-cost serial communication network-

SynchLink 1756-SyncH fiber optic synchronous communication for distributed motion control-

ControlNet 1756-CN2/CN2R/CNB/CNBR legacy control network, real-time high-throughput 1756-CN2RK (coating), 1756-CN2RXT (wide temperature)

Legacy 1756-EWEB (web server) and 1756-TIME (time synchronization) have been discontinued and alternative solutions are provided-

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Core network module technical specifications (sorted by network type)

(1) EtherNet/IP module: Industrial Ethernet core

1. Core functions and selection criteria

Key capabilities: Supports CIP protocol (real-time I/O+message communication), DLR ring network (1756-EN2TR/EN3TR/EN4TR), PRP redundancy (1756-EN2TP/EN4TR, firmware 4.001+), CIP Security encryption (1756-EN4TR);

Selection Comparison Table:

Module model, port specifications, maximum number of connections (TCP/CIP), packet rate (PPS), and adaptation scenarios

1756-ENBT 1 × RJ45 (10/100Mbps) 64/128 5000 (I/O)/900 (HMI) basic Ethernet networking

1756-EN2T 1 × RJ45 (10/100Mbps) 128/256 25000 (I/O)/2000 (HMI) Medium scale I/O control

1756-EN4TR 2 × RJ45 (10/100/1000Mbps) 512/1000 (I/O)+528 (message) 50000 (unencrypted)/15000 (encrypted) large redundant network, supporting 256 axis motion

1756-EN2TXT (wide temperature) 1 × RJ45 (10/100Mbps) 128/256 25000 (I/O) Extreme temperature environment (-25~70 ℃)

2. Common technical parameters

Power supply: 5.1V DC (current 0.7~1.2A), partially supporting 24V DC auxiliary power supply;

Environmental adaptability: Operating temperature of 0-60 ℃ (conventional)/-25~70 ℃ (wide temperature), humidity of 5%~95%, non condensing, ESD resistance (contact with 6kV/air 8kV);

Certification: c-UL-us (Class I Div 2), ATEX Zone 2, CE, RCM, compliant with ODVA EtherNet/IP.

(2) DeviceNet module: underlying device networking

Core parameters: 1756-DNB/E supports 125/250/500kbps communication rate, maximum 64 nodes, 24V DC (11-25V) power supply, current 60mA;

Key features: Supports CIP protocol, adapts to sensors/actuators, USB port for temporary configuration (prohibited for use in hazardous environments);

Environment and Certification: Operating temperature range of 0-60 ℃, certified with EtherNet/IP module, compliant with ODVA DeviceNet.

(3) DH+/Remote I/O module: legacy network compatible

1756-DHRIO (dual function)

DH+function: Supports speeds of 57.6/115.2/230.4kbps, with a maximum of 32 message connections;

Remote I/O function: As a scanner, it supports 32 logical racks and 16 block transfer connections;

Parameters: 5.1V DC current 850mA, operating temperature 0~60 ℃ (conventional)/-25~70 ℃ (XT model).

2. 1756-RIO/B (Remote I/O only)

Function: Supports scanner/adapter mode, 32 physical racks, transfers analog/digital/block data;

Restriction: When used as an adapter, it must be paired with a ControlLogix controller.

(4) ControlNet module: Legacy High Throughput Network

Core parameters: Communication rate of 5Mbps, maximum 99 nodes, 1756-CN2/CN2R supports 128 Logix connections, 1756-CNB/CNBR supports 40-48 connections;

Redundancy feature: 1756-CN2R/CNBR supports dual port redundancy to ensure uninterrupted network operation;

Alternative suggestion: It is recommended to migrate to EtherNet/IP, refer to the “ControlNet to EtherNet/IP Migration Reference Manual” (CNET-RM001).

(5) Other network modules

1756 SynchLink: Fiber optic communication (650nm wavelength, 200/230 μ m HCS fiber), speed 5Mbps, high synchronization accuracy, used for multi chassis motion coordination;

1756-DH485 (DH-485): speed of 9.6/19.2kbps, 2 DB9 ports, requires a 1761-NET-AIC converter to connect to the network and adapt to old devices.

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Special version and Legacy module description

1. Special version module

Conform coating version (suffix K): such as 1756-EN2TK, 1756-CN2RK, anti salt spray, corrosion, suitable for humid/chemical environments;

XT wide temperature version (suffix XT): such as 1756-EN2TXT, 1756-DHRIOXT, working temperature -25~70 ℃, in compliance with ANSI/ISA-S71.04 G1/G2/G3, suitable for extreme industrial environments.

2. Legacy module (discontinued)

1756-EWEB: discontinued in November 2021, alternative solution is 1756-CMS1B1/CMS1C1 (Compute module);

1756-TIME: discontinued in November 2021, replaced by Aparian A-TSM/B time synchronization module( https://www.aparian.com/products/timesync ).

Common technical requirements and supporting resources

1. General parameters

Power supply and power consumption: Most modules rely on ControlLogix chassis 5.1V DC power supply, with a power consumption of 3.5~6.7W, and some require 24V DC assistance;

Installation requirements: 1 slot width, suitable for chassis such as 1756-A4/A7/A10, recommended power supply 1756-PA75/PB75 (regular), 1756-PAXT/PBXT (XT wide temperature version);

Electromagnetic compatibility (EMC): compliant with IEC 61000-6-2/-4, resistant to radiated interference (10V/m, 80-2000MHz), and resistant to EFT (± 3kV, 5kHz).

2. Key attachments

Network Type Attachment Model Description

EtherNet/IP 1585J-M8PBJM-x Ethernet jumper (2/5/10m, Cat5e/Cat6)

DeviceNet KwikLink Lite flat cable and IDC connector, fast networking without wire stripping

ControlNet 1786-RG6 quad shielded coaxial cable, 1786-TCT2BD1 (IP67 T-connector)

DH+1770-CD Belden 9463 dual axis cable, 9300-RADKIT (remote dialing kit)

Selection and migration suggestions

Priority for new projects: prioritize the selection of EtherNet/IP modules (1756-EN4TR/EN2TR), which support redundancy, encryption, and motion control, and are compatible with future expansion;

Legacy network maintenance: DH+/ControlNet module is only used for upgrading existing systems. It is recommended to migrate to EtherNet/IP for new scenarios;

Special environment adaptation: Choose the “K” coating for humid/corrosive environments, and the “XT” wide temperature version for high and low temperature environments to ensure compliance with on-site protection levels;

Module replacement for elimination: 1756-EWEB/1756-TIME needs to be replaced according to the recommended document plan to avoid operational risks in the later stage.

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Rockwell Automation Stratix series Ethernet devices

Overview of Basic Information and Equipment Categories

Basic information

Document positioning: Technical specification manual for industrial grade Ethernet equipment, including detailed parameters, compatibility, installation requirements, suitable for equipment selection, deployment, and maintenance;

Applicable brands: Allen Bradley Stratix series, some including ArmorStratix (reinforced) sub series;

Core coverage categories: There are a total of 16 types of devices, divided into switch categories (10 types), routing/security categories (3 types), wireless categories (1 type), and auxiliary technology categories (2 types), as follows:

Switches: Stratix 2000 (unmanaged), 2100 (unmanaged), 2500 (light managed), 5200 (managed), 5400 (managed), 5410 (managed), 5700 (managed), ArmorStratix 5700 (reinforced managed), 5800 (modular managed), 6000 (managed);

Routing/Security Category: Stratix 4300 (Remote Access Router), 5900 (Service Router), 5950 (Security Gateway);

Wireless category: Stratix 5100 (wireless access point/workgroup bridge);

Assistive technology: Embedded switching technology (Ethernet Taps), configurable NAT routers, CIP security agents.

Core equipment technical specifications (sorted by category)

(1) Switch category: classified by “non network management/light network management/network management”

1. Non managed switch: Stratix 2000/2100

Core features: No complex configuration function, plug and play, focusing on basic data transmission;

Key parameter comparison:

Equipment model, port specifications (typical), power supply range, operating temperature, protection level

Stratix 2000 (Series B) 5-18 ports (FE/GE RJ45+SFP, partially pre installed multi-mode/single-mode SFP) 12-48V DC, 18-30V AC -10~60 ℃ (base version)/-40~75 ℃ (wide temperature version) IP30

Stratix 2100 5-18 ports (FE/GE RJ45+SFP, including PoE) 12-48V DC, 24V AC -40~75 ℃ IP30

Special design: Stratix 2000 Series A/B, optimized port configuration for Series B (such as replacing 1783-US14T2S/A with 1783-US16T2S/B and adding 2 GE SFP slots).

2. Light network management switch: Stratix 2500

Core function: Supports basic VLAN and IGMP snooping, without complex routing functionality;

Key parameters: Only 2 models (1783-LMS5/8), 5-8 FE copper cables, power supply 12-24V DC, working temperature -20~60 ℃, protection IP30, simple networking suitable for industrial control scenarios.

3. Network management switch: 5200/5400/5410/5700/ArmorStratix 5700/5800/6000

Common features: Supports Layer 2/Layer 3 protocol, CIP Sync (IEEE 1588), DLR ring network NAT, Partial includes PoE/PoE+(30W/port);

Differentiated parameters (typical models):

Model Port Capability Power Supply and PoE Budget Wide Temperature Capability Special Advantages

5200 (1783-CMS10DN) 8GE+2GE combo 12-48V DC, no PoE -40~60 ℃ support PRP redundancy, TSN ready

5410 (1783-IMS28GNDC) 12GE+4GE SFP+12PoE 24-60V DC, single power 60W/dual power 185W -40~60 ℃ with conformal coating, suitable for harsh environments

ArmorStratix 5700 (1783-ZMS8TA) 8FE, M12 interface 9.6-60V DC, no PoE -40~60 ℃ IP66/IP67 protection, reinforced shell for impact resistance

5800 (1783-MMS10EAR) 8GE+2GE SFP (modular, expandable 16 ports) 12-54V DC, PoE total budget 360W -40~60 ℃ supports hot swappable expansion modules, suitable for large-scale networking

6000 (1783-EMS08T) 8FE+1SFP 24V DC, no PoE 0~60 ℃, compact size, compatible with substations (IEC 61850-3 compatible)

(2) Routing/security devices

1. Stratix 4300 Remote Access Router

Core capability: Supports both wired (LAN/WAN) and wireless (Wi Fi 802.11a/b/g/n/ac, 4G LTE CAT4) dual-mode, with a maximum data rate of 1.73 Gbps (Wi Fi) and 150 Mbps (4G download);

Key parameters: Power supply 9-34V DC, operating temperature -20~65 ℃ (non wireless version)/-20~60 ℃ (wireless version), including Bluetooth 5.1, compatible with remote industrial site networking.

2. Stratix 5900 Service Router

Positioning: Small industrial service routing, supporting VPN and firewall;

Parameters: Power supply 5V DC (requires external adapter), operating temperature -25~60 ℃, protection IP30, suitable for lightweight remote management scenarios.

3. Stratix 5950 Security Gateway

Core functions: CIP Security encryption, port isolation, support for 100/1000Base-T/SFP;

Parameters: Power supply 12-48V DC, working temperature -40~60 ℃, including alarm relay (30V DC/1A), suitable for industrial network security isolation requirements.

(3) Wireless device: Stratix 5100 wireless access point

Coverage scenario: Industrial wireless networking, supporting access point/bridge mode;

Key parameters: dual frequency (2.4GHz/5GHz), external antenna, power supply 48V DC (PoE), operating temperature -20~55 ℃, protection IP30, regional models (US/Canada/EU/China, etc., suitable for local frequency bands).

(4) Assistive technology category

Embedded Switching Technology (Ethernet Taps): including copper/fiber optic cables (1783-ETAP/ETAP1F), supporting 100Base-T/FX, operating temperature -25~70 ℃, used for network traffic monitoring;

Configurable NAT router (1783-NATR): 2-port Ethernet, powered by 20.4-27.6V DC, operating temperature -25~70 ℃, compatible with small network address translation;

CIP Security Proxy (1783-CSP): Supports CIP protocol encryption (integrity+confidentiality), with a maximum packet rate of 10000 pps (I/O) and a working temperature of -25~70 ℃, enhancing industrial control network security.

Common technical requirements and environmental adaptability

1. General parameters

Power supply commonality: Most support 12-48V DC (SELV level), some include AC power supply (100-240V AC);

Protection level: Conventional equipment IP20/IP30, reinforced version (ArmorStratix 5700) IP66/IP67;

Electromagnetic compatibility (EMC): compliant with IEC 61000-6-2/-4, resistant to ESD (contact 6kV/air 8kV), and resistant to radiated interference (10V/m, 80-2000MHz).

2. Environmental adaptability (industrial standard)

Temperature: Most models support -40~60 ℃ (wide temperature range), while some basic models support 0~60 ℃;

Humidity: 5%~95% non condensing;

Mechanical resistance: vibration 2g (10-500Hz), impact 15g (working)/30g (non working), in compliance with IEC 60068 series standards.

Supporting accessories and compatibility

1. Core attachments

SFP module: covering 100Base FX/LX (multimode 2km/single-mode 20km), 1000Base SX/LX (multimode 550m/single-mode 10km), 10GBase SR/LR (multimode 400m/single-mode 10km), partially supporting digital optical monitoring (DOM);

Cable: Industrial grade Ethernet jumpers (CAT5e/CAT6, RJ45/M12 interfaces, shielded/unshielded), cable reels (100-600m);

Storage media: Industrial SD card (1784-SD1/SDHC8), CompactFlash card (1783-MCF/RMFC), compatible with device configuration storage.

2. Compatibility rules

SFP compatibility: GE SFP is only compatible with GE slots (e.g. Stratix 2000 GE slots only support 1783-SFP1GSX/GLX);

Firmware requirements: Some modules require specific firmware versions (e.g. 1783-SFP100T requires Stratix 5400 firmware 3.001+);

Expansion module adaptation: Stratix 5800/8000 only supports expansion modules of the same series (such as 5800 adapted to 1783-MMX16T).

Certification

Core certification (common across the entire series)

Security certification: c-UL-us(UL 61010-1)、CE(EMC/RoHS)、ATEX(II 3 G Ex nA IIC T4 Gc)、IECEx( Same as ATEX level);

Industrial protocol certification: ODVA EtherNet/IP compliant, partially compliant with IEEE 1613 (substations) and IEC 61850-3 (power automation).

Key selection suggestions

Adverse environment (dust/humidity): ArmorStratix 5700 (IP67) or Stratix 5410 (conformal coating) is preferred;

PoE demand scenarios: Stratix 5410 (dual power 185W budget), 5800 (360W total budget), compatible with cameras and sensor power supply;

Remote networking: Stratix 4300 (4G+Wi Fi) is suitable for industrial sites without wired coverage;

Security isolation: Stratix 5950 (CIP Security) and 1783-CSP (Protocol Encryption) are adapted to control networks that require tamper proof measures.

A-B Ultra3000 and Ultra5000 with DeviceNet

The Ultra3000 is an easy-to-use, high-performance, digital servo drive in a compact package.  

Reduced size, high performance and low cost make the Ultra3000 an attractive solution for a wide variety of applications.  

It is ideal for stepper, stand-alone indexing, or standard velocity or position control.  

With DeviceNet, users can dynamically adjust and change Ultra3000 commands from a PLC or Operator Interface.  

The Indexing option combined with DeviceNet allows the end user to perform complete motion profiles over DeviceNet.  

DeviceNet communication also provides Ultra3000 system diagnostics at the system controller.

The Ultra5000 is a complete single-axis motion control system that includes an intelligent motion controller and digital drive in an integrated package.

The Ultra5000 is tailored for high-speed motion processing, position capture, and advanced math capabilities to increase application performance. 

When communicating over the DeviceNet network, the Ultra5000 user program can dynamically adjust to changing commands and parameters from a supervisory PLC or Operator Interface. 

Multiple Ultra5000 Drives can be networked with a single PanelView Operator Interface for a cost-effective application solution.

The Ultra5000 satisfies the most challenging motion control tasks, including feed-to-length, flying shear, high-speed packaging, labeling and stamping applications.

DeviceNet Features and Benefits

• single DeviceNet connector eliminates control to drive wiring and

reduces installation cost

• remote parameter download and configuration of drive

• status LEDs for easy local assessment of module and network status

Product Features and Benefits

• rotary selector switches for setting address and communication rate

• plugable terminal block connectors (catalog number 1787-PLUG10R)

• minimal wiring, resulting in reduced start-up time

• inter-operability with other manufacturers’ components

• rapid troubleshooting and equipment repair

• modification of individual device parameters using the network

• UCMM for remote parameter configuration

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Precautions

Safety specifications are generally applicable to control system handling. Instructions and warnings related to a specific subject or operation of the product.

The following norms must be strictly observed:

  must strictly comply with the technical specifications and typical applications of the product system

  Personnel training: Only trained personnel shall install, operate, maintain or repair the product system. must

Provide guidance and explanation of the situation in danger areas to these personnel.

  Unauthorized changes: Changes or structural changes to the product system may not be made.

  Maintenance responsibility: Must ensure that the product system is used only under appropriate conditions and in full fitness for use.

 Working environment: The user must meet the specified environmental conditions:

Safety regulation

The following safety provisions of EN 50110-1 shall be fully complied with when handling product systems (maintenance) :

1 Disconnect completely.

2 Secure to prevent reconnection.

3 Verify that the installation is complete.

4 Ground and short-circuit the device.

Warning: Only qualified maintenance personnel can remove and insert the module. In order to ensure the personal safety of the operator, before each pulling out or inserting, you must

Disconnect the power supply and ensure that there is no voltage on all terminals at the back, and the product is effectively grounded with the ground screw at the back.

Installation precautions

First, the importance of industrial equipment installation

In modern industrial production, various equipment and machines are widely used in various fields, such as manufacturing, energy industry, chemical industry and so on. The installation of industrial equipment is directly related to production efficiency and product quality. Proper installation and commissioning of good equipment can ensure the stable operation of the production line, improve production efficiency and product quality, reduce maintenance costs, and ensure the safety of employees.

Second, the steps of industrial equipment installation

1. Preparation: Before the installation of industrial equipment, it is necessary to carry out adequate preparation work. This includes the tools and equipment required for installation, cleaning and preparation of the installation site, and making installation plans and schedules.

2. Determine the installation position: Determine the installation position of the equipment according to the requirements of the equipment and the layout of the production line. When determining the location, the weight and size of the equipment need to be considered, as well as the coordination of the equipment with the surrounding environment.

3. Install the device: Assemble and install the device according to the installation instructions. Ensure that the device is securely and accurately connected, while protecting the appearance and internal components of the device.

4. Connect power supplies and pipelines: For devices that require power supplies and power supplies, properly connect power supplies and pipelines. The connection of power supply and pipeline should comply with safety standards to avoid hazards such as electric shock and leakage.

5. Commissioning the device: After the installation is complete, you need to commission the device to ensure that the device can run properly. It includes checking the functions and performance of the equipment, adjusting the parameters and Settings of the equipment, and carrying out the necessary tests and inspections.

6. Training operators: After the installation of the equipment, it is necessary to train the operators to understand the operation methods and precautions of the equipment, and improve the operation skills and safety awareness of the employees.

Third, industrial equipment installation precautions

1. Safety first: When installing industrial equipment, safety is the most important consideration. You must operate in strict accordance with safety regulations and wear necessary protective equipment to ensure the safety of the workplace.

2. Strictly follow the equipment instructions: Industrial equipment usually comes with detailed installation instructions, you must carefully read and understand the contents of the instructions, and install the operation in accordance with the requirements of the instructions.

3. Pay attention to the assembly sequence: When installing the device, follow the correct assembly sequence to ensure that all components of the device are assembled correctly to avoid equipment failures or safety accidents caused by incorrect assembly sequence.

Applicable Industries

petroleum

Natural gas

chemical industry

cement

metallurgy

ship

mining industry

aviation

transport

Alcoa

machinery

manufacturing

car

ABB INNIS21 Network Interface Slave module

Basic product information

Specific content of information category

Product ID INNIS21

ABB Model Identification INNIS21

Product catalog description Network Interface Slave module

Product type: Communication-Module

Order and customs related information

HS code: 851762, corresponding to the product category of “telephone (including telephone for cellular or other wireless networks); other devices used for transmitting or receiving voice, image or other data (including wired or wireless networks such as local area networks, wide area network communication devices), but excluding transmission or reception devices of items 84.43, 85.25, 85.27 or 85.28; other devices used for transmitting or receiving voice, image or other data (including wired or wireless networks such as local area networks, wide area network communication devices): machines for receiving, converting and transmitting or reproducing voice, image or other data (including switching and routing devices)”

Customs tariff code: 85176200

Size and weight

Specific numerical values for specification items

Product net depth/length 73.66 millimeters (mm)

Product net height 358.14 millimeters (mm)

Product net width 271.78 millimeters (mm)

Net weight of product 0 kilograms (kg)

Environment and classification related

WEEE category: 5 categories (small equipment, no external dimensions exceeding 50 centimeters)

Product classification path: Control Systems → Symphony Plus → Controllers → HR series (Harmony Rack) Hardware → SPNIS21

Precautions

Safety specifications are generally applicable to control system handling. Instructions and warnings related to a specific subject or operation of the product.

The following norms must be strictly observed:

  must strictly comply with the technical specifications and typical applications of the product system

  Personnel training: Only trained personnel shall install, operate, maintain or repair the product system. must

Provide guidance and explanation of the situation in danger areas to these personnel.

  Unauthorized changes: Changes or structural changes to the product system may not be made.

  Maintenance responsibility: Must ensure that the product system is used only under appropriate conditions and in full fitness for use.

 Working environment: The user must meet the specified environmental conditions:

Safety regulation

The following safety provisions of EN 50110-1 shall be fully complied with when handling product systems (maintenance) :

1 Disconnect completely.

2 Secure to prevent reconnection.

3 Verify that the installation is complete.

4 Ground and short-circuit the device.

Warning: Only qualified maintenance personnel can remove and insert the module. In order to ensure the personal safety of the operator, before each pulling out or inserting, you must

Disconnect the power supply and ensure that there is no voltage on all terminals at the back, and the product is effectively grounded with the ground screw at the back.

Installation precautions

First, the importance of industrial equipment installation

In modern industrial production, various equipment and machines are widely used in various fields, such as manufacturing, energy industry, chemical industry and so on. The installation of industrial equipment is directly related to production efficiency and product quality. Proper installation and commissioning of good equipment can ensure the stable operation of the production line, improve production efficiency and product quality, reduce maintenance costs, and ensure the safety of employees.

Second, the steps of industrial equipment installation

1. Preparation: Before the installation of industrial equipment, it is necessary to carry out adequate preparation work. This includes the tools and equipment required for installation, cleaning and preparation of the installation site, and making installation plans and schedules.

2. Determine the installation position: Determine the installation position of the equipment according to the requirements of the equipment and the layout of the production line. When determining the location, the weight and size of the equipment need to be considered, as well as the coordination of the equipment with the surrounding environment.

3. Install the device: Assemble and install the device according to the installation instructions. Ensure that the device is securely and accurately connected, while protecting the appearance and internal components of the device.

4. Connect power supplies and pipelines: For devices that require power supplies and power supplies, properly connect power supplies and pipelines. The connection of power supply and pipeline should comply with safety standards to avoid hazards such as electric shock and leakage.

5. Commissioning the device: After the installation is complete, you need to commission the device to ensure that the device can run properly. It includes checking the functions and performance of the equipment, adjusting the parameters and Settings of the equipment, and carrying out the necessary tests and inspections.

6. Training operators: After the installation of the equipment, it is necessary to train the operators to understand the operation methods and precautions of the equipment, and improve the operation skills and safety awareness of the employees.

Third, industrial equipment installation precautions

1. Safety first: When installing industrial equipment, safety is the most important consideration. You must operate in strict accordance with safety regulations and wear necessary protective equipment to ensure the safety of the workplace.

2. Strictly follow the equipment instructions: Industrial equipment usually comes with detailed installation instructions, you must carefully read and understand the contents of the instructions, and install the operation in accordance with the requirements of the instructions.

3. Pay attention to the assembly sequence: When installing the device, follow the correct assembly sequence to ensure that all components of the device are assembled correctly to avoid equipment failures or safety accidents caused by incorrect assembly sequence.

DEIF RMV-111D undervoltage and overvoltage relay

Product core positioning

RMV-111D is a combined undervoltage and overvoltage relay in the “uni line” series of DEIF company, mainly used for the protection and control of generators. Through three-phase voltage detection, it achieves dual protection of undervoltage (U<) and overvoltage (U>), and is equipped with functions such as timed tripping and fault status LED indication to ensure voltage stability of the power generation system.

Product identification and key information (label content)

The relay comes with a label that indicates the core parameters, which is a key basis for contacting the manufacturer and confirming the configuration, including:

Basic model: RMV-112D (e.g. example label: TYPE RMV-112D 121120).

Measurement and power supply parameters: measurement voltage (such as 230V/400V), voltage module specifications (such as MODULE 230V), auxiliary power supply voltage (such as 24VDC), wiring method (star “STAR” or triangle “DELTA”, example label includes “COUPLING DELTA”).

Special configurations: delay time, special calibration values, etc. (pre-set by DEIF).

Compliance and labeling: CE certification, installation category (such as CAT III), maximum voltage to ground, dealer number (to be filled in by the dealer).

Relay characteristics: Label the action mode of the relay (such as “RELAY NORM. ENERGY” normally energized type, “LATCH” latch function), the latch circuit needs to disconnect the power supply voltage and reset, even if the input returns to normal, the contacts will still remain in the alarm position.

Note: The relay is equipped with a 200ms power on/off protection circuit: the normally energized contact (NE) does not operate within 200ms after power on to ensure stable function; Monitor the voltage within 200ms after power failure to avoid misjudgment.

Installation instructions

1. Installation method and specifications

Installation type: Supports panel installation, can be fixed on a 35mm DIN rail, or directly installed with 2 4mm screws.

Weight: Approximately 0.650kg.

Spacing requirement: It can be installed in close proximity to other “uni line” series units, but the distance between the relay and other devices/relays must be ≥ 50mm.

Rail placement: If multiple relays are installed on the same DIN rail, the rail must be placed horizontally.

2. Wiring precautions

Wiring differences: It is necessary to distinguish between star (STAR) and delta (DELTA) wiring methods. The specific wiring method should be marked on the product label, and refer to the “Connection diagram” for operation.

Voltage protection: All voltage input terminals can be connected in series with 2A fuses to prevent overcurrent damage.

Static protection: The relay comes with ESD (electrostatic discharge) protection, and no additional anti-static measures are required during installation.

Startup and parameter settings

1. Core parameter setting and indication

Set key parameters through the front knob of the relay and provide feedback on the status with LED lights. The specific correspondence is as follows:

Range of parameter settings: LED/relay action feedback

When the input voltage is lower than the set value (U<) and the rated voltage (U ₙ) is 80%~100%, the corresponding yellow LED will light up (the contact is not activated at this time); After the delay is over, the contact will activate and the red LED will light up

When the input voltage is higher than the set value, the yellow LED of “U>” will light up (at this time, the contact is not activated) when the overvoltage setting value (U>) is 100%~120% of the rated voltage (U ₙ); After the delay is over, the contact will activate and the red LED will light up

After a delay of 0-10s, the relay contacts will activate and the red LED will light up

Hysteresis: 1%~10% of the rated voltage (U ₙ) of the hysteresis value is shared by undervoltage/overvoltage. When the fault voltage drops/rises to within the hysteresis value, the relay contacts reset

2. Set examples (to help understand)

Assuming rated voltage range (U ₙ): 95~105V

Undervoltage setting value: 90% of U ₙ (i.e. 90V)

Overvoltage setting value: 110% of U ₙ (i.e. 110V)

Return difference: 5% of U ₙ (i.e. 5V)

The relay is activated when the voltage is ≤ 90V (under voltage) or ≥ 110V (over voltage); When the voltage returns to the range of 95-105V, the contacts reset.

3. Accuracy Description

Front knob setting accuracy: usually ± 10% of the scale, corresponding to ± 2% of the rated voltage (U ₙ).

Higher precision requirement: It is necessary to adjust the equipment connected to the relay (such as the generator) until the target set value is reached.

Technical specifications

Category specific parameters

Frequency range 40~45~65~70Hz

Continuous maximum input voltage: 1.2 × U ₙ; 10s short-term maximum input: 2 × U ₙ

Load requirement of 2k Ω/V

Relay contact: 1 transfer switch for each relay; Rated values: AC 250V-8A-2000A, DC 24V-8A-2000W; Maximum voltage: AC 250V, DC 150V

Response time<100ms

Electrical isolation between input and output: 3250V (50Hz), lasting for 1 minute

Auxiliary power consumption 3.5VA (apparent power)/2W (active power)

SAUTER AVM 234S valve actuator (with positioner)

Core positioning and advantages of the product

AVM 234S is a valve actuator with SUT (SAUTER Universal Technology) locator launched by SAUTER. Its core advantages include automatic valve adaptation, precise driving, high energy efficiency, and low operating noise. It is mainly used to control specific series of valves, adapt to multiple control signal types, and meet the precision and stability requirements of valve regulation in industrial scenarios.

Core functions and features

Wide adaptability

It can drive two-way and three-way valves, covering VQD/BQD, VQE/BQE, VUG/BUG, VUS/BUS, VUP, V6R/B6R and other series.

Supports multiple controller output signals: continuous signal (0… 10 V or 4… 20 mA), switch signal (2-point or 3-point control).

Intelligent regulation and memory function

Equipped with a stepper motor and electronic control unit, it can achieve force controlled power-off to avoid overload damage.

Automatic detection of control signal type (continuous/on/off), displayed through 2 LED indicator lights; Automatic adaptation of valve stroke (minimum 8 mm, maximum 49 mm), measuring stroke without loss after power failure.

The flow characteristics (linear/quadratic/equal percentage) and operating time can be selected through coding switches, and the operating direction can be selected through wiring terminals.

Convenient operation and installation

Patent automatic connection system: After connecting the control voltage, the valve stem automatically connects and is easy to install; Equipped with an external manual adjustment crank, the motor is powered off when deployed, automatically returns to the target position after retraction, and can also trigger reinitialization.

Supports multiple installation methods (vertical to horizontal), provides multiple adapters, and can adapt to non SAUTER valves; There are 3 pre slotted cable entrances (2 M20 × 1.5, 1 M16 × 1.5) with a maximum wiring cross-sectional area of 2.5 mm ².

Durability and power supply

Maintenance free sintered steel gearbox, steel gearbox base plate, stainless steel mounting column, cast light alloy mounting bracket, with a two-part yellow structure, protection level IP66 (EN 60529), protection category III (IEC 60730).

Flexible power supply: 230 V (with module) or direct 24 V~/24 V=, 230 V can be continuously driven, power consumption varies under different power supplies (24 V~/24 V=10 W/20 VA); 230 V with accessories for 13 W/28 VA).

Key technical parameters

Category specific parameters

Power supply 24V~: ± 20%, 50… 60 Hz; 24V=± 15%; 230 V~(with accessories): ± 15%

Running performance and running time: 2/4/6 s/mm; Driving force: 2500 N; actuator stroke: 0… 49 mm; 3-point control response time: 200 ms

Signal specifications control signal 1: 0… 10 V, input resistance>100 k Ω; control signal 2: 4… 20 mA, input resistance 50 Ω; Position feedback signal: 0… 10 V, load>2.5 k Ω; starting voltage U0:0 or 10 V; control span Δ U: 10 V; Switching range Xsh: 300 mV

Permissible environmental temperature: -10… 55 ° C; Permissible environmental humidity:<95% RH (without condensation); Overvoltage category: III; Pollution level: III

Physical specification weight: 4.1 kg; compliant with EMC Directive 2014/30/EU (EN 61000-6-2, EN 61000-6-4) and Low Voltage Directive 2014/35/EU (EN 60730-1, EN 60730-2-14)

Product model and accessories

main models

AVM234SF132: Valve actuator with SUT locator.

AVM234SF132-5:24 V~Positioner actuator, suitable for V6 */B6 * valves with DN 15… 50.

Core accessories

|Accessory Type | Model and Function|

|Voltage divider unit | 0313529001: used for adjusting sequence, installed in an independent junction box, can add 2-point/3-point and continuous drive modules, with an additional power consumption of 2 VA|

|Power supply module | 0372332001:230 V ± 15% power supply; 0372332002:100 V ± 15% power supply|

|Auxiliary conversion contact | 0372333001: infinitely adjustable, minimum 100 mA, 12 V, allowable load 6 (2) A; 0372333002: Gold plated contacts, starting from 1 mA, maximum 30 V, load 3 (1) A|

|Potentiometer | 0372334001 (2000 Ω, 1 W, 24 V), 0372334002 (130 Ω, 1 W, 24 V), 037233406 (1000 Ω, 1 W, 24 V), of which 130 Ω is only used as a voltage divider|

|High temperature adapter | 0372336180: suitable for medium temperatures of 130… 180 ° C; 0372336240: suitable for medium temperatures of 180… 200 ° C|

|Installation and Conversion Kit | 0372338001 (compatible with V/B6 DN 15… 50, V/BXD/V/BXE DN 15… 50, stroke 14 mm), 0372338002 (compatible with V/B6 DN 65… 150, V/BXD/V/BXE DN 65+, stroke 40 mm, no additional adapter required), 0372338003/0372338004 (convert AV24SF132-5/-6 to standard actuator respectively)|

|Non SAUTER Valve Adapter | Compatible with Siemens (0372376010/0372376014), Johnson Controls (0372377001), Honeywell (0372378001/0372378002), ITT Dr ä ger (0372389001/0372389002), Frese (0510390052/0510390053) and other brand valves|

|Other accessories | 0372387001 (SAUTER Satchwell VZF1727 installation kit), 0386263001/0386263002 (M16 × 1.5/M20 × 1.5 cable thread connector), 0372461001 (AV × 2 × 4S mandatory operation accessory)|

Working principle and operating instructions

Work mode selection

Continuous drive: Connect 0… 10 V/4… 20 mA signals, set the running time through S1/S2, set the flow characteristics through S3/S4, automatically initialize (connect the valve stem to the lower limit of the valve before detecting and saving the stroke at the upper limit), feedback signal corresponds to the effective stroke (0… 10 V corresponds to 0… 100% stroke), no need to reinitialize after power failure.

2-point control (OPEN/CLOSE): Connected by 2 wires at 24 V, terminal 1+2a is powered on, terminal 2b is powered on at 24 V, and the valve stem extends. After power-off, it returns to the opposite terminal position, without feature selection. Terminal 3i/3u/44 is not wired.

3-point control (OPEN/STOP/CLOSE): At 24 V, terminals 2a/2b can be moved to any position when powered on, 1+2b can extend the valve stem when powered on, 1+2a can retract when powered on, and the wiring can be changed to change the direction of travel without feature selection. Terminals 3i/3u/44 are not wired.

230 V/100… 110 V drive: accessory 0372332 is required. The locator works according to the controller output signal. When both 3u (voltage) and 3i (current) signals are present, high values take priority; There are two operating directions (when the signal increases, the 2a power supply valve stem extends and the 2b power supply valve stem retracts), and a partial range can be set for the boost unit.

Initialization and fault handling

Reinitialize: When powered on and there is a continuous signal from 3u/3i, the crankshaft will be unfolded and retracted twice within 4 seconds, the LED will flash red, and the feedback signal during initialization will be 0. The process will be executed with the shortest running time, and the unfolding of the crankshaft can be interrupted. It will take effect after completion.

Jam handling: Upon detecting a jam, attempt to overcome it within 90 seconds. If unsuccessful, set the feedback signal to 0 V. Once overcome, restore normal control.

Meaning of LED indicator light

|LED Status | Meaning|

|Two lights flashing red | Initialization in progress|

|The red light on the upper light is always on | reaching the upper limit or “off” position|

|The red light under the lamp is always on | reaching the lower limit or “open” position|

|The green light on the upper light is flashing | The actuator is running and moving towards the “off” position|

|The green light on the upper light is always on | The actuator stops, and the last running direction was “off”|

|The green light under the lamp is flashing | The actuator is running and moving towards the “open” position|

|The green light under the lamp is always on | The actuator stops, and the last running direction was “open”|

|No light on | No power supply (terminals 2a/2b have no power)|

|Two lights flashing alternately in red and green | The actuator is in manual mode|

Installation and usage precautions

Installation requirements

Prevent condensation and dripping water from entering the actuator along the valve stem; The valve is directly screwed onto the actuator without additional adjustment, and the actuator stem is in the middle position when it leaves the factory.

Outdoor installation requires additional wind and rain protection; Multiple actuators of the same type can be connected in parallel, and the cross-sectional area of the power cord needs to be selected according to the length and quantity of the cable (such as 5 parallel actuators, 50 m cable, recommended 1.5 mm ²).

The actuator can accommodate up to one 230 V module, one auxiliary accessory (auxiliary contact/potentiometer), and one voltage divider unit.

Temperature related requirements

When the temperature of the valve medium is ≤ 110 ° C, the maximum ambient temperature is 60 ° C; when the temperature of the medium is>110 ° C, the maximum ambient temperature is 55 ° C, otherwise a high-temperature adapter (0372336180) needs to be installed.

Corresponding high-temperature adapters are required for medium temperatures of 180 ° C and above, and the actuator column and valve stem may become hot with the increase of medium temperature, requiring attention to protection.

Compliance and Security

Only for the manufacturer’s designated use, modification is prohibited, and relevant product specifications must be followed; If the control unit malfunctions and may cause damage, additional protective measures need to be taken.

Attention should be paid to the rated parameters when using auxiliary contacts. For example, if the gold-plated contact 0372333002 is used once below 10 mA or above 50 V, the gold plating will fail and can only be used in higher rated scenarios.

Disposal

Compliance with current local laws and regulations is required, and material related information can be found in the product’s “Material and Environmental Statement”.

Size specifications

Actuator size (unit: mm)

|Model | a | b | c|

| AVM 234S F132 | 64 | 289 | 44 |

| AVM 234S F132-5 | 58 | 289 | 38 |

| AVM 234S F132-6 | 78 | 382 | 60 |

High temperature adapter size (unit: mm)

|Adapter model | Applicable temperature (° C) | a | b|

| 0372336180 | 180 | 69.4 | 60 |

| 0372336240 | 240 | 109.4 | 100 |

REXRTOH INDRAMAT TVD 1.3 power module

Product positioning: TVD 1.3 is the power module of INDRAMAT modular AC drive system, which is directly connected to the three-phase 380-480V power grid, rectifies the AC power into a stable DC bus voltage (320V DC), supplies power to the drive module, and processes the regenerated electrical energy of the motor to provide control voltage for electronic components.

Core specifications and functional features of the product

1. Key electrical parameters

TVD 1.3 offers two power specifications (7.5kW and 15kW continuous DC bus power), with the core parameters compared as follows:

Parameter category TVD 1.3-08-3 (7.5kW) TVD 1.3-15-3 (15kW) Unit

Input specifications 3 × AC 380-480V (± 10%), 50-60Hz with the same left V/Hz

DC bus voltage of 320 (± 5%) is the same as the left V DC

Continuous DC bus power 7.5 15 kW

Short time DC bus power (3s, spindle drive acceleration) 15 30 kW

Peak DC bus power (0.3s, feed drive acceleration) 22.5 45 kW

Discharge resistor continuous power 0.5 1 kW

Peak power of discharge resistor 20 40 kW

Maximum regenerative energy 30 60 kW · s

Control voltage output+24V (4.9A), ± 15V (+15V: 2.5-5.1A; -15V: maximum 2A, total ≤ 4A) same as left V/A

Working temperature range: 0-45 ℃ (rated data), -25-55 ℃ (storage and transportation), same as left ℃

Protection level IP 10 (compliant with DIN 40050) same as left-

Weight 10.5 11.2 kg

2. Core functional features

Rectification and voltage stabilization: Rectify three-phase AC power into 320V DC stable DC bus voltage, which can maintain driving dynamic performance even if the grid voltage fluctuates.

Regenerated electrical energy processing: When the motor is in power generation mode, the regenerated electrical energy is converted into thermal energy through internal discharge resistors; External auxiliary release module (TBM 1.2) can be used to enhance processing capacity.

Built in protection mechanism:

Overcurrent protection: When the DC bus is short circuited or overloaded, quickly cut off the output;

Overvoltage protection: When the DC bus voltage exceeds the limit, it triggers a shutdown;

Over temperature protection: When the temperature of the heat sink is too high, a warning should be given first (power off after 30 seconds) to avoid module damage;

Short circuit protection: When the output circuit is short circuited, the internal circuit automatically cuts off the faulty channel without affecting other channels.

Power supply for electronic components: Provide+24V (load voltage) and ± 15V (measurement voltage) for all connected drive modules. In case of power failure, temporary power supply is provided by the DC bus to ensure the functionality of the driving electronic components.

Flexible control and redundancy: supports dynamic braking of DC bus (synchronous motor with short-circuit bus braking in case of fault), and can be configured with external jumper to drive the braking mode after power failure; Support redundant configuration to enhance system reliability.

Electrical Connection and Installation Specification

1. Core connection configuration

TVD 1.3 needs to be used in conjunction with supporting components, and there are two main connection methods:

Compact configuration (including NAM 1.3 module): NAM 1.3 is an integrated power connection module with built-in commutation choke, buffer capacitor, and DC bus smoothing choke to reduce wiring workload. It is compatible with TVD 1.3-08 (with NAM 1.3-08) and TVD 1.3-15 (with NAM 1.3-15).

Distributed configuration (independent components): It is necessary to separately connect the commutation choke (KD 26/23), buffer capacitor (CZ 1.2-01-7), and smoothing choke (GLD 16/17), which are suitable for space limited or special working condition scenarios.

2. Key wiring requirements

Main power supply wiring: three-phase 380-480V connected to terminal X7 (1U1/1V1/1W1), with a wire cross-sectional area of ≥ 10mm ² (copper core, rated at 75 ℃), requiring gL type fuses (maximum 35A) or circuit breakers (15A/30A, corresponding to 7.5kW/15kW).

DC bus wiring: Connect the drive module through a bus bar, with a wire cross-sectional area of ≥ 4mm ² (7.5kW) or 10mm ² (15kW), and a maximum wiring distance of 1 meter. Twisted pair cables are required to reduce interference if exceeded.

Control signal wiring: 16 pin bus cable (X1 terminal) is used for communication and power supply of the drive module, and a terminal plug is required to start the high-voltage part; The control terminals (X2/X3/X4/X5) are used for brake control, fault signal output, etc., with a wire cross-sectional area of ≤ 2.5mm ².

3. Installation requirements

Cabinet installation: The module protection level is IP 10 and needs to be installed in a closed cabinet with a temperature of ≤ 45 ℃ and humidity of ≤ 95% (no condensation);

Heat dissipation space: At least 80mm of ventilation space should be reserved above and below the module, and flammable materials (such as cables) should not be placed within 300mm around the discharge resistor;

Grounding specification: It is necessary to connect the cabinet PE guide rail, and the cross-sectional area of the grounding wire should be ≥ 10mm ² (copper core), ensuring that the grounding resistance is ≤ 4 Ω;

Altitude adaptation: When the altitude exceeds 1000 meters, the power usage should be reduced according to the derating curve (such as reducing the power to 80% at 2000 meters).

Troubleshooting and Maintenance

1. Fault diagnosis and localization

The front panel of the module is equipped with LED diagnostic lights, which indicate the type of fault through different colors (green/red/flashing). The core faults and troubleshooting methods are as follows:

Fault type LED indication Possible causes Troubleshooting methods

Control voltage fault (+24V/± 15V)+24V/± 15V, red light, electronic power supply loss, load exceeding upper limit, check main fuse, disconnect bus to detect voltage, reduce load

Drive or power failure Bb1 red light drive module failure, loose bus connection check drive diagnosis, re plug and unplug bus cable, confirm terminal plug installation

Overcurrent fault I-FAULT light red DC bus short circuit, motor cable damage, disconnection of drive connection, detection of bus insulation, replacement of damaged cable or drive

Release overload P-FAULT light red regeneration energy over release capability, increase auxiliary release module (TBM), reduce driving and braking frequency

Overheating fault T-FAULT light red, poor heat dissipation, high ambient temperature. Clean the heat dissipation channel, improve cabinet ventilation, and reduce module load

Overvoltage fault U-FAULT light red grid voltage too high, rectifier circuit fault check grid voltage (≤ 480V ± 10%), replace module

2. Maintenance and replacement standards

Regular maintenance: Check the tightness of the wiring terminals and the cleanliness of the heat sink every 6 months, and measure the insulation resistance (≥ 10M Ω) annually;

Module replacement: After power off, wait for 5 minutes (capacitor discharge), confirm that there is no voltage, remove the wiring, replace with a module of the same model (matching power and version), and test the bus communication and voltage output after rewiring.

Selection and ordering information

1. Core component model

Component category, model, and specification description

Power module TVD 1.3-08-3 7.5kW continuous DC bus power, 320V DC output

TVD 1.3-15-3 15kW continuous DC bus power, 320V DC output

Integrated connection module NAM 1.3-08 compatible with TVD 1.3-08, including commutation choke/buffer capacitor

NAM 1.3-15 is compatible with TVD 1.3-15, including commutation choke/buffer capacitor

Auxiliary release module TBM 1.2-040-W1 enhances release capacity (1.5kW continuous/60kW peak)

Independent component KD 26/23 commutation choke (15A/30A)

CZ 1.2-01-7 Buffer Capacitor (1mF/700V)

GLD 16/17 DC bus flat wave choke coil (25A/50A)

2. Ordering precautions

The power module should be selected based on the total power of the drive (continuous power should cover the sum of the rated power of all drives);

If the drive frequently starts, stops, or brakes, an additional auxiliary release module (TBM) or DC bus capacitor needs to be configured;

High altitude (>1000 meters) or high temperature (>40 ℃) environments require the selection of downgraded models or strengthened heat dissipation measures.

Safety and Compliance Instructions

Hazardous Area Use: Only applicable to Class I, Zone 2 hazardous environments (non flammable areas), prohibited for use in explosive environments;

Voltage safety: There is a maximum of 450V DC high voltage inside the module. After power failure, it is necessary to wait for 5 minutes for discharge, and only certified electricians are allowed to operate;

Compliance standards: comply with UL standards, DIN 40050 (protection level), EN 60204 (electrical installation) and other specifications, and confirm the compatibility with local electrical regulations before use.

Honeywell Expert Series-C I/O Module

Basic Information

Document ID: EP03-490-520, Release 520, Version 1.5

Scope of application: Expert Series-C I/O modules and C300 controllers, supported since the Expert R300 version

Core component definition:

IOTA (Input Output Termination Assembly): A component that integrates I/O module fixation and on-site wiring functions. The module is directly plugged into IOTA without the need for an additional chassis

IOM (Input Output Module): A module equipped with core electronic components to achieve specific I/O functions and obtain power from IOTA

Core functions and design highlights

1. Universal design advantages

Compact integrated architecture: IOM and field terminals are integrated into IOTA, eliminating the need for independent electronic component chassis, significantly reducing device size, and improving cabinet space utilization

Convenient wiring and maintenance: using two-level “separable” terminals, convenient for on-site wiring installation and later maintenance; Supports up to 12AWG (2.5mm ²) multi strand wire access

Simplified power supply and redundancy: The on-site power supply is provided through IOTA, eliminating the need for additional power and manual wiring; Redundant configuration only requires adding a second IOM on IOTA, without the need for external cables or control devices

Efficient heat dissipation and layout:

Vertical installation design: Suitable for scenarios where on-site wiring is connected from the top/bottom of the cabinet

Tilted structure: optimizes air circulation inside the cabinet, improves heat dissipation efficiency, and adapts to high-density installation requirements

Information Ring “Identification: Quickly guide maintenance personnel to view equipment status information

Built in protection mechanism: Input/output circuits have short-circuit protection, no need to connect fuses in series, reducing installation and maintenance costs

2. IOTA multifunctional integration

IOTA serves as the core carrier, integrating multiple functions and reducing external component dependencies

Support switching between single module and redundant module configurations

Built in process signal termination and signal conditioning functions

Directly connect to networks such as FTE, I/O LINK, etc

Realize on-site power distribution without the need for external wiring grouping

Provide stable power supply for the inserted IOM

Module Classification and Key Specifications

The Series-C I/O module covers 8 major categories of signal processing requirements, with different modules focusing on parameters such as channel quantity, input/output range, and accuracy. The core classifications and representative module specifications are as follows:

1. Analog input module (AI)

Mainly used to receive current/voltage signals from transmitters or sensors, with some supporting the HART protocol for device configuration and status monitoring.

Module model, core function, channel number, input type/range, key characteristics

CC-PAIH01/02 with HART protocol 16 current (4-20mA), voltage (0-5V/1-5V/0.4-2V) 12 single ended+4 differential channels, supports open circuit detection, Class 1 Div 2 non flammable power supply

CC-PAIH51 with HART protocol 16 current only (4-20mA, 200 Ω load) full single ended channel, no voltage/differential input, supports HART device configuration

CC-PAIX01/02 does not have HART protocol. The current (4-20mA) and voltage (0-5V/1-5V/0.4-2V) are consistent with the parameters of CC-PAIH01/02 and do not have HART function

CC-PAIN01 without HART protocol 16 only current (4-20mA, 200 Ω load) full single ended channel, non flammable power supply, suitable for basic current signal acquisition

2. Temperature input module

Specially designed for thermocouples (TC) and thermistors (RTD), supporting low-temperature drift and high-precision temperature measurement.

Module model, core function, number of channels, support for sensor types, key characteristics

CC-PAIM01 (LLMUX) temperature multiplexing 64 (16 channels/FTU) TC (J/K/E/T/B/S/R, etc.), RTD (Pt100/Ni120/Cu10) need to be matched with PMIO FTA, support remote cold end compensation, 1-second scanning cycle

CC-PAIL51 low-level temperature input 16 TC/RTD (configurable per channel) directly integrated into Series-C IOTA, no external FTA required, operating temperature from -40 to+70 ℃

3. Pulse Input Module (PI)

Used for processing pulse generation equipment signals, suitable for measurement and trade handover scenarios, supporting high-precision frequency and cycle measurements.

Module model CC-PPIX01

Number of channels: 8 single channels/4 dual channels (can be mixed configuration)

Frequency range: Single channel 0-100kHz, dual channel 0-10kHz

Accuracy within the range of 0.5Hz-100kHz, ± 0.001% reading error

Key features support MeterSuite trade handover application, compliant with ISO 6551 standard, with “quick cut-off” function (1ms delay)

4. Analog Output Module (AO)

Output stable current signals to actuators and recorders, with partial support for HART protocol and configurable fault safety status.

Module model, core function, channel number, output range, key characteristics

CC-PAOH01/51 with HART protocol 16 4-20mA support FAILOPT (maintain last value/switch to safe value), open circuit detection, accuracy ± 0.35% of full range at 25 ℃

CC-PAOX01/PAON01 without HART protocol 16 4-20mA and with HART module parameters consistent, without HART communication function, maximum load 800 Ω (24V power supply)

5. Digital Input Module (DI)

Receive discrete voltage signals, adapt to different voltage levels, and partially support sequence of events (SOE) recording.

Module model, voltage level, channel number, key characteristics

CC-PDIL01/51 24VDC 32 CC-PDIL01 supports open circuit detection and isolation voltage of 1500VAC; CC-PDIL51 has no open circuit detection and is isolated from 1000VAC

CC-PBIS01 24VDC 32 supports SOE (1ms resolution), three scanning modes (normal 20ms/fast 5ms/SOE mode)

CC-PDIH01 high voltage (110VAC/220VAC/125VDC) 32 is compatible with different high voltage signals, and can switch voltage types by replacing IOTA, reducing the variety of spare parts

6. Digital Output Module (DO)

Output discrete signals to control external devices (such as solenoid valves, intermediate relays), with short-circuit protection and fault safety configuration.

Module model, output type, number of channels, key characteristics

CC-PDOB01 24VDC bus type (source output) 32 no fuse short circuit protection, supports FAILOPT, maximum 0.5A per channel, maximum 6A per module

CC-PDOB01 (relay IOTA) dry contact (NO/NC configurable) 32 with CC-TDOR01/11 IOTA, maximum contact 250VAC/125VDC, mechanical life 5 million times

CC-PDOD51 24VDC current output with 32 coating protection, maximum 0.1A per channel, isolation voltage 1000VAC

7. Universal Input/Output Module (UIO)

Single module supports multiple types of signal configurations, with high flexibility and adaptability to complex mixed signal scenarios.

Module model, channel number, configurable type, key characteristics

CC-PUIO01 32 AI/AO/DI/DO/pulse input (15-18 channels) supports HART 7, -40 to+70 ℃ working temperature, electronic short circuit protection

CC-PUIO31 32 AI/AO/DI/DO/SOE/pulse input (any 4-channel) HART channel independent modem, SOE 1ms resolution, pulse frequency 0-15kHz

IOTA size and compatibility configuration

The size of IOTA varies with module type (analog/digital) and redundancy requirements. Non redundant configurations have smaller sizes, while redundant configurations require longer IOTA. The specific adaptation relationship is as follows (excerpt from core combinations):

IOM type non redundant IOTA model non redundant size (inches) redundant IOTA model redundant size (inches) number of channels

Analog Input (AI) CC-TAIX01 6 CC-TAIX11 12 16

Temperature input (LLMUX) CC-TAIM01 6-64 (FTA required)

Pulse Input (PI) – CC-TPIX11 12 8

Analog Output (AO) CC-TAOX01 6 CC-TAOX11 12 16

Digital input (24VDC) CC-TDIL01 9 CC-TDIL11 12 32

Universal Input Output (UIO) CC-TUIO31 9 CC-TUIO41 12 32

Installation and safety regulations

1. Installation requirements

Module positioning: IOM needs to be plugged into the corresponding IOTA, which is fixed to the 24VDC bus power supply rail of the cabinet with screws

Wiring specifications:

Wire specifications: It is recommended to use copper wire with a rated temperature of 75 ℃, and a single terminal can support 2 wires of the same specification or 1 maximum 12AWG wire

Stripping length: Unified at 0.25 inches (7mm), excessive length may result in exposed wires and pose a risk of electric shock

Noise protection: Ensure that the module installation screws are tightened and grounded according to specifications; The noise reduction gasket on the right side of the module (both sides of the power module) should be in contact with adjacent modules/cabinets to avoid electromagnetic noise interference

2. Installation requirements for hazardous areas

For Class I Zone 2 hazardous environments, the following regulations must be followed:

Only applicable to Class I Zone 2 A/B/C/D hazardous areas or non hazardous areas, and cannot be used for other hazardous level scenarios

It is prohibited to replace module components, otherwise it may damage the explosion-proof applicability

Before power outage or confirming the safety of the area, it is forbidden to disconnect the equipment connection to avoid the risk of explosion

Ordering Information (Core Components)

In addition to the IOM module, matching IOTA and fan components need to be selected based on the number of cabinet slots and power supply type. Some key models are as follows:

Product Description Model

16 channel with HART analog input module CC-PAIH01

32 channel 24VDC digital input module CC-PDIL01

32 channel 24VDC bus type digital output module CC-PDOB01

32 channel universal input/output module CC-PUIO31

17 slot cabinet 120VAC fan component IC697ACC721

17 slot cabinet 24VDC fan component IC697ACC744

9-slot cabinet 240VAC fan component IC697ACC624

Supplementary explanation

Environmental specifications: The temperature and humidity tolerance, vibration and impact and other environmental parameters of the module should refer to the “Series-C Platform Specifications” and technical document EP03-520-xxx

Compliance certification: FCC, EU directives and other compliance information, please refer to Appendix A of the “Expert RX7i Installation Manual” (GFK-2223)

Maintenance suggestion: Regularly check the tightness of IOTA terminal wiring, module temperature, and LED status. In case of faults, prioritize using the “information ring” and LED to determine the type of problem (such as open circuit, short circuit, overheating)

​GE PACSystems RX7i power module (IC698PSA100/350 series)

Comparison of module core specifications

Both modules are dedicated power supplies for slot 0 of the RX7i mainframe, providing three output voltages and logic level timing signals:+5VDC,+12VDC, and -12VDC. The core differences are concentrated in power, heat dissipation requirements, and current output capabilities. The specific parameters are shown in the table below:

Parameter IC698PSA100 IC698PSA350

Total output power 100W 350W

Cooling requirements: No forced air cooling is required in an environment of 0-60 ℃ (natural convection is sufficient). In an environment of 0-60 ℃, forced air cooling (70CFM air volume) is required for the bottom fan tray of the rack. If there is no forced air cooling, it should be operated according to the temperature derating curve

Output current+5VDC: maximum 20A;+12VDC: maximum 2A; -12VDC: maximum 1A+5VDC: maximum 60A;+12VDC: maximum 12A; -12VDC: maximum 4A

Input voltage range 85-264VAC (47-63Hz), 100-150VDC, same as IC698PSA100

Typical input power is 125W, maximum 150W, typical 437W, maximum 500W

Input surge current 115VAC cold start: maximum 15A; 230VAC cold start: maximum 30A, continuous 100ms 115VAC cold start: maximum 30A; 230VAC cold start: maximum 60A, continuous 100ms

Fuse specifications 4A/250V (5 × 20mm, B and subsequent versions) 8A/250V (5 × 20mm, B and subsequent versions)

Key functions and protection mechanisms

1. General functions

Wide voltage adaptation: Supports 85-264VAC AC input and 100-150VDC DC input, suitable for different power supply scenarios.

Power factor correction: When operating in AC mode, the power factor should be ≥ 0.99 (effective within the range of 90-260VAC) to improve the efficiency of energy utilization.

Continuous power supply during power outage: When the AC input is interrupted, the module can maintain the output power for one AC line cycle to avoid output interruption; The ACFAIL # signal will trigger at least 5ms before the output falls below the specification limit, providing a power outage warning to the system.

LED status indicator: The front panel is equipped with 3 LEDs, each displaying different statuses:

Field OK (green): It lights up when the AC power input is within the specification range;

OUTPUT OK (green): It lights up when all three DC output channels are working normally, and turns off when any channel fails;

OVER TEMP (red, IC698PSA350 only): Illuminates when the power supply temperature exceeds the critical value or when the airflow sensor detects a disconnection.

2. Protection mechanism

Overvoltage protection: When the voltage of any output channel exceeds 15% or more of the nominal value, all outputs will be locked and closed, and the power switch needs to be restarted or the AC input disconnected to restore.

Overcurrent/Short Circuit Protection: All three output channels have electronic current limiting function. When overloaded or short circuited, the voltage will drop (which may cause the voltage of other channels to drop synchronously). After the fault is removed, it will automatically recover (with reserved component cooling time).

Over temperature protection: Equipped with a built-in temperature sensor, the output channel is closed when overheating occurs, and the temperature automatically recovers when it drops to the normal range; The IC698PSA350 is additionally equipped with an airflow sensor that locks the output when a fan fault or airflow blockage is detected, and recovers after the temperature drops (the airflow sensor can be enabled/disabled through a jumper, default enabled, with 1-2 pins enabled and 2-3 pins disabled).

Input protection: Both the live and neutral wires of the AC input are equipped with replaceable fuses to prevent abnormal input from damaging the module.

Version iteration and compatibility

Functional compatibility: The E version (released in August 2010) is completely interchangeable with all older versions (A/B/C/D), with no differences in functionality or performance, only label updates.

Version critical update:

Version A (May 2003): Initial release version;

Version B (May 2004): No clear feature updates, please refer to GFK-2237B for details;

Version C (June 2005): Added over temperature detection function, please refer to GFK-2237C for details;

D version (August 2006): Complies with ATEX explosion-proof directive (Class II, Class 3 hazardous area), fixes occasional issues of CPU memory damage caused by power shutdown;

Version E (August 2010): Only updated tags, no functional changes.

Installation and safety regulations

1. Installation requirements

Installation position: Can only be installed in the leftmost slot (slot 0) of the RX7i standard rack;

Wiring specifications:

Input wiring: Use 75 ℃ – rated 16AWG (1.3mm ²) copper wire, and the terminal can be connected to 2 wires of the same type/specification. A single wire can support up to 12AWG, and the wire stripping length is 0.25 inches (7mm). If it is too long, the wire will be exposed and there is a risk of electric shock;

Grounding requirements: The power GND terminal needs to be connected to the rack GND terminal and ground with a 75 ℃ – rated 12AWG (3.3mm ²) copper wire. It is recommended to use a ring terminal and star washer to ensure reliable grounding, with a wiring torque of 12 inch pounds (1.3N · m);

Noise protection: Ensure that the power supply installation screws are tightened and grounded according to specifications; The RX7i power module has noise reduction pads on both sides, which need to be in contact with adjacent modules/racks. Modules without pads will increase the sensitivity of the system to electromagnetic noise.

2. Safety Warning

When the input power is turned on, there is a lethal voltage inside the module. It is forbidden to plug and unplug the module with power on, otherwise it may cause personal injury, module damage, or system loss of control;

When used in Class I Zone 2 hazardous environments, it is necessary to comply with: only applicable to Class I Zone 2 A/B/C/D hazardous areas or non hazardous areas; Prohibit replacing components (which may affect explosion-proof applicability); It is prohibited to disconnect equipment before power outage or confirming the safety of the area.

Order Information

In addition to the power module, the matching fan tray should be selected according to the rack specifications and power supply type. The specific models are as follows:

Product Description Product Model

RX7i 100W power module (85-264VAC/100-150VDC input) IC698PSA100

RX7i 350W power module (85-264VAC/100-150VDC input) IC698PSA350

17 slot rack 120VAC input fan component IC697ACC721

17 slot rack 240VAC input fan assembly IC697ACC724

17 slot rack 24VDC input fan component IC697ACC744

9-slot rack 120VAC input fan component IC697ACC621

9-slot rack 240VAC input fan assembly IC697ACC624

9-slot rack 24VDC input fan component IC697ACC644

Yokogawa AFV40S/AFV40D Field Control Unit (FCU)

Product positioning

Core role: AFV40S/AFV40D is the core component of the CENTUM VP Field Control Station (FCS), responsible for “field signal acquisition, control logic operation, equipment linkage control” functions, adapted to FIO (Field Input/Output) systems, supports remote I/O node expansion, and is widely used in process industries such as petrochemicals, power, and pharmaceuticals.

Differentiated design: AFV40S is a single configuration unit suitable for non safety critical scenarios; AFV40D is a dual redundant configuration (with redundant power supply, processor, and communication bus), suitable for critical control circuits that require extremely high reliability, such as reactor temperature control and emergency shutdown systems.

Core technical specifications

(1) General basic parameters

Power outage data protection

The main memory is equipped with battery backup, with a maximum power-off protection time of 72 hours and a battery charging time of at least 48 hours, ensuring that control programs and configuration parameters are not lost after power failure and do not need to be reloaded after re powering on.

READY contact output: 3 terminals (NC normally closed, NO normally open, C common terminal), switch contact state in case of FCU fault (such as NC opening and NO closing in case of fault), contact rated parameters: maximum 250V AC/30V DC voltage, 2A current, 125VA power, can be connected to external alarm or monitoring equipment.

communication interface

Vnet/IP interface: Dual redundancy design (AFV40S can provide single/dual power supply, AFV40D requires dual redundancy), used for communication with the operator station (HIS) and other control units of the CENTUM VP system, in compliance with industrial Ethernet standards, ensuring reliable data transmission.

ESB bus interface: AFV40S supports single configuration or dual redundancy, AFV40D enforces dual redundancy and is used to connect FIO node units (ANB10 series) or optical ESB bus relay modules (ANT401/ANT411), expanding on-site I/O access capabilities.

Environmental monitoring (HK function)

Built in HKU (House Keeping Unit) monitors the environmental status of the connected cabinet (such as temperature and fan operation status) through the HK bus or optical ESB bus, and displays the HKU operation status on the HIS (Human Machine Interface), supporting system alarm output.

HK bus parameters: Supports connecting HKUs to cabinets such as ACUKT1/ACUKT2/ACB51/XLCabinet, with a maximum of 9 cabinets connected to a single FCU. The total length of the HK bus cable (AKBHKU) is up to 100 meters (daisy chain connection).

(2) Equipment configuration inside the cabinet

Standard equipment

Each FCU cabinet includes: 1 FCU, 1 distribution board with built-in HKU (supporting single/dual power), 2 vertical power bus units (AEPV7D, 1 front and 1 rear), up to 4 node fan units (ANFAN, 2 front and 2 rear, depending on the number of nodes), and 4 cabinet door fan units (AIP601, 2 front and 2 rear cabinet doors).

FCU module configuration

Power module: Supports PW481/PW482/PW484, dual redundant configuration requires 2 modules of the same model to ensure seamless switching in case of power failure.

Processor module: Supports CP471 (CENTUM VP R6.05 and above) or CP461 (default standard), dual redundancy configuration requires 2 modules of the same model, and only authorized engineers from Yokogawa can perform the replacement of CP461 to CP471.

ESB bus coupler module: Supports EC401 (single/dual redundancy) or EC402 (single/dual redundancy), with two identical modules required for dual redundancy configuration to expand ESB bus nodes (EC401 supports up to 9 nodes, EC402 supports up to 11 nodes).

I/O module: Supports up to 6 non-standard I/O modules, which need to be selected according to the type of on-site signal (such as analog input, digital output) and adapted to the FIO system.

(3) Power supply and power consumption

Description of parameters AFV40S/AFV40D (maximum node configuration)

The supply voltage of 100-120V AC/220-240V AC (50/60Hz) and 24V DC should be specified through suffix codes, such as “1” representing 100-120V AC and “4” representing 24V DC

Maximum power consumption (100-120V AC) 2500VA node unit power consumption at full configuration, reduced power consumption in single node configuration

Maximum power consumption (220-240V AC) 2860VA-

Maximum power consumption (24V DC) 71A-

Power protection dual power redundancy (AFV40D mandatory, AFV40S optional) The distribution board supports dual power input and automatically switches in case of failure

(4) Mechanical and environmental parameters

Cabinet size and weight

Dimensions (width x depth x height): approximately 600mm x 800mm x 2105mm (including cabinet), with dimensional tolerances in accordance with the JEM 1459 standard (± 0.8mm below 120mm, standard tolerances above 120mm).

Weight: The empty cabinet weighs about 240kg, and the maximum node configuration (11 node units) is about 360kg. During installation, it is necessary to ensure that the load-bearing bracket of the cabinet meets the load requirements.

environmental adaptability

Working temperature: -10 ℃~+50 ℃ (depending on the cabinet door fan and node fan for heat dissipation); Storage temperature: -20 ℃~+60 ℃.

Protection level: IP20 (only applicable to internal components of the cabinet, must be installed in a closed cabinet to avoid direct contact with dust and liquids).

Anti interference: Compliant with industrial electromagnetic compatibility (EMC) standards, refer to the CENTUM VP system overview document (GS33J01A10-01EN) for details.

Installation restrictions and configuration requirements

(1) Node unit expansion restrictions

Number and type of nodes

A single FCU can support up to 13 node units, including ESB bus node units (ANB10 series) and optical ESB bus relay module units (ANT10U), and can install up to 11 units in the cabinet (5 in the front and 6 in the back).

Remote node expansion: It needs to be connected through the optical ESB bus relay main module (ANT401/ANT411), and the relay module needs to be installed in slots 1-6 of the FCU (dual redundant configuration needs to be installed in pairs, single configuration needs to be installed in the order of slots 1, 3, and 5). The maximum transmission distance of the optical fiber cable is 50km.

Fan unit selection rules

The number of node fan units (ANFAN) should be determined based on the total number of node units in the cabinet to ensure sufficient heat dissipation and avoid module overheating

Number of required node fan units for the total number of node units (ANB10+ANT10U) in the cabinet

0-4 1

5-9 2

10 3

11 4

(2) Hardware Installation Specification

Cabinet grounding and wiring

Power wiring: M6 screw terminals are used, supporting dual power systems (main/backup power needs to be distinguished), and the input voltage should be consistent with the suffix code (such as 100-120V AC or 24V DC).

Grounding requirements: Use M8 screw terminals, with a protective grounding (PE) resistance of ≤ 4 Ω, to ensure the safety of personnel and equipment in case of leakage.

READY contact wiring: M4 screw terminals are used, and NC/NO contacts need to be selected according to the requirements of external alarm devices.

Module installation sequence

The node units inside the cabinet need to be installed in the order of “ANB10 series (ESB bus nodes) first, then ANT10U (optical ESB relay units)” to avoid communication conflicts.

The dual redundant modules (power supply, processor, ESB coupler) need to be installed in adjacent slots to ensure synchronization of redundant switching signals.

Cable restrictions

HK bus cable (AKBHKU): total length ≤ 100 meters. When connecting multiple cabinets in a daisy chain, the length of each cable segment needs to be included in the total length.

ESB bus cable (YCB301): The pre wiring inside the cabinet has been completed, but the cable between ANB10 and ANT10U needs to be connected on site, and parallel laying with power cables should be avoided (spacing ≥ 300mm) to reduce electromagnetic interference.

Model code and configuration options

(1) AFV40S (Single Field Control Unit) Model Code

Model format: AFV40S – [suffix code 1] [suffix code 2] [suffix code 3] [suffix code 4] [suffix code 5] [suffix code 6] [suffix code 7]+option code Core suffix code meaning:

Description of optional values for suffix code bits

1 (Type) A/S A=compatible with CP471 processor (R6.05 and above); S=Compatible with CP461 processor (default)

2 (Vnet/IP) 3/4 3=dual redundant Vnet/IP+single power supply; 4=Dual redundant Vnet/IP+dual power supply

3 (ESB bus) 1/2/3/4 1=single ESB (EC401 × 1); 2=Dual redundant ESB (EC401 × 2); 3=Single ESB (EC402 × 1); 4=Dual redundant ESB (EC402 × 2)

5 (power type) 1/2/4 1=100-120V AC; 2=220-240V AC; 4=24V DC

Option code (optional as needed):

/ – S1F: Single ESB bus node unit (single power supply, model ANB10S-3  5),  is the number of units (1-9/A=10/B=11).

/ – FAN: Node Fan Unit (ANFAN),  is the number of fans (1-4, determined by the total number of nodes).

/CH: Channel base with cable holes (rear 300 × 40mm hole, factory equipped with filling plate), but CE/RCM/EMC/KC certification cannot be selected at the same time after selecting this option.

/ATDOC: Includes explosion-proof manual (compliant with ATEX directive, applicable to potentially explosive environments).

(2) AFV40D (Dual Redundant Field Control Unit) Model Code

Model format: AFV40D – [suffix code 1] [suffix code 2] [suffix code 3] [suffix code 4] [suffix code 5] [suffix code 6] [suffix code 7]+Option code Core difference: AFV40D requires dual redundancy configuration, suffix code 2 is fixed as “4” (dual redundant Vnet/IP+dual power supply), suffix code 3 is fixed as “2/4” (dual redundant ESB bus), and option code only supports dual redundant node units (such as/ – D2F, dual redundant ESB node units).

Software requirements and compatible systems

software license

AFV40S/AFV40D require separate purchase of software license, core dependencies:

VP6F1700 Field Control Station Control Function License (GS33J15C10-01EN): Supports the control logic operation of CP461/CP471 processors.

VP6F3100 Project I/O License (GS33J15A10-01EN): Supports I/O node expansion and signal acquisition for FIO systems.

Event Sequence Manager (SEM) compatibility

If SEM functions (event collection, timestamp recording) are required, hardware conditions must be met (such as supporting high-precision time synchronization), please refer to the document “GS33J30D10-01EN” for details.

system compatibility

Only compatible with Yokogawa CENTUM VP integrated production control system, supporting R6.01 and above versions, with CP471 processor requiring R6.05 and above versions; Seamless integration with FIO system, optical ESB bus relay module (ANT401/ANT411), HKU compatible cabinet (ACUKT1, etc.).

Attachments and related products

Standard Appendix

Factory standard: Cabinet door filter (model T9070CB, quantity 2), used to filter the dust in the cabinet inlet air, needs to be replaced regularly to ensure heat dissipation effect.

Related Products

Cabinet Connection Kit: AKT211, used for HK bus or power connection between multiple AFV40 cabinets.

Cabinet side panel: ACB2P, 2 pieces per cabinet (1 on each side) are required for cabinet side protection and need to be ordered separately.

ESB bus cable: YCB301, pre wired in the cabinet already included, additional configuration is required for the connection between ANB10 and ANT10U.

Key application precautions

Effectiveness of redundant configuration

The dual redundancy function of AFV40D must ensure that the “power supply, processor, and ESB bus module” are all of the same model and installed in designated redundancy slots, otherwise automatic fault switching cannot be achieved.

Explosion proof environment use

If used in potentially explosive environments (such as Zone 2), select the/ATDOC option code, obtain the explosion-proof manual, and ensure that the cabinet and node units comply with ATEX/IECEX certification requirements.

Maintenance and replacement

The replacement of processor modules (CP461 → CP471) is only allowed to be operated by authorized engineers from Yokogawa. User initiated replacement will result in the warranty being invalidated; The battery needs to be replaced every 3-5 years to avoid data loss during power outages.

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