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Component Description: Describes in detail the components of the adapter, including the ControlNet adapter module, indicator lights, ControlNet network cable BNC connectors (3a, 3b, 3b 1794-ACNR15 only), ControlNet node selector jog wheel switch, programming terminal connector port, module locking tab, +24V dc connector, 24V common connector, and Flexbus connector, clarifying the location and basic function of each component in the device.

Mounting Procedure
Mounting to DIN rail: Place the adapter module on the 35 x 7.5mm DIN rail at an angle, hang the hook on the back of the adapter and rotate it onto the rail, press it against the rail and the locking tab will automatically snap into place. If it does not lock properly, use a screwdriver or other tool to press down on the locking tab and operate the adapter until it locks, and then proceed with wiring.
Note: When installing the adapter, make sure that the hooks on the terminal block are correctly hooked into the adapter, otherwise backplane communication may be interrupted.

Interpretation of Status Indicators: The indicators provide a visual indication of the operating status of the adapter. For example, if Comm A and Comm B are off at the same time, it may indicate that there is no power supply or it is in the reset state; if they show red colour at the same time, it means that the adapter is not working; if they flash red/green alternately, it means that the adapter is performing self-test; if they flash red/black alternately, it may mean that the node is mis-configured (the address is duplicated). Comm A or Comm B display different status individually, such as off means the channel is disabled, green means the channel is running normally, etc. There are also other status indicators corresponding to different statuses such as online but not connected, connected normally, recoverable fault, adapter failure, etc.

Specification
Electrical Parameters: Input voltage range is 19.2V to 31.2V dc (with 5% AC ripple) and communication rate is up to 5M Bits/s. Current consumption is 640mA at 5V dc and 400mA from external 24V power supply; maximum power consumption is 4.6W at 19.2V dc and thermal dissipation is 15.7 BTU/hr.
Environmental parameters: Operating temperature range is 0 to 55°C (32 to 131°F), non-operating temperature range is -40 to 85°C (-40 to 185°F), and relative humidity is 5% to 95% non-condensing. In terms of shock and vibration, it can withstand 30g peak acceleration, 11 (+1) ms pulse width in operation, 50g peak acceleration, 11 (+1) ms pulse width in non-operation, and has been tested to withstand vibration of 5g @ 10 – 500Hz (in accordance with IEC 68 – 2 – 6).
Other parameters: I/O capacity for connecting 8 modules, cable for Belden RG-6/U, 12 gauge (4mm²) stranded wire, maximum insulation thickness 3/64 inch (1.2mm), terminal screw torque requirement 7-9 in-lb.
Approval information: The adapter is certified by several authorities, such as CSA certification, CSA Class I, Division 2 Groups A, B, C, D, UL listing and CE marking (in accordance with all applicable directives), which indicates that the product meets the relevant safety and quality standards and is legal for sale and use in the respective markets.

Performance characteristics
Communication Performance
High-speed communication: Supporting a communication rate of 5M Bits/s, it can achieve high-speed data transmission in ControlNet network to meet industrial automation scenarios requiring high real-time performance, such as data interaction and cooperative control between a large number of devices in industrial production lines, to ensure fast and accurate data transmission and to reduce the delay in system response.
Redundant design: Equipped with two ControlNet network cable BNC connectors (3a and 3b, model 1794 – ACNR15), with communication redundancy function. When one communication link fails, it automatically switches to the other, guaranteeing communication continuity, increasing system reliability and reducing the risk of production downtime due to communication interruptions.

Adaptability
I/O module connection: The I/O capacity is 8 modules, which can connect various types of FLEX I/O modules, such as digital, analogue, thermocouple and RTD modules, to meet the diversified needs of different industrial equipment for the number and type of I/O points, and facilitate the construction of complex automation control systems.
Network Adaptation: It can be used as a node of ControlNet network, and the address setting can be done through the node selection dial switch, which can be well adapted with other ControlNet network devices to achieve interconnection and intercommunication among devices, and flexible networking in the industrial network architecture.

Stability
Wide voltage range: The operating voltage range is from 19.2V to 31.2V dc (including 5% AC ripple), which is highly adaptable to the power supply and can operate stably under different power supply conditions, reducing equipment failures due to power supply fluctuations and ensuring normal operation in complex industrial power supply environments.
Environmental Adaptability: Operating temperature range of 0 to 55°C (32 to 131°F), non-operating temperature range of -40 to 85°C (-40 to 185°F), relative humidity of 5% to 95% non-condensing, and withstand a certain degree of shock and vibration (operating 30g peak acceleration, 11 (+1) ms pulse width, non-operating 50g peak acceleration, 11 (+1) ms pulse width, 5g @ 10g). ms pulse width, 5g @ 10 – 500Hz vibration), and can withstand a wide range of industrial environments, from hot steel production plants to humid chemical sites.

FLEX I/O System
System Overview: Connects to a wide range of networks and features a modular design for high flexibility and low cost for distributed applications. Up to eight I/O modules can be connected to a single adapter, supporting a wide range of I/O point combinations.Designed for extreme environments, the FLEX I/O XT is coated for protection, meets many standards, and is resistant to a wide range of reactive substances.

Module Options
Digital I/O modules: Covering a wide range of electrical ranges such as 120V AC, 220V AC, 24V DC, etc., available in different densities from 8 to 32 points. Features isolation, protection, diagnostics, optional input filtering time, and LED status indication for each channel.
Analogue, thermocouple and RTD modules: channels can be individually configured, support online configuration, selectable input filters, etc., capable of controlling the operation of output devices under abnormal conditions, different modules have different accuracy and resolution.
Counter modules: Selected according to the type of application and field equipment, such as 1794 – IJ2XT for proportional control, 1794 – VHS for packaging, material handling, etc.
System mounting and accessories: Panel or DIN rail mounting, with grounding, using DIN rails made of zinc-plated yellow chrome steel. A wide range of accessories are available, such as extension cables, mounting kits, DIN rail latches, etc., and comprehensive documentation is also available.

FLEX Ex I/O System
System overview: Intrinsically safe for use in hazardous areas, eliminating the need for explosion-proof enclosures and additional intrinsically safe isolation components. Based on a physical architecture, categorised by hazardous area designation, connectable to a wide range of networks, modules can be plugged and unplugged electrically and have a wide range of protection features.

Module Options
Digital I/O modules: Fault detection, indication and reporting, selectable input filter time, LED status indication for each channel.
Analogue module: channel configurable, with on-board calibration, online configuration, etc., can detect over-range and under-range, and can control the operation of output devices under abnormal conditions.
Counter I/O Module: Suitable for applications such as tacho control, reports frequency, acceleration and direction, and receives and returns binary data.

System Installation and Power Supply Selection: Requires selection of the appropriate adapter and distribution method, with a variety of adapters available. Power supplies are available in N-type (vandal-proof) and E-type (fire-proof) housings, complying with North American and European standards, respectively, and offering different input voltages. The number of power supplies and their distribution need to be determined according to system planning. Documentation is available to support this.

Safety and Usage Precautions
Prohibited Scenarios: Do not use with Classic PLC-5/15 or PLC-5/25 processors.
Safety Guidelines: Solid-state devices have different characteristics than electromechanical devices and should be used in accordance with applicable safety guidelines; Rockwell Automation is not responsible for consequential damages.
Environmental Requirements: Suitable for use in pollution class 2, overvoltage category II industrial environments at altitudes up to 2000 metres above sea level, Group 1, Class A industrial equipment, and in a suitable enclosure.
Static electricity protection: The equipment is sensitive to static electricity, anti-static measures are required during operation.

Other notes: There are strict requirements on the length of power supply wiring, grounding methods, preventing the entry of foreign objects, and avoiding electrically charged operation.
Approval for use in hazardous areas
Europe: The modules are approved for use in Zone 2 in Europe and are subject to specific requirements, such as UV protection and enclosure protection.
North America: Modules are approved for use in hazardous areas in North America, with product labelling ‘CL I, DIV 2, GP A, B, C, D’, and use is subject to temperature codes and combined equipment review.
Installation Steps
Pre-installation Preparation: Clearly identify components and understand standard addressing modes and substitution relationships.

Mounting to DIN rail: Hook adapter onto DIN rail and rotate down to ensure it locks into place, if not it can be done with a tool.
Replacement in an existing system: Remove the relevant parts in order, take care to align the slots when installing the new adapter, and reconnect the wiring when the installation is complete.
Wiring: Connect the remote I/O cable, power supply, pay attention to the location and order of wiring, if the last adapter needs to be terminated resistor.
Addressing mode setting: Select the addressing mode by setting S1 and S2 switches, different modes correspond to different switch settings, and need to re-power on after setting.

Practical Application Cases
Automobile production line: In the automobile production workshop, a large number of equipments need to be monitored and controlled in real time. For example, in the body welding process, many welding robots and sensors need to communicate with the control system. FLEX I/O Remote I/O Adapter Module can connect the digital input and output signals of the robot, such as controlling the start and stop of the welding gun, and monitoring the analogue signals of the welding current and voltage sensors.

With its multiple addressing modes, it can be flexibly configured to address different devices and transmit data stably to the main control system via 57.6Kbps, 115.2Kbps or 230.4Kbps communication rates, ensuring that the welding work is carried out accurately and improving production efficiency and product quality.

Chemical production process control: The chemical production environment is complex, with corrosive gases and potential explosion risks. For example, the 1794 – ASBK series E module (for hazardous gas environments) can be used for liquid material transport and reaction control. It connects flow sensors, pressure sensors to monitor the material flow, reactor pressure and other analogue signals, as well as digital signals to control the opening and closing of valves. By communicating with the control system, it regulates the production process according to the set parameters. Module grounding and protection design, with explosion-proof shell, can ensure stable operation in chemical hazardous environments and prevent safety accidents caused by electrostatic discharge and electrical failure.

Intelligent warehousing and logistics systems: In automated three-dimensional warehouses, shuttle cars, stacker cranes, and other equipment need to be controlled precisely, and the FLEX I/O remote I/O adapter module connects the equipment’s motor drives, position sensors, etc. The module can, for example, be used to monitor the position of a stacker crane. For example, the digital signals from the position sensors of the stacker cranes are monitored to determine their position between shelves, and the module’s communication function transmits the position information to the control system, which then controls the movement of the stacker cranes accordingly. Its flexible installation method and various wiring specifications facilitate installation and connection in the complex wiring environment of storage equipment to achieve efficient cargo storage and retrieval.

Parameter specifications
I/O Capacity: The I/O capacity of 1794-ASB/E and 1794-ASBK/E is 8 modules, while 1794-ASB2/D is 2 modules. This determines the number of FLEX I/O modules that can be connected to them. In industrial automation projects of different sizes, the appropriate model can be selected according to the actual equipment connection requirements. For example, for a small production line with relatively few devices, the 1794-ASB2/D may be able to meet the connection requirements, while a complex production line in a large factory involving the monitoring and control of many devices may require a module with a larger I/O capacity such as the 1794-ASB/E.

Power Requirements: All models require a power supply capable of delivering 23A (24V DC) with a 2ms start-up inrush current. The input voltage range is 19.2V…31.2V DC, within which the module can operate stably. Taking 1794-ASB/E as an example, the module can still work when the connected power supply voltage is at the lower limit of 19.2V, but if the voltage is continuously lower than this value, the performance may be unstable or even unable to work normally; if the voltage is higher than 31.2V, it may cause damage to the internal circuitry of the module. The output voltage is 5V DC, 640mA, which can provide stable working voltage for the connected FLEX I/O modules.

Communication Rate: 1794-ASB/E, 1794-ASBK/E and 1794-ASB2/D support three communication rates: 57.6Kbps, 115.2Kbps and 230.4Kbps. Users can flexibly choose the appropriate communication rate according to the requirements of real-time data transmission and the quality of the communication line in the actual application scenarios. For example, in the environment of low real-time data transmission requirements and certain interference in the communication line, the rate of 57.6Kbps can be selected to ensure the stability of data transmission; while in the very high real-time requirements, such as some high-speed operation of the equipment monitoring scenarios, you can choose the high speed rate of 230.4Kbps, to ensure that the data is transmitted in a timely and accurate manner.

Indicator Lights: All of them are equipped with power (green), adapter activity (green), adapter failure (red), local failure (red) indicator lights. These indicators provide visual feedback on the module’s operating status. When the power indicator lights up green, it indicates that the module has been connected to a normal power supply; the adapter activity indicator flashes green, indicating that the module is carrying out normal data communication activities; if the adapter failure indicator turns red, it means that the module may have internal faults that need to be investigated in a timely manner; and the local fault indicator turns red, suggesting that there may be a problem with the locally-connected device or line.

Dimensions: Dimensions (H x W x D) are 87 x 69 x 69mm (3.4 x 2.7 x 2.7 inches), the compact size makes it easier to install and arrange in control cabinets and other space-limited environments, space-saving, and easy to integrate with other equipment.
Isolation Voltage: Isolation voltage is 50V (continuous), basic insulation type, tested at 750V DC for 60s (between power supply and system, power supply and RIO, RIO and system). This electrical isolation design effectively prevents electrical interference between different circuits, protects the module and connected devices from electrical shocks and interference, improves the stability and reliability of system operation, and ensures safe operation in complex industrial electrical environments.

Product Summary: The 1786 – RPA/B Repeater Adapter with specific modules builds repeaters for ControlNet networks, extending the network, switching topologies and media, and connecting up to 20 in series.
IMPORTANT: Unlike electromechanical devices, solid-state devices should be used in a manner that ensures proper application and Rockwell Automation is not responsible for consequential damages. Examples in this document are for illustrative purposes only and may not be reproduced without permission. Various safety warnings are given, such as operating in hazardous environments, protection against static electricity, and other precautions.

Environmental and Installation Requirements
Environmental conditions: Suitable for use in industrial environments with pollution level 2, overvoltage category II, at altitudes up to 2000 metres above sea level, Group 1, Class A industrial equipment, to be installed in a suitable enclosure.
Hazardous Location Use: For North American hazardous locations, products labelled ‘CL I, DIV 2, GP A, B, C, D’ have specific temperature code requirements; for European Zone 2 environments, equipment must be mounted in an enclosure with at least IP54 protection.
Static electricity protection: The device is sensitive to static electricity and should be operated in accordance with protective measures such as touching grounded objects, wearing a wrist strap, etc.

Module mounting
Mounting preparation: Horizontal mounting is recommended, vertical mounting is also possible (top mounting is recommended), using DIN rails made of zinc-plated yellow chromate steel and properly grounded.
Mounting procedure: Hang the module on the DIN rail at an angle of 30° and rotate it to snap into place, mount the repeater module, secure it with the DIN rail lock, make sure that the total number of modules and the power consumption do not exceed the limits, tighten the screws to 1.1 N・m.
Module wiring: Disconnect the power when wiring, prepare tools and wires, connect the wires to the V in+ and V in terminals of the RTBs after stripping, tighten the screws to 0.6 – 0.8 N・m, install the RTBs and connect them to the ControlNet network, connect the unused ports with a 75Ω terminator.
Status indicators: The status indicators are available in different combinations to indicate different states. For example, alternating red/green indicates that the module is powered up or reset; solid red indicates that a node is continuously transmitting on the network; and off indicates unpowered or faulty.

Technical Specifications
Electrical Specifications
Power Consumption and Power Dissipation: Maximum power consumption is 16.8 W and maximum power dissipation is 8.8 W. These two parameters reflect the energy consumption and heat dissipation requirements of the device during operation, which is of great significance to the power configuration and heat dissipation design of the system. In practice, it is necessary to ensure that the power supply can provide sufficient power, and at the same time to consider the heat dissipation measures of the equipment to ensure its stable operation.

Input Voltage: The input voltage is rated at 700mA @ 24V DC, which is classified as Class 2/SELV (Safety Extra Low Voltage). The input voltage range is 18 – 36V DC, which means that the device can operate normally within a certain voltage fluctuation range, but exceeding this range may affect the performance of the device or even cause damage. When selecting a power supply, it is important to ensure that the output voltage meets the requirements of the device.

Backplane Output Current: The maximum backplane output current is 1.6A @ 5V DC, which limits the total current consumption of other devices connected to the backplane. When designing a system, it is necessary to consider the power consumption of the connected devices to avoid exceeding the limit of the backplane output current, which may lead to device failure or unstable operation.

Mechanical specifications: The minimum enclosure dimensions are approximately (12 x 7.75 x 4 in.) i.e. 304.8 x 196.8 x 101.6 mm, which specifies the space occupation of the device, and when installing the device, it is necessary to make sure that there is enough space to accommodate the device. There is no restriction on the mounting direction of the device, and the appropriate mounting method can be selected according to the actual situation, but horizontal mounting is preferred, and it is recommended that the device be mounted on the top when installed vertically.

Environmental specifications
Temperature: The maximum ambient air temperature is 140°F (60°C), which limits the ambient temperature range in which the unit can be used. When used in a high temperature environment, care should be taken to dissipate heat to prevent damage to the unit due to overheating. If the ambient temperature exceeds the equipment’s tolerance range, it may result in reduced performance, shortened life, or even failure.

Vibration and Shock: In terms of vibration, the device complies with IEC60068 – 2 – 6 (Test Fc, Operating) and can withstand vibration of 5 g @ 10 – 500 Hz; in terms of shock, the device complies with IEC60068 – 2 – 27 (Test Ea, Unpackaged Shock) and can withstand shock of 30 g. These parameters indicate that the device can withstand a certain level of vibration and can withstand a shock of 30 g. The device can withstand a shock of 30 g if the ambient temperature exceeds the range. These parameters indicate that the equipment can maintain normal operation in a certain vibration and shock environment, but in practice, the equipment should try to avoid excessive vibration and shock.

Electromagnetic compatibility: It has certain electromagnetic compatibility, such as ESD (electrostatic discharge) immunity of 6 kV contact discharge and 8 kV air discharge; Radiated RF immunity has different requirements in different frequency ranges, such as 10V/m with 1 kHz sine – wave 80% AM from 80 – 2000 MHz, etc; EFT/B immunity is ±4 kV at 5 kHz at power and communication ports; Surge transient immunity has different tolerance values at different ports, e.g. ±1 kV line – line (DM) and ±2 kV line – earth (CM) at power port, etc.; Conducted RF Immunity is 10V rms with 1 kHz sine-wave 80% AM from 150 kHz – 80 MHz. These parameters ensure that the device can work properly in complex electromagnetic environments without causing interference to other devices.

Approvals: Several approvals have been obtained, including UL (UL Listed Industrial Control Equipment), CSA (CSA Certified Process Control Equipment, etc.), FM (FM Approved Equipment for use in), FM (FM Approved Equipment for use in), and FM (FM Approved Equipment for use in). FM (FM Approved Equipment for use in Class I Division 2 Group A,B,C,D Hazardous Locations), CE (European Union 2004/108/EC EMC Directive etc.), C-Tick (Australian Radiocommunications Act), Ex (European Union 94/9/EC ATEX Directive) and CI (ControlNet Int’l conformance tested to ControlNet specifications). These certifications indicate that the equipment complies with relevant safety, quality and industry standards and is safe for use in the respective regions and environments.

Specification Technical Parameters
Electrical Characteristics
Backplane current: The backplane current is 2.2A, which determines the amount of current that the module receives from the backplane during operation and affects the power distribution and stability of the whole system. When designing the power supply system, it is necessary to ensure that the backplane can provide sufficient current to meet the normal operation requirements of the module and other equipment.
Heat dissipation: The heat dissipation is 37.54 BTU/hr, indicating that the module generates a certain amount of heat during operation and requires reasonable heat dissipation measures to ensure its stable operation. If the heat dissipation is not proper, it may cause the module temperature to be too high, affecting its performance and life.

Environmental Adaptability
Temperature range: 0 to 60°C (32-140°F) for operation and – 40 to 85°C (- 40 to 185°F) for storage. This allows the module to operate and be stored in a range of temperatures, but additional temperature regulation should be considered when using the module in extreme temperature environments.
Humidity Requirements: Relative humidity of 5 to 95% (non-condensing) indicates that the module can tolerate a certain range of humidity, but high humidity and condensing environments should be avoided to prevent electrical short circuits and other failures.

Mechanical properties
Shock resistance: 30g peak acceleration during operation, duration 11 ± 1ms; 50g peak acceleration during non-operation, duration 11 ± 1ms, which indicates that the module has a certain degree of shock resistance in the transport and use of the process, but in the actual application of the need to avoid a strong shock, so as not to damage the internal components.
Vibration Resistance: Withstands 2g of vibration with a peak-to-peak displacement of 0.012’ over a frequency range of 10 to 500Hz. This feature ensures that the module can work stably in industrial environments where vibration is present and reduces the risk of loosening connections or damaging components due to vibration.

Communication Capabilities
Communication protocols and ports: Ethernet (TCP/IP protocol) is used for communication, and the 15-pin AUI transceiver port connects to the network, ensuring compatibility with Ethernet devices and stability of data transmission.
Number of Connections: Supports 64 simultaneous connections, which can meet the needs of simultaneous communication of multiple devices. This parameter is very important for systems that require data interaction with multiple end devices, which determines the communication capacity and scalability of the system. The module also supports 512 unsolicited definitions (for the RSLinx and INTERCHANGE packages), which further enhances its communication capabilities in specific software environments.

Installation
Mounting Location: Mounted in the second left slot of the 1771-A1B, -A2B, -A3B, -A3B1, -A4B chassis and connected to the processor, the clear mounting location requirement helps to ensure that the module is installed correctly and operates correctly in the system.
Weight: 0.95 kg (2.1 lbs), a parameter that needs to be taken into account when designing the overall layout and mounting of the unit, especially for applications with stringent weight requirements.
Approvals: CSA Class I, Division 2, Groups A, B, C, D certification, UL listing and CE marking (for all relevant directives) signify that the module meets the relevant safety and quality standards and is safe for use in the respective area.

Module installation
Preparation for installation: Use specific programming software and corresponding processor, check the module packaging, record the Ethernet hardware address, prepare installation tools and equipment, and take precautions against static electricity.
Installation Procedure: Connect the connector plug to the processor, connect the interface module to the processor, and install the combo module into the leftmost slot of the 1771 I/O chassis. Installation requires attention to pin alignment and power down.
Removing the Module: To remove the module, disconnect the power, lift the locking lever and eject the tabs, and loosen the screws to separate the module.

Module Configuration
Configuration preparation: Each Ethernet hardware address should be assigned a unique IP address, which can be set manually or through the BOOTP protocol.
Configuration operation: Use programming software to specify the channel 3A support module, disable BOOTP, set diagnostic files, IP address and other parameters when configuring manually; when using BOOTP, you need to have a server and edit the BOOTPTAB file.

Communication Operation
Status monitoring: Judge the operation status of the module through the LED indicator after power on, the status indicator is always green when it is normal, and the transmission indicator turns green briefly when it is transmitting.
Connection Establishment: After establishing Ethernet connection, you can monitor the communication status data through the diagnostic file, including the sending and receiving of commands, replies, data packets, etc. and the error situation.
Data transmission: Use the MSG instruction to transmit data, note that the control block address should be even, set the command parameters, and set the port number to 3A when communicating through the Ethernet interface module.

System Overview: PLC-5 programmable controller system can be connected to a variety of devices, support EtherNet/IP, ControlNet, DeviceNet and other networks, with a variety of programming languages and software tools to meet different user needs. Users need to draw the system block diagram according to the actual situation, determine the number of controllers and communication methods, and also can choose the hot standby programme to enhance system reliability.
Selection Steps

I/O Module Selection: Covering 1771, 1746, 1794 and other series, each series has different characteristics and application scenarios. 1771 series has a wide range of types, with input and output modules of different voltage levels and number of channels; 1746 series is SLC 500 I/O, which can be connected to ControlNet through specific adapters; 1794 FLEX I/O is cost-effective and supports various networks. The 1794 FLEX I/O is cost-effective and supports a wide range of networks.

Communication network options: Includes NetLinx networks (e.g., EtherNet/IP, ControlNet, DeviceNet) and serial networks (e.g., RS-232, DH+) EtherNet/IP is Ethernet-based and Web-enabled; ControlNet provides high-speed deterministic communication; DeviceNet reduces wiring; serial networks are used for device-specific connections. DeviceNet reduces wiring; serial networks are used for device-specific connections.

Controller Selection: It is divided into ordinary PLC-5, EtherNet PLC-5, ControlNet PLC-5, etc. Different types have differences in memory, I/O capability, network interface, etc. Users need to select according to system requirements. Users need to choose according to the system requirements, and can also be equipped with EEPROM and battery, and at the same time to consider the frame selection, installation size and power supply selection.

Software selection: Programming software such as RSLogix 5 for application programming; communication software RSLinx for device communication; network configuration software RSNetWorx for configuration of network parameters; and software such as RSLogix Emulate 5, as well as relevant training courses and work instruction materials.

Special features
Powerful connectivity: It can connect to devices within the range of EtherNet/IP, ControlNet, DeviceNet, SLC 500, ControlLogix, MicroLogix, etc., and also communicate with computers, servers, etc., which realises a wide range of device interconnections and meets the needs of device connectivity in different industrial scenarios. Supporting a variety of network interfaces, users can choose the best network configuration according to the actual needs, to achieve control and information data routing between different networks, to ensure the efficient operation of the system.

Flexible network communication: The NetLinx network architecture (EtherNet/IP, ControlNet, DeviceNet) enables seamless integration of all components in the system, reducing installation costs and improving efficiency. etherNet/IP is Ethernet-based and web-enabled, making it easy to create customised web pages to provide process information; ControlNet provides high-speed, deterministic I/O transfer for control scenarios requiring high real-time performance; DeviceNet reduces wiring and system complexity. It supports serial network connection, such as RS-232, RS-423, RS422A, and can communicate with specific devices through DF1 and ASCII protocols, which is suitable for devices that do not require high communication speed but need simple connection.

Rich programming and software support: support for a variety of programming languages, such as Structured Text (ST), Function Block (FB), Sequential Function Flowchart (SFC) and Ladder Diagram, to meet the programming habits of different users and application requirements, convenient for users to carry out program development, maintenance and troubleshooting. A variety of software tools are provided, RSLogix 5 for application programming, RSLinx for inter-device communication, RSNetWorx for network parameter configuration, RSLogix Emulate 5 for simulation debugging, and ViewAnyWare to meet the needs of monitoring and operation at different levels.

Variety of controllers: According to different application scenarios and needs, we provide various types of controllers, such as common PLC-5, EtherNet PLC-5, ControlNet PLC-5, etc.. Different types of controllers differ in memory size, number of I/O points, network interface, backplane current load, etc., so users can choose flexibly according to actual needs. Some of the controllers have special functions, such as ControlNet PLC-5 controller supports hot standby programme, in which the second controller can take over the control outputs quickly when the main controller is down to ensure the stability and reliability of the system.

Abundant I/O Module Types: There are many types of I/O modules, including 1771, 1746, 1794, 1797, 1791D, etc., each with different voltage levels, channel numbers and functional features, which can meet the input/output requirements of various industrial sites. 1771 series I/O modules are abundant in types, which cover a wide range of input/output modules in terms of voltage levels and signal types; The 1794 FLEX I/O is cost-effective and highly scalable, and the 1791D CompactBlock I/O is designed for small form factor applications with integrated DeviceLogix functionality.

Technical specifications
Communication interface specifications: Connected via RS-232 cable, one end of the cable is connected to the computer, the other end is connected to the 9-pin female connector, the specific pin definition is clear, Pin 4 is used for the module to transmit data to the computer (TX), Pin 3 is used for the computer to receive data to the module (RX), Pin 1 as the data ground (GND). This shows that the device uses the RS-232 standard interface for data transmission, this interface is widely used in the field of industrial control, has a certain degree of versatility and stability, to meet the basic data communication needs between the device and the computer.

Software environment requirements: need to run on Microsoft Windows 3.1 or higher version of the operating system. This requirement restricts the scope of the software environment used, ensures compatibility with specific operating systems, and also implies that the software architecture and functional design of the Local Station Manager are developed based on the characteristics and standards of these operating systems, and users need to ensure that the computer meets the conditions of this software environment when using it.

Bus Parameters: Bus parameters can be set, including local address, baud rate, maximum address and message timeout. Baud rate is commonly set to 500Kbaud, 187.5Kbaud and so on. These parameters can be set for the user according to different industrial field environment and equipment requirements for flexible configuration provides the possibility of different baud rate settings will affect the speed and stability of data transmission, the user can choose the optimal configuration according to the actual situation.

Module Status Indication: The module status is displayed through a special window, which contains various statuses, such as ‘Operational’ indicates that the module has been configured for communication; ‘No Communication’ indicates that the module is busy, No Communication’ indicates that the module is busy, an error has occurred, or the RS-232 cable is not connected. These status indicators provide users with intuitive information about the module’s operation, which helps to find and solve problems in time, and to judge whether the module’s working status is normal or not, so as to take corresponding measures.

Prerequisites for Use and Connection and Installation: To use the Local Station Manager, you need to master the operation of Microsoft Windows 3.1 or later, and connect the computer and the PROFIBUS coprocessor with the RS-232 cable, and connect them according to the specific pins. Afterwards, insert the floppy diskette of the Local Station Manager into the drive of the computer and install it by entering the installation commands via the ‘Execute’ option in the ‘File’ menu. The installer will copy the files to the default directory and you can choose whether or not to modify the SYSTEM.INI file. file.

Basic operation guide
Open and Language Selection: After starting Windows, double click the AB_PROFIBUS icon to open the Local Station Manager, and then double click the Local Station Manager icon or press the Enter key to select the language from English, German and French to enter the main interface.
Use of help tools: Click the ‘?’ icon to get context help, press F1 key or select ‘Index’ in ‘Help’ menu to view the help index, you can continue to browse or exit the help tool by menu operation.
Communication Port Selection: Click the ‘Settings’ icon or select ‘COM Port’ from the ‘Settings’ menu to select the communication port of the computer to which the RS-232 cable is connected. Three windows will be displayed, including ‘Module Status’, in which ‘Module Status’ window will display different status of the module.

Function operation details
Check battery level and switch: Click ‘MOD INFO’ icon or select ‘Module Info’ from ‘Info’ menu to check the battery level and switch setting according to the module status. If the module status is ‘no communication’, you need to check the connection and port settings.
Setting and verifying bus parameters: Click ‘Bus’ icon or select ‘Bus Parameters’ from ‘Configuration’ menu, you can choose default parameters or manually input new parameters, click ‘OK’ before you need to check the connection and port settings. You can select the default parameters or manually enter new parameters, set switch 2 to ‘Off’ before clicking ‘OK’ to verify the new parameters.
Monitor system events: Click ‘EVT’ icon or select ‘Module Events’ from ‘Monitor’ menu, you can view the time, source and explanation of module events. By comparing the time, you can determine the interval of the event, and according to the source and explanation, you can analyse the cause of the event.

Other operations
Reset operation: Click ‘RES MOD’ icon or select ‘Module Reset’ from ‘Monitor’ menu to reset the module, click ‘RES COM’ icon or select ‘Module Reset’ from ‘Monitor’ menu to reset the module. Communication can be reset by clicking ‘COM’ icon or selecting ‘Communication Reset’ from ‘Monitor’ menu. The reset operation needs to confirm the prompt message and the LED of the module will change accordingly during the reset process.
Address translation: By clicking on the ‘MB HEX’ icon or selecting ‘Address Translator’ from the ‘Utilities’ menu, you can translate between PLC-5 data form addresses (symbolic) and PROFIBUS physical addresses (32-bit). PROFIBUS physical address (32 bit hexadecimal).

Technical Specifications
Environmental Specifications
Temperature Range: Operating temperature range of 0 to 60°C (32 to 140°F) in accordance with IEC 60068 – 2 – 1 (Test Ad, Operating Cold), IEC 60068 – 2 – 2 (Test Bd, Operating Dry Heat), and IEC 60068 – 2 – 14 (Test Nb, Operating Thermal Shock). (Test Nb, Operating Thermal Shock), a temperature range that meets the requirements for stable operation in most common industrial environments. The non-operating temperature range is – 40 to 85°C (- 40 to 185°F) according to IEC 60068 – 2 – 1 (Test Ab, Un-packaged Nonoperating Cold), IEC 60068 – 2 – 2 (Test Bc, Un-packaged Nonoperating Dry Heat), and IEC 60068 – 2 – 14 (Test Nb, Operating Thermal Shock). and IEC 60068 – 2 – 14 (Test Na, Un-packaged Nonoperating Thermal Shock) to ensure the safety and stability of the equipment during storage and transport.
Humidity requirements: Relative humidity requirements of 5% to 95% (non-condensing), according to IEC 60068 – 2 – 30 (Test Db, Un – packaged Nonoperating Damp Heat) standard, this humidity range can effectively avoid the humidity problems caused by electrical shorts or corrosion of the components and other faults, to ensure the normal operation of the internal circuitry of the equipment.
Altitude and Pollution Level: Applicable to areas below 2000 metres above sea level, pollution level 2, can work normally in general industrial environments, where the equipment can withstand a certain degree of dust, moisture and other pollution, to maintain stable performance.
Electromagnetic compatibility: Group 1, Class A industrial equipment, in accordance with CISPR 11 standards. When used in other environments, additional measures may be required to ensure electromagnetic compatibility in order to avoid electromagnetic interference with the equipment or interference with other equipment.

Electrical performance specifications
Power Parameters: The maximum power consumption is 3.6A @5V dc, and the maximum power dissipation is 18.9W, which determines the power consumption of the device during operation. Users need to take these parameters into consideration when configuring the power supply system to ensure that the power supply can stably supply power to the device.
Insulation and Voltage Resistance: The basic insulation between the communication ports and the backplane is 50V and can withstand 500V rms for 60 seconds. This feature ensures the safety of the device in terms of electrical insulation, effectively preventing electrical faults and the risk of electric shock, ensuring the safety of operators and equipment.

Mechanical specifications
Vibration resistance: 2g @10 to 500 Hz under operating conditions in accordance with IEC 60068 – 2 – 6 (Test Fc, Operating). This allows the equipment to remain stable in vibration environments on industrial sites, such as those where large machinery and equipment are operated, and reduces the likelihood of loosening or damage to internal components due to vibration.
Shock resistance: 30g for operational shock and 50g for non-operational shock according to IEC 60068 – 2 – 27:1987 (Test Ea, Unpackaged shock). This means that when the device is subjected to a certain degree of shock, such as bumps during transport or accidental collisions, it has a certain degree of shock resistance, which effectively protects the internal precision components and maintains the normal function of the device.

Certifications and compliance specifications: UL, CSA, CE, C-Tick, etc. UL certification indicates that the equipment meets the safety standards of Underwriters Laboratories in the U.S.; CSA certification means that it complies with the relevant standards of the Canadian Standards Association; CE certification means that it meets the relevant directives in the European market; and C-Tick certification complies with Australia’s radiocommunication regulations. These certifications ensure the safe use of the product and market access in different regions.
BASIC INFORMATION AND SAFETY TIPS: This manual focuses on the Ethernet PLC-5 programmable controllers, models 1785-L20E, 1785-L40E, 1785-L80E (Series F), and is intended to guide the user through installation and troubleshooting. The manual emphasises the differences between solid-state and electromechanical equipment, reminds the user to ensure that the equipment is used appropriately, and states that Rockwell Automation is not responsible for consequential damages resulting from the use of the equipment. The manual also contains a number of safety tips for safe operation in hazardous environments, static electricity protection, and other areas.

Installation Procedure
Pre-installation Preparation: Before installation, you need to make good protection against static electricity, such as touching grounded objects, wearing a grounded wrist strap, avoiding touching circuit board connectors and components, etc., and storing the equipment in anti-static packaging.
Hardware installation: I/O chassis installation, configuration (set the backplane switch, power configuration jumper and keying tape), power supply installation, controller installation (set the DH + station address, serial port configuration, installation of batteries), the installation process should pay attention to the details of the various steps and the relevant warning information, such as connecting or disconnecting the battery may generate an electric arc, the need to be in the power failure or non-hazardous environment.
System Connection and Test: After completing the hardware installation, power on the system. At this point, the programming software may indicate a RAM error, which can be acted upon according to the key switch position. Connect the PC to the controller and refer to the relevant manual for details.

New Features
Network Configuration: The controller’s Channel 2 communication ports are equipped with RJ-45 connectors and support BOOTP, DHCP, or static IP address settings, auto-negotiation of speed, full/half-duplex port settings, and 10/100 Mbps speed selection.
Other functions: With mail client function, it can send mails through mail relay server; it supports HTTP Web Server and Simple Network Management Protocol (SNMP) function, which can be enabled or disabled in Channel 2 configuration, and the controller needs to be restarted to take effect after changing the relevant settings.
Troubleshooting: Diagnose the faults by observing the colour and status of the BATT, PROC, FORCE, COMM and other lights on the controller; red BATT light indicates low battery, which needs to be replaced in time; blinking red PROC light may indicate that there is an error in RSLogix 5 during download or operation, which can be dealt with by checking the fault bits in the status file. Faults on different communication channels (e.g., Remote I/O, DH+, Ethernet) can also be investigated and resolved based on the status of the corresponding indicator.

Installation Process
Pre-preparation: Check the processor package and make sure the accessories are complete, including the processor, battery, and related documents. Prepare the tools and equipment needed for installation, such as I/O chassis, power supply, screwdriver, etc., and record the Ethernet hardware address.
Installation operation: Pay attention to the model and operation specification when installing the battery to prevent electrostatic discharge. Set the I/O chassis back panel switches, configuration plugs and keystrip to select the DH+ station address, serial interface, and ControlNet network address. When plugging the processor into the I/O chassis, be sure to operate it without power to avoid electrical arcing. When connecting remote I/O, DH+, and ControlNet networks, follow cable length and connection specifications and use appropriate terminating resistors.

System planning and use
ControlNet I/O Principle: The ControlNet system enables high-speed, repeatable, and deterministic I/O transfer, supporting the coexistence of control and message information on the same physical medium. Data transfers are scheduled and unscheduled, with scheduled data transfers being continuous and asynchronous for ladder logic program scans, and unscheduled data transfers being used in scenarios where determinism is not required.

Connections and Mapping: introduces the various connection types, such as exclusive owner, input-only, listen-only, and redundant owner connections, as well as the rules for combining them.I/O Mapping involves the creation and maintenance of I/O mapping tables, designating storage locations for the different types of I/O data transfers, as well as reserving space for non-ControlNet I/O.
Optimisation strategy: The use of the I/O image table can be optimised by reasonably arranging the position of the I/O modules, such as placing the less used module types on the left side, and placing the modules that do not need the space of the I/O image table on the right side. There are two methods of optimising complementary without slot and optimising complementary with slot, which are often used in combination in practical applications.

Software Configuration and Programming
Software tools: RSNetWorx for ControlNet software is used to define network parameters and monitor the status of I/O mapping entries; RSLogix 5 software is used to input user programme files, configure modules, etc.; RSLinx software provides the network interface and polls network devices.
Project Operation: When uploading and downloading software projects, ensure that the ControlNet configuration information in the RSLogix 5 project file and the RSNetWorx project file is consistent. Once downloaded, you can use the RSNetWorx software to perform verification activities such as verifying keeper signatures and scanner signatures.
Command usage: ControlNet supports various commands, such as the Message (MSG) command for sending message commands within the network, which can be used for multi-hop communication; the ControlNet I/O Transfer (CIO) command for non-discrete I/O data transfer; and the Immediate Data Input (IDI) and Immediate Data Output (IDO) commands, etc., which have their own scenarios and methods of usage. There are also Immediate Data Input (IDI) and Immediate Data Output (IDO) instructions.

Monitoring and Troubleshooting
Status monitoring: The general operation status of the processor can be understood through the various status indicators on the processor, such as BATT, PROC, FORCE, COMM, etc.; the ControlNet status indicator reflects the operation status of the ControlNet network; and the DH+/RIO status indicators are used to monitor the status of the data highway and the remote I/Os.
Troubleshooting: The common fault codes and their meanings are introduced, for example, 200 indicates that the ControlNet scheduling output data is lost and it is necessary to check whether there is any electrical noise in the network. Corrective action is provided for each fault code.
Technical Specifications and References

Processor specifications: covers the electrical, environmental, mechanical, and communication parameters of the processor, such as backplane current, operating temperature, network update time, etc. It also introduces the available ink cartridges, batteries, memory modules, and so on.
Status File and Instruction Set: The contents stored in each word of the processor status file are described in detail, including arithmetic flags, processor status and flags, and fault codes. The instruction set of ControlNet is introduced, including I/O transfer instructions, message instructions, immediate data I/O instructions, etc., as well as the execution time and memory requirements of the instructions.

Performance Advantages
Efficient and Reliable Communication Performance
High-speed deterministic transmission: ControlNet network is designed for high-speed, repeatable and deterministic I/O transmission, ensuring stable coexistence of control and message information on the same physical medium. In industrial production scenarios, for time-sensitive control commands and real-time data acquisition, it can ensure the timeliness and accuracy of data transmission and avoid production failures caused by delayed or unstable data transmission. In automotive production lines, a large amount of sensor data and equipment control commands are transmitted through the ControlNet network, and its deterministic transmission characteristics ensure the accurate operation of the production line.

Multiple communication methods: A variety of communication methods are supported, including Scheduled Data-Transfer Operations (continuous and asynchronous in ladder logic programme scanning) and Unscheduled Data-Transfer Operations (for scenarios with non-deterministic requirements). This flexible communication mechanism allows the controller to choose the most appropriate communication method for different application requirements, which not only meets the needs of real-time control, but also handles non-deterministic messaging such as programming devices and human-machine interface (HMI) devices, and improves the overall communication efficiency of the system.

Powerful data processing capabilities
Efficient data transfer mechanism: Both discrete I/O data transfer and non-discrete I/O data transfer can be performed in an efficient manner. Discrete I/O data transfers can be configured in the I/O map table for deterministic and repeatable operations; non-discrete I/O data transfers can be configured in the I/O map table or updated using the ControlNet I/O Transfer (CIO) instruction, and have the same priority as discrete I/O data transfers, which effectively improves the speed and efficiency of data processing. This effectively improves the speed and efficiency of data processing. The controller’s non-discrete I/O data transfer capability meets the high demand for real-time processing of large amounts of analogue data in chemical production processes.

Supports multi-processor control: multiple ControlNet PLC-5 processors can update the I/O adapters at the same time, and any processor can control the adapters on the network, send CIO commands, and carry out peer-to-peer communication, which realises distributed control and cooperative work of the system, enhances the overall data processing capability and control flexibility of the system, and is suitable for multi-node control of large-scale complex industrial systems. It is suitable for multi-node control of large and complex industrial systems.

Flexible Configuration
Flexible I/O mapping: I/O mapping is highly flexible, users can map I/O data into I/O image table or DIF/DOF file according to the actual demand, and the mapping position and size of input and output data can be adjusted according to the specific situation. This flexibility enables the controller to adapt to different I/O device layouts and data processing requirements, improving the adaptability and scalability of the system configuration. In industrial automation projects of different sizes, the I/O mapping can be flexibly adjusted according to the number and type of I/O devices to meet the specific needs of the project.
Optimized I/O Configuration: A variety of methods are provided to optimize I/O configuration, such as optimizing the use of I/O image table, which can make full use of I/O resources and reduce the waste of resources by adjusting the location of modules and choosing appropriate addressing modes. In practical applications, according to the I/O demand and resources of the system, you can choose to optimise the slotless complementary or optimise the slotted complementary method to improve the efficiency of I/O resources.

Easy Diagnosis and Maintenance
Comprehensive Fault Diagnosis: Equipped with a perfect fault diagnosis mechanism, it can quickly and accurately determine the system’s operation status and fault types through the various status indicators (such as BATT, PROC, FORCE, COMM, etc.) on the processor, as well as the ControlNet status indicator and the DH+/RIO status indicator. Combined with detailed fault codes (such as those stored in S:12 in the processor status file), it can provide in-depth understanding of the cause of the fault, and provide strong support for troubleshooting and repair. When a system failure occurs, technicians can quickly locate the point of failure and shorten troubleshooting time based on the indicator status and fault codes.

Convenient monitoring and maintenance: The configuration and status of the ControlNet network can be comprehensively monitored with software tools such as RSNetWorx for ControlNet, RSLogix5, and RSLinx, which can be used to define network parameters and monitor the status of I/O map entries; RSLogix5 can be used to monitor ControlNet diagnostic files and manage user programme files; RSLinx can be used to poll network devices and monitor station diagnostic information. The coordinated use of these software tools facilitates the daily maintenance and management of the system, and improves the reliability and stability of the system.

Basic information: This manual is intended for control engineers who are responsible for designing, installing, programming, or debugging the use of this module, and who have knowledge of PLC-5 programmable controller products and Ethernet-related topics such as TCP/IP protocols, Internet addressing, etc. The manual is intended to guide the user in the installation and configuration of this interface module to enable communication over Ethernet. The manual is intended to guide the user in the installation and configuration of the interface module for communication over Ethernet.

Installation Guide
Preparation: Prepare equipment and tools such as the PLC-5 Ethernet interface module, 58-pin connector plug, related manuals, record the Ethernet hardware address, and take precautions against static electricity.
Installation Procedure: Firstly, carefully align and insert the connector plug into the PLC-5 processor, then connect the interface module to the processor and tighten the screws, and finally install the combination module into the left slot of the 1771 I/O chassis, and make sure the power of the chassis is switched off during the whole installation.
Disassembly points: first cut off the power, lift the locking lever, and at the same time lift the ejector tab to remove the module, be careful to avoid damaging the components when separating the module from the processor.

Configuration
IP address assignment: Each Ethernet hardware address needs to be configured with a unique IP address, which can be entered manually in the programming software or dynamically assigned through the server using the BOOTP protocol.
Manual configuration: In the programming software, first disable BOOTP and then enter the Ethernet-specific information such as diagnostic file number, IP address, etc. in sequence.
BOOTP Configuration: There should be a BOOTP server in the network, edit the BOOTPTAB file, input the module’s hardware address, IP address and other information, save it, run the server and restart the chassis.

Communication Function
Status monitoring: Judge the operation status of the module by observing the LEDs, such as the STAT light is always on in green which indicates normal connection to the network, and blinking red which indicates a fault. You can also check the Ethernet status data with the help of diagnostic files to understand the communication situation.
Use of MSG command: This command is used to transfer data, and when using it, you need to set the control block and command parameters, such as command type, data address, number of elements to be transferred, etc., and it can be used to communicate with a variety of devices.
Communication with ControlLogix devices: With the ControlLogix 1756-ENET module, configure the MSG instruction and related parameters, such as setting the Link ID number, to communicate with other PLCs and SLC processors.

Specifications and Diagnostics
Module specifications: Covering electrical, environmental, mechanical and other parameters, such as backplane current of 2.2A, operating temperature of 0-60°C, support for 64 simultaneous connections, etc., with CSA, UL, CE and other approvals.
Performance Data: Provides PLC to PLC and workstation to PLC performance data under different operation and data volume, such as MSG per second, time per MSG, words per second, etc.
SNMP Management Information Base: The module supports SNMP, and the MIB II data set contains management information on system, interface, UDP, IP, ICMP, TCP, and so on.
Error Code: When the status LED blinks red, it indicates a fault, and the error code is displayed through a specific blinking sequence, according to which the type of fault can be judged, e.g. 01 means that the General 68000 test has failed.

Technical specification parameters
Electrical parameters: The backplane current is 2.2A, this parameter determines the amount of current obtained from the backplane when the module is working, a stable current supply is the basis for normal operation of the module. The heat dissipation is 37.54 BTU/hr, which reflects the rate of heat generated by the module in the working process. Reasonable heat dissipation design helps to maintain the stable working temperature of the module, avoiding performance degradation or failure due to overheating.
Environmental parameters: the working temperature range is 0 to 60°C (32 – 140°F), the storage temperature range is -40 to 85°C (-40 – 185°F), this wide range of temperature adaptability enables the module to be stored and used in different environmental conditions, whether in cold storage environment or hot industrial production site, can ensure a certain degree of adaptability. The relative humidity requirement of 5% to 95% (non-condensing) ensures that under different humidity environments, the module will not cause short-circuit and other problems due to water vapour condensation inside the module, which guarantees the electrical performance and stability of the module.

Mechanical parameters: In terms of impact, it can withstand 30 g peak acceleration with a duration of 11 ± 1 ms during operation, and 50 g peak acceleration with a duration of 11 ± 1 ms during non-operation. This makes the module resistant to mechanical shocks, such as bumps during transport of equipment and vibrations at industrial sites, and reduces the risk of damage to internal components caused by shocks. Vibration parameters are 2 g @ 10 to 500 Hz, 0.012 inches peak-to-peak displacement, indicating that the module in a certain frequency and displacement range of anti-vibration performance is good, can adapt to the common vibration in industrial environments, to ensure that the module in the vibration of the reliable operation of the environment.

Communication Parameters: Adopting Ethernet (TCP/IP protocol) for communication, network connection is achieved through the 15-pin AUI transceiver port, which ensures stable communication with other devices that support TCP/IP protocol. It supports 64 simultaneous connections, which means that the module is able to establish connections with multiple devices at the same time, meeting the needs of multi-device communication in complex industrial networks. At the same time, the availability of 512 unsolicited definitions (for the RSLinx and INTERCHANGE software packages) provides more flexibility and scalability for data interaction between the associated software and the module.

Other parameters: The module fits into the second left slot of the 1771-A1B, -A2B, -A3B, -A3B1, -A4B chassis and is connected to the processor. The clear mounting position specification helps users to accurately install the module in the system integration and ensures the structural integrity and stability of the system. The module’s keyless design simplifies installation by eliminating the need for complex keying operations. At 0.95 kg (2.1 lbs), the module’s moderate weight allows for easy installation, handling and maintenance.

Certifications: CSA Class I, Division 2, Groups A, B, C, D certified, indicating that the module complies with relevant electrical safety standards and is safe for use in certain hazardous environments; UL listed, further demonstrating the module’s reliability in terms of safety performance; and CE-marked, which complies with all applicable directives, meaning that the module The CE marking and compliance with all applicable directives means that the modules meet the relevant safety, health and environmental requirements of the European market and are qualified for sale and use in Europe.