Description

The 1900/65A General Purpose Equipment Monitor is  designed to continuously monitor and protect equipment that is used in a variety of applications and industries.  The monitor’s low cost makes it an ideal solution for general purpose machines and processes that can benefit from continuous monitoring and protection.

Inputs

The 1900/65A provides four transducer inputs and four temperature inputs.  Software can configure each transducer input to support 2- and 3-wire accelerometers, velocity sensors or proximity sensors.  Each temperature input supports Type E, J, K, and T thermocouples, and 2- or 3-wire RTDs.

Outputs

The 1900/65A provides six relay outputs, four 4-20 mA recorder outputs, and a dedicated buffered output.  The user can use the 1900 Configuration software to configure the relay contacts to open or close according to the OK, Alert and

Danger statuses of any channel or combination of channels, and to provide data from any variable from any channel on any recorder output.  The dedicated buffer output can provide the signal for each transducer input.

A Modbus Gateway option allows the monitor to provide static variables, statuses, event list, time and date information directly to any Modbus client, including Distributed Control Systems (DCSs), Supervisory Control and Data Acquisition (SCADA) systems, Programmable Logic Controllers (PLCs), or System 1 software.  The monitor uses an internal counter and a Modbus client/master time reference to generate time and date information.  Users can upgrade monitors without the Modbus Gateway by ordering the 1900/01 Communications Upgrade (see the Ordering Information section).  The 1900/65A supports Modbus communications via Ethernet and a software-configurable RS232/485 serial port.

Configuration

The user defines monitor operation and the Modbus Gateway register map by using

software running on a laptop or PC to create a configuration file and download the file to the monitor through the built-in Ethernet connection.  The 1900/65A permanently stores configuration information in non-volatile memory, and can upload this information to the PC for changes.

Display Module

The 1900/65A supports an optional display/keypad to view channel information or

make minor configuration changes. This allows the 1900/65A to operate as a stand-alone package.  If desired, the user can mount the display up to 75 metres (250 feet) from the Monitor Module.

Specifications

Inputs

Transducer Inputs

Users can configure Channels 1 through 4 to accept input from acceleration, velocity or displacement transducers.

Transducer Channel Types

Channel Types define the functionality for processing that will be applied to an input signal and the kind of variables or measurement values that will be derived from this input.  Channel Types also define the kind of sensor that must be used.  Transducer Channel Types include:

Acceleration or Reciprocating Acceleration

Velocity or Reciprocating Velocity

Radial Vibration (shaft vibration)

Thrust (shaft axial displacement)

Position

Speed

Acceleration and Reciprocating Acceleration Channel Types

The Acceleration Channel Type and Reciprocating Acceleration Channel Type support two- and three-wire acceleration sensors.  The Reciprocating Acceleration

channel type has timed OK channel defeat disabled.

Acceleration Variables and Reciprocating Acceleration Variables

Acceleration Variables and Reciprocating Acceleration Variables are filtered and

processed measurements from raw transducer signals.  The Acceleration

Channel Type and Reciprocating Acceleration Channel Type continuously processes up to four variables per channel.

Vibration：Up to three bandpass filtered amplitude measurements.

Acceleration ：Users can apply the acceleration enveloping algorithm to one Acceleration or Reciprocating Acceleration Variable.

Enveloping：Bias Voltage Users may assign the value of the transducer bias voltage to any of the variables.

Filters

Vibration Variable： 0.5 Hz – 25 kHz configurable 4-pole high pass, 4-pole low-pass

Enveloping High-Pass：25 Hz to 5 kHz, configurable 4-pole

Enveloping Low-Pass：125 Hz to 25 kHz, configurable 2-pole

Enveloped Variable High Pass： 0.1 Hz min., but greater than Enveloped Variable low-pass 2-pole

Enveloped Variable Low Pass：Greater than Enveloped Variable high-pass and less than Enveloping high-pass 4-pole

Bias Filter：0.01 Hz 1-pole low-pass

OK Filter：2.4 kHz 1-pole low-pass

Full Scale Range

Vibration：20 to 500 m/s2 (2 to 50 g) peak and RMS

Enveloped：20 to 500 m/s2 (2 to 50 g) peak and RMS

Integrated：10 to 100 mm/s (0.4 to 4 in/s) peak and RMS

Bias Voltage：-24 V

Accuracy

Vibration Variables： ±1% of full scale range

Input Impedance

3-wire Voltage Mode;10 kΩ

Velocity and Reciprocating Velocity Channel Type

The Velocity Channel Type and Reciprocating Velocity Channel Type support two-wire and three-wire piezo velocity sensors.

Velocity Variables and Reciprocating Velocity Variables

Velocity Variables and Reciprocating Velocity Variables are filtered and processed measurements from raw transducer signals.  The Velocity Channel Type and Reciprocating Velocity Channel Type support up to four continuously calculated variables per channel.

Vibration

Up to three bandpass filtered amplitude measurements

Bias Voltage

Users may assign the value of the transducer bias voltage to any of the variables.

Configurable Options

Each variable is independently configured with the following options.

Vibration Variables:

Peak or RMS Metric or English units

Filter corner frequencies

Full-scale range

Velocity integrated to displacement

Filters

Vibration Variables:0.5 Hz to 5.5 kHz, configurable 8-pole high pass, 4-pole low-pass

Bias Filter:0.09 Hz 1-pole low-pass

OK Filter:2.4 kHz 1-pole low-pass

Full Scale Range

Vibration:10 to 50 mm/s (0.5 to 2 in/s) peak and RMS

Integrated:100 to 500 μm (5 to 20 mils) peak to peak

Bias Voltage:-24 V

Accuracy

Vibration Variables: ±1% of full scale range

Input Impedance

3-Wire Voltage Mode:10 kΩ

Compliance and Certifications

FCC

This device complies with part 15 of the FCC Rules.

Operation is subject to the following two conditions:

This device may not cause harmful interference.

This device must accept any interference received, including interference that may cause undesired operation.

EMC

EN 61000-6-2: 2005  

EN 61000-6-4: 2007 +A1:2001

EMC Directive 2014/30/EU

Electrical Safety

EN 61010-1: 2010

LV Directive 2014/35/EU

ATEX

EN 60079-0: 2012

EN 60079-15: 2010

ATEX Directive 2014/34/EU

RoHS

RoHS Directive 2011/65/EU

Maritime

ABS 2009 Steel Vessels Rules

1-1-4/7.7,4-8-3/1.11.1,4-9-7/13

Hazardous Area Approvals

This monitor is not certified for installation in Class 1 Div 1 locations, but it will support transducers installed in Div 1 locations via the use of galvanic isolators and barriers. If galvanic isolators are used, no change is necessary to the installation. A removable ground jumper allows the monitor to support zener barrier installations. Removing the jumper will disconnect circuit common from chassis at the monitor so that chassis can be connected at the barrier.

Special Considerations

Hazardous area installations require relay contact voltages below 30 Vac rms, or 30 Vdc to minimize hazard.Hazardous area installations require relay contact amperages  below 5 Amps DC, or AC to minimize hazard

Hazardous Area Approvals

This monitor is not certified for installation in Class 1 Div 1 locations, but it will support transducers installed in Div 1 locations via the use of galvanic isolators and barriers. If galvanic isolators are used, no change is necessary to the installation. A removable ground jumper allows the monitor to support zener barrier installations. Removing the jumper will disconnect circuit common from chassis at the monitor so that chassis can be connected at the barrier.

Special Considerations

Hazardous area installations require relay contact voltages below 30 Vac rms, or 30 Vdc to minimize hazard.Hazardous area installations require relay contact amperages  below 5 Amps DC, or AC to minimize hazard