Robert Owen Inc.
Sensor Signal Conditioning,
ROI-XMA LOOP POWERED 4-20mA POTENTIOMETER TRANSMITTER
READ POTENTIOMETERS WITH YOUR PLC
(excluding tax & shipping)
Potentiometer 4-20mA 2 wire loop powered transmitter
The ROI-XMA series is a versatile family of loop powered 4-20mA potentiometer transmitters. They are simple to use and simple to install sensor amplifiers. Pluggable connections and pluggable mounting. Unit is purchased scaled ready to use, potentiometer or rehostat percentage is converted to 4-20mA. Can be used with: data acquisition systems, PLC systems, SCADA systems, and more.
Versions can be provided for potentiometers with resistances (max), between 1K ohm and 10K ohm impedance. Signal range can be custom scaled to alternate spans within potentiometer range.
MOUNTING: 35mm DIN rail or surface mountable snap on base
SUPPLY RANGE: 7.5 TO 36Vdc, reverse connection protected
SIGNAL OUTPUT: 4-20mA ( LOOP POWERED )**
CONNECTIONS: 30-12awg wire
INPUT RESISTANCE RANGE: 1K to 10K ohm
INPUT TYPE: potentiometer
INPUT IMPEDANCE: differential mode 0.1 G Ohms ||1 pf / common mode 5 G Ohms||10 pf
INPUT EXCITATION: 2.5V (@2.5mA max)
DIMENSIONS: 4.510 X 1.258 X 3.948 (height above rail) LWH***
* Loop termination resistor required when used with voltage ADC
** 4-20mA signal uses a 2 wire connection. Potentiometer transmitter output is connected in series, with supply and measurement device.
*** Mated connector adds additional 3/8” to height.
Use spare PLC 4-20mA inputs for potentiometer measurement, with the ROI-XMA potentiometer transmitter. ROI-XMA potentiometer transmitters allow the simple measurement of industry standard potentiometers. Existing potentiometers can be connected to modern control systems. String pots, linear and rotary potentiometer measurement; the ROI-XMA potentiometer transmitter can add potentiometer measurement to a PLC.
1K-10K ohm Resistance 4-20mA 2 wire loop powered sensor transmitter
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Robert Owen Inc.
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