DESCRIPTION
The Temperature Converter & Trip Amplifier D5273 accepts a low level dc signal from millivolt, thermocouple or 2-3-4 wire RTD or transmitting potentiometer sensors, located in Hazardous Area, and converts, with isolation, the signal to drive a Safe Area load, suitable for applications requiring SIL 2 level in safety related systems for high risk industries. Output signal can be direct or reverse. Modbus RTU RS-485 output is available on Bus connector. Cold junction compensation can be programmed as Internal: provided by an internal PT1000 sensor; Fixed: to a user-customizable temperature value; External remote: ext. RTD placed away, on a support terminal board; External local: ext. RTD placed close to the module terminal block. D5273S offers two independent trip amplifiers via two SPDT output relays.
FEATURES
SIL 2 / SC 3
Input from Zone 0/Div. 1
Installation in Zone 2/Div. 2
mV, TC, 2/3/4wire res./RTD or potentiometer input
Two independent Trip Amplifiers (SPDT relay contacts)
Inversion/scaling/custom output
Selectable CJC: internal PT1000, external RTD or fixed
Burnout/internal/cjc/in sensor fault monitor
Alarm output with user-settable trip points
Modbus RTU RS-485 for monitor & configuration
Fully programmable operating parameters
High Accuracy, µP controlled A/D converter
Three port isolation, Input/Output/Supply
CHANNELS
1
RELATED MODEL
D5072D
D5072D-087
D5072D-096
D5072D-099
D5072S
D5072S-087
D5072S-096
D5072S-099
D5273S
D5274S
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