Product Details:

The Emerson 1C31116G02 is an 8-channel rack-mounted loop powered analog input module designed for Emerson Ovation distributed control systems, widely deployed in thermal power plants and heavy industrial process automation. This loop powered card receives 0-20mA current signals from field pressure, flow and level transmitters, and draws operating power directly from the field current loop without extra auxiliary power supply. It converts continuous analog current signals into high-resolution digital data and transmits measurement values to the Ovation controller for closed-loop PID regulation and real-time current input monitoring of critical plant operating parameters. The built-in 250 ohm input resistor converts current signals into voltage for sampling, maintaining stable signal conversion even under fluctuating field loop conditions. It continuously monitors channel health status, detecting wiring open-circuit, short-circuit and loop failure faults, and sends diagnostic alerts to the Ovation operator workstation for maintenance scheduling. Built-in galvanic isolation and noise filtering circuits block electromagnetic interference and voltage transients from field cables, preventing signal distortion and measurement deviation in electrically noisy industrial environments. Industrial-grade precision analog components and rugged reinforced PCB layout are adopted, featuring strong anti-vibration performance and stable long-term operation under environments with dust, humidity and temperature fluctuation. It uses standard rack slot plug-in structure for simple installation and fast replacement during on-site maintenance, effectively cutting down equipment maintenance downtime. The Emerson 1C31116G02 cooperates with Ovation termination bases, CPU modules and rack power supplies to build complete Ovation DCS process control solutions. It is widely used in boiler flow and pressure parameter acquisition, turbine auxiliary instrument monitoring, chemical plant process variable tracking and oil & gas pipeline automation, delivering reliable loop-powered current signal acquisition and minimizing unexpected downtime of process production equipment.

Specifications

Brand: Emerson (Ovation)

Model: 1C31116G02

Product Type: 8 Channel Loop Powered Analog Input Module

Function: 0-20mA loop powered signal acquisition, analog to digital conversion, channel fault self-diagnosis

Application: Ovation distributed control rack system, power station, chemical plant, oil & gas pipeline automation

Feature: Loop powered design, 8 channel, galvanic channel isolation, rack slot mounting