1C31233G02 Emerson Analog Input Module

1C31233G02 Emerson Analog Input Module | New & Original Stock

Availability: 99 left in stock

Emerson 1C31233G02 Ovation Series The Emerson 1C31233G02, also cataloged as the 1C31233G02 Analog Input Module, operates as a dedicated hardware...

SKU: 1C31233G02

Manufacturer: Emerson
Product No.: 1C31233G02
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 3000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Emerson 1C31233G02 Ovation Series

The Emerson 1C31233G02, also cataloged as the 1C31233G02 Analog Input Module, operates as a dedicated hardware component for converting analog field signals into digital data within Ovation Series platforms.

Hardware Specifications

Parameter	Specification
Model	1C31233G02
Brand	Emerson / Westinghouse
Origin	United States
Weight	3 kg
Dimensions	30 cm x 20 cm x 25 cm
Operating Temp	-20 to +70 deg C
Power Consumption	24 VDC nominal (rack powered)
Input Channels	32 analog input channels
Signal Configurations	4-20 mA current loop, 0-10 VDC voltage
A/D Conversion	12-bit or 16-bit resolution
Conversion Accuracy	+/-0.1% of full scale
Galvanic Isolation	2500 VDC channel-to-backplane isolation
Sampling Performance	Up to 1000 samples per second

Process Control and DCS Instrumentation

The module handles distributed data acquisition by routing 32 separate analog field lines through an integrated A/D conversion matrix. A continuous 2500 VDC channel-to-backplane isolation barrier electrically decouples the input processing circuits from the master logic bus. This physical separation prevents localized ground loop propagation and common-mode noise surges from degrading the system backplane, enabling accurate signal validation of 4-20 mA HART loop protocol instruments and voltage transmitters at a continuous sampling velocity of up to 1000 samples per second.

Frequently Asked Questions

Q: How does the 1C31233G02 handle physical field wiring loop disruptions?

A: The onboard processing layer executes continuous open-loop monitoring and built-in fault detection. If a field wire breaks or a signal drops below the standard 4-20 mA threshold, the module flags the channel status register across the backplane bus.

Q: What is the primary function of the high-voltage galvanic isolation barrier?

A: The module embeds a 2500 VDC isolation interface between the field circuitry and the internal backplane logic. This blocks high-voltage transients, electrical noise, and cross-channel interference from damaging the central Ovation controller processors.

Q: Is external power wiring required to operate the module's internal conversion circuits?

A: No, the module's processing components are rack-powered. The device derives its required operating voltages directly from the 24 VDC nominal supply rails embedded in the Ovation chassis backplane assembly.

Field Installation Guidelines

Chassis Engagement and Fastening: Align the module along the vertical guide rails of the designated Ovation remote node or controller rack slot. Slide the unit inward until the rear pins seat into the backplane, then lock the integrated mechanical hardware.
Instrumentation Shield Grounding: Terminate the shield drain wires of all 4-20 mA twisted pairs directly at the single master copper instrumentation grounding bar inside the enclosure. Do not connect shields at both ends to avoid generating circulating earth currents.
Signal Path Cable Segregation: Route all 32 analog input signal lines through low-voltage wiring trays separate from parallel AC lines, motor starter conductors, or variable frequency drive cables to suppress electromagnetic noise induction.

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