1C31232G02 | Emerson Ovation | Differential Analog Input Module

Product Summary

The Emerson Ovation 1C31129G01 is a 0-5V DC Analog Output Module for the Emerson Ovation distributed control system (DCS). It provides 0-5V DC voltage output signals for controlling field actuators, variable frequency drives, and other voltage-controlled devices in industrial process control applications.

Core Specifications

• Model Number: 1C31129G01
• Type: 0-5V DC Analog Output Module (EM)
• Output Signal: 0–5 V DC
• Resolution: 16-bit (per supplier documentation)
• Accuracy: ±0.1% of full scale
• Load Capacity: Voltage output (minimum load resistance per channel)
• Isolation: Channel-to-channel and channel-to-system
• Power Supply: 24V DC
• Dimensions: 12.1 × 5.4 × 14 cm (per dcsmodule.com)
• Weight: 0.3 kg (per dcsmodule.com)
• Manufacturer: Emerson (formerly Westinghouse)

Key Features

• 0-5V DC voltage output for precise actuator and drive control
• 16-bit resolution for high-accuracy analog control signals
• Individual channel isolation prevents ground loops
• Compatible with voltage-controlled field devices
• Rack-mountable for standard Ovation I/O cabinet installation

Environmental Limits

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Humidity: 0% to 95% RH, non-condensing

Frequently Asked Questions

What is the 1C31129G01 used for?

It is a 0-5V DC analog output module for Emerson Ovation DCS, providing voltage control signals to field actuators, VFDs, and other voltage-controlled devices.

What does the -G01 suffix mean?

The -G01 indicates the 0-5V DC output range. The 1C31129 series has multiple variants for different output ranges.

What is the difference between 1C31129G01 and 1C31129G02?

The 1C31129G01 outputs 0-5V DC. The 1C31129G02 outputs 0-10V DC. Both are Electronics Modules (EM) with identical hardware but different output scaling.

What is the difference between 1C31129G01 and 1C31129G03?

The 1C31129G01 is a voltage output module (0-5V). The 1C31129G03 is a current output module (0-20mA with diagnostics).

Installation Guide

Safety Precautions

• De-energize the Ovation rack before installation
• Use proper ESD protection when handling the module
• Verify field device voltage compatibility (0-5V DC max)

Step-by-Step Procedure

1. Power down the Ovation I/O rack
2. Align the module with the rack slot and insert firmly
3. Secure the module retaining clips
4. Connect 0-5V field wiring to the terminal base unit
5. Power up and verify module status LEDs
6. Calibrate output channels via Ovation engineering station

Selection Tips

• Verify field actuator input is 0-5V DC (not 0-10V or 4-20mA)
• For 0-10V applications, select 1C31129G02 instead
• For 4-20mA current output, select 1C31129G03 (with diagnostics) or G04 (without)
• Ensure load resistance is compatible with voltage output drive capability

Related Part Numbers

• 1C31129G01 — 0-5V DC Analog Output (EM) (this part)
• 1C31129G02 — 0-10V DC Analog Output (EM)
• 1C31129G03 — 0-20mA Analog Output w/Diagnostics (EM)
• 1C31129G04 — 0-20mA Analog Output w/o Diagnostics (EM)
• 1C31132G01 — Analog Output (PM)
• 1C31132G02 — Analog Output (PM)