Overview
The Emerson Ovation 1C31129G04, also cataloged as the 1C31129G04 Analog Output Electronic Module, operates as a dedicated hardware component for isolated 0 to 20 mA signal generation within the Emerson Ovation Distributed Control System.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31129G04 |
| Brand | Emerson |
| Origin | USA |
| Weight | Not specified |
| Dimensions | Not specified |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Approx. 4 W typical, 6 W maximum |
| System Platform | Emerson Ovation Distributed Control System |
| Module Type | Analog Output Electronic Module |
| Output Channels | 4 isolated analog output channels |
| Output Signal | 0 to 20 mA current output |
| Diagnostic Function | Without diagnostics |
| Resolution | 12 bit digital-to-analog converter |
| Update Time | Approximately 1.5 ms for four channels |
| Accuracy | 0.1% of full scale at 25 deg C |
| Temperature Coefficient | 30 ppm/deg C |
| Channel Isolation | 1000 V AC/DC |
| Channel to Logic Isolation | 1000 V AC/DC |
| Output Load Range | 0 Ohm to 750 Ohm |
| Communication Interface | Optically isolated serial interface |
| Associated Personality Module | 1C31132G01 |
| Certification | CE Mark certified systems |
Process Control Current Loop Interface Characteristics
The Emerson Ovation 1C31129G04 performs digital command conversion from the Ovation controller into field-level analog current outputs. The module uses a 12 bit DAC architecture with optical isolation between controller communication and output circuitry.
The module supports four independent current output channels for analog regulation loops. Moreover, the isolated channel design separates field signal paths from internal logic circuits to reduce electrical interference during operation.
For Emerson Ovation I/O applications, the module interfaces with field devices through the compatible 1C31132G01 Personality Module. The output circuit supports current loop devices including valve positioners, actuators, and analog control equipment.
Frequently Asked Questions
Q: What analog output range is supported by the 1C31129G04 module?
A: The module provides four isolated analog output channels with a 0 to 20 mA current output range without onboard diagnostics.
Q: Does the 1C31129G04 include channel diagnostics?
A: No. The G04 version provides 0 to 20 mA analog output operation without diagnostic functionality.
Q: Which field connection module is required for the 1C31129G04?
A: The module requires the Emerson Ovation 1C31132G01 Personality Module for field wiring connection.
Field Installation Guidelines
Install the Emerson Ovation 1C31129G04 in a compatible Ovation I/O rack according to Emerson system installation procedures.
Verify that the associated 1C31132G01 Personality Module is correctly installed before connecting field wiring. Maintain proper separation between analog signal wiring and high-voltage power conductors to reduce electromagnetic interference.
Use appropriate grounding methods for the I/O rack and shielded cables where required by the field device installation design. Confirm module seating, backplane connection, and power availability before commissioning the analog output channels.
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