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Emerson Ovation 1C31129G03 Analog Output Module

Emerson Ovation 1C31129G03 Analog Output Module

Product Description

The Emerson 1C31129G03 is a high-performance analog signal conditioning module for the Ovation DCS. This 4-channel analog output card is designed for precise modulation of field devices like proportional valves, VFDs, and other actuators requiring...

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Availability: Low stock: 99 left

SKU: 1C31129G03
Vendor: Emerson
Category: Analog Output Module
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Product Description

The Emerson 1C31129G03 is a high-performance analog signal conditioning module for the Ovation DCS. This 4-channel analog output card is designed for precise modulation of field devices like proportional valves, VFDs, and other actuators requiring stable 4–20 mA current loops. It utilizes 16-bit resolution to deliver granular control in demanding environments such as power generation and water treatment utilities. Each channel is galvanically isolated, ensuring immunity to ground loops and electrical noise, and can operate across a wide thermal range.

Detailed Technical Specifications

Specification Details
Part Number 1C31129G03
Module Function Analog Output (Current Loop)
Channel Density 4 Independent Channels
Output Signal Range 4–20 mA
Digital-to-Analog Resolution 16 bits
Output Accuracy 0.19% of Full Scale
Signal Isolation Individual channel isolation for noise immunity
System Interface Integrated Ovation I/A Series backplane bus
Operational Temperature -40°C to +70°C (-40°F to +158°F)
Chassis Footprint 216 mm (W) x 330 mm (H) x 133 mm (D)
Module Weight 0.6kg

Industrial Application Scenarios

The 1C31129G03 is commonly used in utility-scale boiler controls, turbine bypass systems, and other industrial applications where signal fidelity is critical for maintaining operational stability, preventing mechanical oscillations in control valves, and optimizing plant heat rates.

Engineering FAQ

  • Does this module require external loop power for the 4-20 mA signals?
    No, the 1C31129G03 drives the loop using internal power via the Ovation backplane, eliminating the need for external power sources for passive actuators.

  • How does the module handle a loss of communication with the controller?
    The Ovation software allows configuring "Fail-Safe" states, enabling outputs to either hold their last value or drop to a specified safety level (e.g., 4 mA or 0 mA) upon bus failure.

  • Is this module compatible with older Westinghouse WDPF systems?
    The 1C31129G03 is optimized for the Ovation platform. Compatibility with older WDPF systems should be verified based on controller firmware and backplane revision.