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Technical specifications for 1C31129G03
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Manufacturer:Emerson
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Product Category:DCS Systems
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Spare Part Number:1C31129G03
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Estimated shipping dimensions:12.1x5.2x16.6cm
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Weight:0.36 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Outputs:4 isolated analog channels
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Current range:0-20 mA; 4-20 mA selectable in I/O Builder
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Diagnostics:Current-output diagnostics included
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Conversion:12-bit serial digital-to-analog converters
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Channel update:All four channels updated every 1.5 ms
Information
Overview
Manuals
Common Applications
Product Precautions
Westinghouse 1C31129G03 generates four isolated Ovation current outputs with diagnostics for continuous process-control signals.
- Provides four isolated output channels for the documented analog output electronics module function.
- Handles 0-20 mA or configured 4-20 mA control output through the specified Ovation I/O subsystem.
- Works with 1C31132G01 analog-output personality module.
- Optically isolated serial control separates the logic interface from the field-output circuits.
The analog output electronics module belongs in the controlled Ovation I/O subsystem and works with 1C31132G01 analog-output personality module. Its field connection, companion hardware and project configuration must be reviewed together before the channel is returned to service.
Important Notice: Use 1C31129G03 only with 1C31132G01 analog-output personality module; verify the field interface and controlled configuration before energizing the subsystem.
Westinghouse 1C31129G03 Manuals & Downloads
Westinghouse 1C31129G03 Official Technical Reference Excerpt (PDF)Westinghouse 1C31129G03 Installation & Commissioning Guide (PDF)
The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
Installed-base maintenance
Restores the documented analog output electronics module position without changing the approved system architecture.
Loop or channel service
Supports verification of 0-20 mA or configured 4-20 mA control output at the assigned control-system channel.
Planned replacement
Provides an exact-identity replacement path when 1C31132G01 analog-output personality module and the field interface have been confirmed.
Commissioning support
Allows the responsible engineer to prove wiring, configuration, status and response for four isolated output channels.
Before installing Westinghouse 1C31129G03, confirm the documented system, interfaces and controlled configuration.
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Match the complete 1C31129G03 marking to the work order and installed position before removal.
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Confirm 1C31132G01 analog-output personality module before making or breaking any field connection.
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Keep the assigned 0-20 mA or configured 4-20 mA control output within the documented subsystem and range.
4
Record terminal designations, polarity, common and shield treatment before disconnecting conductors.
5
Inspect module seating, connector keying, terminal condition and strain relief before power is restored.
6
Restore the controlled channel configuration, range selection and alarm or timeout behavior after installation.
7
Check local indicators and controller diagnostics for internal, communication or channel faults during commissioning.
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Prove the intended response across four isolated output channels and record the acceptance result before release.
Technical notes
Use 1C31129G03 only with 1C31132G01 analog-output personality module; verify the field interface and controlled configuration before energizing the subsystem.
FAQ View All FAQ
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What analog-current ranges can Westinghouse 1C31129G03 generate?Each of its four outputs can operate over 0–20 mA, with 4–20 mA selectable in I/O Builder.
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How quickly are all Westinghouse 1C31129G03 channels refreshed?All four output channels are updated every 1.5 ms.
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What converter resolution is used by Westinghouse 1C31129G03?The module uses 12-bit serial digital-to-analog converters for its current outputs.
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Which personality module completes a Westinghouse 1C31129G03 output assembly?The matching field-interface module is 1C31132G01.
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Are Westinghouse 1C31129G03 output channels isolated?Yes. Four isolated analog channels separate the current-loop circuits from one another.
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What diagnostic capability accompanies Westinghouse 1C31129G03 current outputs?The documented design includes current-output diagnostics so an abnormal output path can be detected by the control system.
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When should 4–20 mA be selected instead of 0–20 mA for Westinghouse 1C31129G03?Use the 4–20 mA setting when the controlled device and project configuration require a live-zero signal; the I/O Builder selection must match the field loop.
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How should a Westinghouse 1C31129G03 replacement be functionally tested?Drive each isolated channel through several commanded values, confirm the measured loop current and review the module diagnostics for all four outputs.
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