Emerson 1C31161G02 Ovation RTD Input Module
Configured for precise temperature data acquisition in Ovation Distributed Control System networks, the Emerson 1C31161G02 (1C31161G02 RTD Input Module) provides direct physical/electrical execution. It supplies stable excitation current to Resistance Temperature Detectors (RTDs) and digitizes lead-compensated resistance measurements for real-time controller processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31161G02 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.45 kg |
| Dimensions | Standard Ovation I/O Module Form Factor |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard Ovation Backplane Bus Powered |
| Sensor Type | RTD (Pt100, Ni100) |
| System Interface | Ovation Controller Bus |
| Lead Wire Support | 3-wire and 4-wire configurations |
Cold Junction Compensation and Galvanic Isolation
Engineers utilize the 1C31161G02 module to process resistance variations across 3-wire and 4-wire RTD configurations while compensating for lead wire resistance. Integrated channel-to-channel isolation safeguards the internal Ovation backplane bus from ground loops and external field transients. Onboard signal conditioning circuits filter out high-frequency noise, ensuring precise analog-to-digital conversion and accurate temperature feedback for critical process loops.
Frequently Asked Questions
Q: How does the module eliminate measurement errors caused by field wire length?
A: The module utilizes 3-wire and 4-wire RTD connection topologies to measure and compensate for lead wire resistance directly within the signal conditioning stage.
Q: What precautions are necessary when hot-swapping the RTD module on an active chassis?
A: Field personnel must ensure terminal blocks disconnect or isolate properly and observe static grounding protocols before unseating the module from the backplane assembly.
Field Installation Guidelines
Mount the module directly into the target slot of the Ovation I/O chassis until the retention latches click into place. Route field sensor wiring using overall shielded twisted pair cables, terminating the shield to a single dedicated earth ground point at the enclosure bulkheads. Ensure standard NPT conduit connections maintain at least 5 full thread engagements for strain relief and mechanical protection. Run low-voltage RTD wiring in separate raceways away from AC power lines to minimize inductive interference.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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