Emerson Ovation 1C31132G01 Thermocouple Analog Input Module
Manufacturer: Emerson
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Part Number: 1C31132G01
Condition：New with Original Package
Product Type: Analog Input Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson 1C31132G01 Ovation Series Thermocouple Analog Input Module
Configured for precise low-level voltage signal acquisition in Ovation distributed control systems, the Emerson 1C31132G01 (1C31132G01 Thermocouple Analog Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31132G01 |
| Brand | Emerson |
| Module Type | Thermocouple Analog Input Module |
| Input Channels | 8 thermocouple inputs + 1 cold junction compensation (CJC) channel |
| Compatible Signal Ranges | +/-20 mV, +/-50 mV, +/-100 mV (electronics module dependent) |
| Resolution | +/-0.5 deg C (+/-0.9 deg F) |
| Accuracy | +/-0.5 deg C over 0 deg C to +70 deg C range |
| Sampling Rate | Typical: 300 ms; Maximum: 600 ms |
| Isolation | 1000 V AC/DC channel-to-logic |
| Noise Rejection | Common-mode: 120 dB; Normal-mode: 60 dB at 50/60 Hz |
| Operating Temp | 0 deg C to +60 deg C (32 deg F to 140 deg F) |
| Storage Temp | -40 deg C to +85 deg C (-40 deg F to 185 deg F) |
| Humidity Range | 0% to 95% RH (non-condensing) |
| Mounting Type | Rack-mounted (requires terminal block cover such as 1C31207H01) |
| Compatible Electronics | 1C31113G01 (+/-20 mV), 1C31113G02 (+/-50 mV), 1C31113G03 (+/-100 mV) |
| Weight | 2 kg |
Cold Junction Compensation and Channel Isolation
The module incorporates an integrated sensor to achieve automatic cold junction compensation (CJC), dynamically adjusting for ambient temperature shifts at the terminal connection point. Electrical isolation of 1000 V AC/DC is maintained between the input channels and the internal logic circuitry to eliminate ground loop currents and prevent common-mode voltage spikes from degrading measurement accuracy across the distributed control system network.
Frequently Asked Questions
Q: Can the 1C31132G01 module be hot-swapped while the Ovation controller is active?
A: Yes. The hardware supports hot-swappable installation and removal, allowing module replacement without de-energizing the backplane or interrupting adjacent active I/O channels.
Q: What determines the physical voltage input ranges of the thermocouple channels?
A: The voltage range is defined by the paired terminal block electronics module. It supports +/-20 mV, +/-50 mV, or +/-100 mV configurations when matched with the 1C31113G01, 1C31113G02, or 1C31113G03 modules respectively.
Q: How is noise minimized on low-level millivolt thermocouple signals?
A: Signal noise is suppressed through hardware filtering, providing 120 dB of common-mode rejection and 60 dB of normal-mode rejection at 50/60 Hz grid frequencies.
Field Installation Guidelines
- Ensure the module is mounted securely into the rack using compatible terminal block covers, such as model 1C31207H01, to maintain structural stability.
- Route all low-level thermocouple signal wiring through dedicated, grounded conduit away from high-voltage AC lines to prevent electromagnetic interference.
- Connect shield lines to the designated cabinet ground bar rather than looping them through the module terminal block.
- Observe standard ESD safety protocols and clean handling practices to protect the backplane gold pin connectors from debris or chemical contaminants prior to insertion.