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Product Overview
OVATION 1C31125G03 is a high-performance I/O module used in Emerson’s Ovation Distributed Control System (DCS), specifically designed for robust signal interfacing in critical industrial automation environments. Engineered for precision and reliability, the 1C31125G03 provides seamless analog input signal conversion, enabling the accurate measurement and monitoring of a wide range of process variables such as temperature, pressure, flow, and level.
This module is frequently utilized in power generation, water treatment, and other process control industries requiring high availability and accurate real-time data acquisition. Its modular design allows for easy installation, system scalability, and minimal downtime during maintenance or replacement.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 1C31125G03 |
| Brand | Emerson Ovation |
| Product Type | Analog Input Module |
| Input Type | 4–20 mA / 1–5 V / RTD / Thermocouple (varies) |
| Channels | 8 Channels |
| Resolution | 12-bit or higher (depending on config) |
| Input Accuracy | ±0.1% of full scale |
| Isolation | Channel-to-channel and channel-to-ground |
| Hot Swappable | Yes |
| Operating Voltage | 24 VDC (nominal) |
| Power Consumption | Approx. 4.5 W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Compliance | CE, UL, CSA |
| Dimensions | 240 mm × 115 mm × 35 mm (L×H×W) |
| Weight | Approx. 0.45 kg |
| Mounting | DIN Rail / Rack-based Mount |
Product Applications
The OVATION 1C31125G03 analog input module is widely deployed in the following industries:
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Power Generation (Thermal, Nuclear, Hydro): Precise process variable acquisition from critical field devices like RTDs, thermocouples, and pressure transmitters.
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Water and Wastewater Treatment Plants: For monitoring pH levels, pressure, turbidity, flow rates, etc.
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Petrochemical and Refining Industries: Used in safety and control loops for temperature and pressure monitoring.
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Steel and Cement Plants: For analog data monitoring and control in harsh industrial environments.
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Pulp and Paper Mills: To capture continuous process measurements for control optimization.
Product Advantages
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High Accuracy & Reliability: Delivers stable analog signal readings with low noise and drift.
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Modular Hot Swap Capability: Facilitates maintenance without interrupting the system.
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Wide Signal Compatibility: Supports a range of sensor types and signal inputs.
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Durable Design: Built to withstand demanding industrial conditions.
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Seamless Integration: Fully compatible with other Ovation DCS modules, enabling simple system expansions.
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Reduced Downtime: Fault-tolerant and redundant configurations supported.
Frequently Asked Questions (FAQ)
Q1: What types of signals does the 1C31125G03 accept?
A1: It accepts standard analog inputs including 4–20 mA current, 1–5 V voltage, thermocouple, and RTD signals.
Q2: Can the module be replaced without shutting down the system?
A2: Yes, it supports hot-swapping, allowing replacement during live operation.
Q3: Is the module suitable for harsh industrial environments?
A3: Yes, it operates reliably in wide temperature ranges and high humidity environments.
Q4: How many input channels are available on this module?
A4: The module supports up to 8 independent analog input channels.
Q5: What diagnostic capabilities are included?
A5: It includes onboard diagnostics for signal integrity, hardware status, and input loop monitoring.
Q6: What mounting options are available?
A6: It can be installed on a DIN rail or within a rack-mount Ovation chassis.
Q7: Is it compatible with older Ovation systems?
A7: Yes, it is backward-compatible with legacy Ovation controllers and software versions.
Q8: What are the calibration requirements?
A8: Factory-calibrated; however, periodic verification is recommended depending on the criticality of the application.
Q9: What standards does the module comply with?
A9: It meets CE, UL, and CSA certifications for industrial automation equipment.
Q10: Can this module detect sensor faults automatically?
A10: Yes, the built-in diagnostics can detect open circuits, short circuits, and signal abnormalities.
Recommended Models – Same Series or Related
| Model | Description |
|---|---|
| 1C31125G01 | Analog Input Module, earlier version |
| 1C31125G02 | Analog Input Module, legacy variant |
| 1C31129G03 | Analog Output Module, 8 channels |
| 1C31124G01 | Digital Input Module |
| 1C31110G03 | Power Supply Module |
| 1C31113G01 | Controller Module |
Popular Emerson Ovation Modules
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 1C31110G02 | Power Supply Module | – | 250×120×40 | 0.50 |
| 1C31113G01 | Controller Module | – | 260×130×40 | 0.55 |
| 1C31129G03 | Analog Output Module | 8 | 240×115×35 | 0.45 |
| 1C31169G02 | Digital Output Module | 16 | 240×115×35 | 0.43 |
| 1C31124G01 | Digital Input Module | 16 | 240×115×35 | 0.42 |
| 1C31166G02 | Network Communication Module | – | 250×120×40 | 0.47 |
