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Product Introduction
The Ovation 1C31224G02 is a high-performance Analog Input (AI) Module engineered by Emerson for its Ovation Distributed Control System (DCS). This module plays a vital role in capturing analog signals from various field devices such as transmitters, thermocouples, and sensors, and converting them into digital values for real-time monitoring, analysis, and control.
As part of the Ovation I/O subsystem, the 1C31224G02 is designed to offer precision signal acquisition, fast response time, and excellent noise immunity, making it suitable for high-integrity control environments such as power generation, water treatment, petrochemical, and industrial automation systems. The module supports multiple analog input types and ensures seamless integration with Emerson’s control infrastructure.
With robust electrical design, fault detection capabilities, and software-configurable parameters, this module ensures both operational flexibility and system-wide reliability.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 1C31224G02 |
| Product Type | Analog Input Module (AI) |
| System Platform | Emerson Ovation DCS |
| Input Signal Types | 4–20 mA, 0–10 V, ±10 V, thermocouple (optional), RTD (optional) |
| Channel Count | 8 differential analog inputs |
| Resolution | 16-bit |
| Sampling Rate | Configurable, up to 100 ms per channel |
| Input Impedance | > 250 Ω (current); > 10 kΩ (voltage) |
| Isolation | Channel-to-channel and channel-to-system isolation |
| Accuracy | ±0.1% of span (typical) |
| Power Supply | 24 VDC from backplane |
| Diagnostics | Open circuit, short circuit, signal loss detection |
| Configuration | Software-configurable via Ovation system |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5–95% non-condensing |
| Mounting Type | Plug-in module (rack-mounted) |
| Dimensions (H × W × D) | 175 × 35 × 150 mm |
| Weight | 0.45 kg |
| Certifications | CE, UL, CSA, RoHS compliant |
Product Applications
The Ovation 1C31224G02 module is deployed in a wide range of critical industries where precise analog measurement is required. Some of its key application areas include:
-
Power Generation
Used to monitor steam pressure, turbine speeds, condenser levels, and other vital analog signals in fossil, hydro, and nuclear plants. -
Water and Wastewater Treatment
Acquires continuous data from pH sensors, flow meters, tank level indicators, and chemical dosing systems. -
Oil & Gas
Measures pipeline pressure, flow rates, and reservoir conditions, contributing to real-time safety and performance monitoring. -
Chemical Processing
Captures temperature, concentration, and reaction variables in batch and continuous processing units. -
Pharmaceutical and Food Industries
Used in cleanroom environments to monitor temperature, humidity, and pressure for regulated process validation. -
Metals and Mining
Acquires sensor data related to pressure, feed rates, and energy consumption in heavy industrial operations.
Product Advantages
-
High Signal Accuracy
Delivers 16-bit resolution with ±0.1% accuracy for precise analog signal monitoring and control. -
Flexible Signal Support
Compatible with a wide range of input signal types including current, voltage, and optional RTD/thermocouple inputs. -
Integrated Channel Isolation
Prevents signal interference and ground loops by isolating each channel from system and other inputs. -
Advanced Diagnostics
Automatically detects signal loss, wire breaks, and input short conditions—helping to reduce troubleshooting time. -
Plug-and-Play Integration
Installs directly into Ovation racks with no need for external wiring changes—supporting quick system upgrades. -
Industrial-Grade Design
Engineered to operate in demanding conditions with wide temperature and humidity tolerance.
Frequently Asked Questions (FAQ)
1. What types of input signals are supported by the 1C31224G02 module?
It supports standard analog input types including 4–20 mA, 0–10 V, ±10 V, and may be configured for RTD or thermocouple inputs depending on system setup.
2. Can the module handle noisy field signals in industrial environments?
Yes. It is designed with noise suppression, differential input support, and channel isolation to minimize the effects of electrical noise.
3. How many channels are available on this module?
The module offers 8 differential input channels, each of which can be configured individually.
4. Is signal scaling or range adjustment available?
Yes. Each channel can be scaled and ranged through the Ovation system software to match the input device specification.
5. Can I use this module in conjunction with older Ovation I/O racks?
Yes. It is compatible with standard Ovation I/O rack assemblies and backplane connections.
6. Does the module support open circuit detection for 4–20 mA loops?
Yes. It has built-in diagnostics that detect loop failures, open circuits, and shorted inputs.
7. How is the module configured?
All settings, including input type, scaling, and diagnostics, are configured via the Ovation DCS engineering tools.
8. What kind of isolation is provided between channels?
Each input channel is electrically isolated from others and from system electronics to prevent signal contamination.
9. Can the module be removed while the system is powered?
No. For safety and system integrity, the module should be inserted or removed only when the system is powered down.
10. What maintenance is required for this module?
Minimal maintenance is needed—routine visual inspection and periodic signal integrity verification through system diagnostics are sufficient.
Related Models (Same Series or Signal Function)
| Model | Description | Channels | Signal Type | Form Factor |
|---|---|---|---|---|
| 1C31224G01 | Analog Input Module (legacy version) | 8 | 4–20 mA, 0–10 V | Plug-in |
| 1C31110G03 | High-density AI module | 16 | Analog current/voltage | Plug-in |
| 1C31129G03 | RTD Input Module | 8 | Pt100, 3-wire RTD | Plug-in |
| 1C31113G01 | Thermocouple Input Module | 6 | Type J/K/T | Plug-in |
| 1C31223G01 | Isolated AI Module for high-noise environments | 8 | Analog | Plug-in |
| 1C31250G01 | HART AI Module | 8 | 4–20 mA + HART | Plug-in |
Popular Emerson Ovation Models (Different Categories)
| Model | Category | Description | Primary Use |
|---|---|---|---|
| 5X00106G01 | CPU Module | Main control processor for Ovation DCS | Central logic execution |
| 1C31197G04 | Valve Positioner Module | Controls and monitors control valves | Actuation and feedback |
| 1C31194G01 | Analog Output Module | 2-channel 4–20 mA analog output | Valve and actuator control |
| 1C31125G01 | Digital Input Module | 16-channel discrete input | Field status acquisition |
| 1C31238G01 | Ethernet Network Interface | Network communication module | Ovation system integration |
| 1C31206G01 | 4-Slot Rack Base Assembly | Modular base for I/O modules | Signal and power backplane |
