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Product Introduction
The Ovation 1C31113G02 Analog Input Module is a core component of Emerson’s Ovation™ Distributed Control System (DCS), providing high-accuracy analog input functionality for process industries. Designed to handle a variety of analog signal types, this module ensures precise data acquisition from field devices such as transmitters, sensors, and other instrumentation.
Known for its stability, noise immunity, and fast processing capabilities, the 1C31113G02 is trusted in critical process environments where accuracy and reliability are non-negotiable. The module offers seamless integration into Ovation control architecture, supporting high-speed communication with controllers and operator workstations.
With its modular and hot-swappable design, this analog input module simplifies maintenance and system expansion, making it suitable for modern and legacy Ovation systems alike.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 1C31113G02 |
| Product Type | Analog Input Module (AI) |
| Number of Channels | 8 channels per module |
| Input Signal Range | 4-20 mA, 0-10 V DC, ±10 V DC, thermocouple, RTD |
| Input Resolution | 16-bit ADC resolution |
| Isolation | 1500 V AC channel-to-bus and channel-to-channel |
| Update Rate | Configurable, typically <10 ms per channel |
| Accuracy | ±0.1% of full scale |
| Input Impedance | > 1 MΩ |
| Power Supply Voltage | 24 V DC nominal (supplied from rack) |
| Operating Temperature | 0°C to +60°C (32°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 5% to 95% non-condensing |
| Dimensions (WxHxD) | 45 x 120 x 200 mm |
| Weight | 0.28 kg |
| Mounting | Rack-mounted, hot-swappable |
| Certifications | CE, UL, CSA, FM Class I Div 2, ATEX |
Applications
The 1C31113G02 Analog Input Module is used in a wide range of industries where reliable process monitoring is critical:
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Power Generation: Boiler and turbine monitoring, emissions control, balance-of-plant instrumentation.
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Oil & Gas: Process variable monitoring in upstream, midstream, and refining applications.
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Chemical & Petrochemical: Reactor temperature, pressure, and flow measurement in continuous and batch processes.
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Water & Wastewater: Flow, level, and quality monitoring in water treatment plants.
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Pharmaceutical: Compliant process monitoring for GMP/validation purposes.
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Metals & Mining: Furnace control, pressure and flow monitoring in heavy industrial applications.
Advantages
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High Accuracy: 16-bit resolution ensures precise analog data acquisition for critical process control.
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Flexible Signal Support: Accepts current, voltage, RTD, and thermocouple inputs — reducing hardware variation across applications.
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Hot-Swappable Design: Modules can be replaced without shutting down the system, improving maintainability.
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High Isolation: Protects against ground loops and improves signal integrity.
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Fast Update Rates: Enables accurate control and timely process response.
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Ovation Integration: Seamless communication with Ovation controllers and workstations.
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Noise Immunity: Designed for industrial environments with excellent EMI/RFI performance.
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Space-Efficient: Compact module fits neatly into Ovation racks.
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Certified for Hazardous Areas: Meets global standards for use in Class I Div 2 and ATEX zones.
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Long Lifecycle: Backed by Emerson’s commitment to long-term DCS support and spare parts availability.
Frequently Asked Questions (FAQ)
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How many analog input channels does the 1C31113G02 module support?
It supports 8 independent analog input channels per module. -
What types of signals can this module handle?
It accepts 4-20 mA, 0-10 V DC, ±10 V DC, RTDs, and thermocouples. -
What is the resolution of the analog input?
The module provides 16-bit resolution for precise measurements. -
Does the module provide isolation?
Yes, the channels are isolated to 1500 V AC to ensure signal integrity. -
Is the module hot-swappable?
Yes, it can be removed and replaced without shutting down the system. -
What is the update rate of this module?
The update rate is configurable, with typical performance under 10 ms per channel. -
What is the operating temperature range?
The operating temperature range is 0°C to +60°C. -
Is it compatible with existing Ovation systems?
Yes, the 1C31113G02 integrates seamlessly with both legacy and modern Ovation systems. -
Is the module certified for hazardous areas?
Yes, it is certified for Class I Div 2 and ATEX hazardous area use. -
How is the module mounted?
It is rack-mounted in standard Ovation chassis, and supports hot-swap installation.
Recommended Related Models (Same Series or Similar Function)
| Model Number | Function / Description | Dimensions (WxHxD) mm | Weight (kg) | Notes |
|---|---|---|---|---|
| 1C31113G01 | Analog Input Module (older version) | 140 x 180 x 100 | 1.6 | Predecessor to 1C31113G02 |
| 1C31125G02 | Analog Output Module | 140 x 180 x 100 | 1.6 | For analog output signals (4-20 mA) |
| 1C31116G02 | Digital Input Module | 140 x 180 x 100 | 1.6 | Discrete digital inputs |
| 1C31129G03 | Digital Output Module | 140 x 180 x 100 | 1.6 | Discrete digital outputs |
| 1C31166G01 | Universal I/O Module | 140 x 180 x 100 | 1.6 | Supports both AI and DI functions |
| 1C31234G01 | High-Density Analog Input Module | 140 x 180 x 100 | 1.6 | Higher channel count AI module |
Popular Emerson/Ovation Models (Other Product Lines)
| Model Number | Product Type | Dimensions (WxHxD) mm | Weight (kg) | Description |
|---|---|---|---|---|
| OCX8800 | Oxygen Analyzer | 305 x 100 x 75 | 2.0 | Combustion process analyzer |
| Ovation OCC100 | Compact Controller | 300 x 200 x 120 | 4.5 | Compact version of Ovation controller |
| 1C31125G01 | Analog Output Module | 140 x 180 x 100 | 1.6 | 4-20 mA analog outputs |
| DeltaV CHARMs IO | Flexible I/O Module | Various | – | Used in DeltaV DCS systems |
| AMS Trex Communicator | Portable Field Communicator | Handheld | 1.2 | For field device configuration |
| Ovation SCADA | SCADA and HMI software | Software-only | – | Supervisory control for remote assets |
