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Product Overview
The Ovation 1C31142G01 Contact Input Module is a high-reliability input component designed for Emerson’s Ovation Distributed Control System (DCS). Tailored to monitor and process discrete input signals such as those from pushbuttons, limit switches, and relay contacts, this module plays a critical role in automation and control environments. Known for its robustness, accuracy, and seamless integration capabilities, the 1C31142G01 supports real-time monitoring and data acquisition across industrial systems.
This module is specifically engineered to handle on/off signals efficiently and is often used in power generation, process control, water treatment, and oil & gas applications. Its compact design, secure connectors, and precise signal isolation ensure safe and effective field signal collection, forming the backbone of industrial decision-making and safety logic systems.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | 1C31142G01 |
| Manufacturer | Emerson Process Management (Ovation Series) |
| Function | Discrete (Contact) Input Module |
| Input Type | Dry Contact (On/Off signal detection) |
| Channels | 32 digital input channels |
| Isolation | Optical isolation between channels and system |
| Power Supply Voltage | Typically 24VDC |
| Input Voltage Range | 0–30VDC |
| Signal Status Indication | LED per input channel |
| Response Time | < 5 ms |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Mounting Type | DIN rail or card rack mounting |
| Dimensions (H x W x D) | 203 × 41 × 152 mm |
| Weight | 0.68 kg |
| Compatibility | Compatible with Ovation controllers and I/O subsystems |
| Certifications | CE, UL, CSA compliant |
Applications
The 1C31142G01 Contact Input Module is utilized in a wide array of industrial automation scenarios where discrete signal monitoring is critical. Some common application areas include:
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Power Generation: Turbine protection, generator control, breaker status monitoring
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Water/Wastewater Treatment: Pump control, valve position monitoring
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Oil & Gas Industry: Pipeline integrity, emergency shutdown systems
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Manufacturing Plants: Conveyor belt safety, machine start/stop signaling
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Chemical Processing: Reactor interlock systems, pressure and level alarm inputs
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Building Automation: Fire and security system integration
Its reliable performance and signal integrity make it ideal for mission-critical systems.
Product Advantages
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High Channel Density: Supports up to 32 digital inputs, maximizing data collection per module.
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Fast and Reliable: Rapid response time ensures real-time monitoring and control.
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Robust Isolation: Optical isolation enhances protection against voltage spikes and ground loops.
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Status LEDs: Per-channel LED indicators provide at-a-glance signal monitoring.
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Easy Integration: Seamlessly integrates into Ovation DCS environments without special configurations.
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Industrial-Grade Durability: Operates reliably in harsh environments with wide temperature tolerance.
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Low Power Consumption: Efficient design helps reduce operational costs over time.
Frequently Asked Questions (FAQ)
1. What type of signals does the 1C31142G01 module accept?
It is designed to detect dry contact (on/off) signals typically used in switch-based inputs.
2. Can this module be used in safety-critical applications?
Yes, it features optical isolation and fast response time, making it suitable for critical safety logic.
3. How many inputs does it support?
The module supports 32 discrete input channels.
4. Does it support LED indicators for each channel?
Yes, each channel has an LED for real-time status indication.
5. Is this module compatible with non-Ovation systems?
It is designed specifically for Ovation DCS environments, so using it with other systems may require adaptation.
6. What is the operating voltage range?
The input voltage range is typically 0–30VDC, with an internal threshold for ON/OFF detection.
7. Can I hot-swap this module?
Yes, in most rack configurations supporting hot-swap capability, this module can be replaced without system shutdown.
8. What is the isolation level between the input and the system bus?
It features robust optical isolation to prevent signal interference and ground faults.
9. What mounting options are available?
It can be DIN-rail mounted or installed in a standard Ovation card rack.
10. Is it certified for industrial use?
Yes, it carries CE, UL, and CSA certifications, ensuring industrial-grade compliance.
Related Models in the Same Series
| Model Number | Description | Channels | Type | Input Voltage | Dimensions (mm) |
|---|---|---|---|---|---|
| 1C31147G01 | Analog Input Module | 8 | Analog | ±10V / 4–20mA | 203 × 41 × 152 |
| 1C31150G01 | Analog Output Module | 8 | Analog | 0–10V / 4–20mA | 203 × 41 × 152 |
| 1C31110G03 | Digital Output Module | 32 | Digital Out | 24VDC | 203 × 41 × 152 |
| 1C31113G04 | Digital Input Module | 32 | Digital In | 24VDC | 203 × 41 × 152 |
| 1C31234G01 | RTD Input Module | 16 | Analog In | RTD (PT100) | 203 × 41 × 152 |
| 1C31116G01 | Relay Output Module | 16 | Relay Out | 24VDC/AC | 203 × 41 × 152 |
Popular Emerson Ovation Modules
| Model Number | Description | Function | Application Area | Weight |
|---|---|---|---|---|
| 5X00489G01 | Controller Module | Main CPU | DCS Core Processing | 1.2 kg |
| 1C31238G01 | Thermocouple Input Module | Temperature Input | Power/Process Plants | 0.7 kg |
| 1C31232G01 | Universal Analog Input Module | Multi-Sensor Input | General Industrial | 0.75 kg |
| 3A99158G01 | Redundant Power Supply Module | Power Backup | All Ovation Systems | 1.1 kg |
| 1C31116G02 | Relay Output Module (High Voltage) | Relay Control | Industrial Switching | 0.8 kg |
| 1C31125G02 | Pulse Input Module | Flow/Speed Input | Energy/Utilities | 0.65 kg |
