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Product Introduction
The Ovation 1C31233G02 Digital I/O Module is a versatile and high-density module engineered by Emerson Process Management for use in Ovation Distributed Control Systems (DCS). This module is capable of handling both digital input and digital output functions, offering a flexible solution for process automation applications requiring discrete signal interfacing.
Designed for rugged industrial environments, the 1C31233G02 enables real-time monitoring and control of binary (on/off) devices such as limit switches, push buttons, solenoids, and indicator lights. With built-in signal conditioning and diagnostic features, this module ensures high system reliability, simplified wiring, and improved fault detection.
Its dual functionality makes it an ideal choice for compact control cabinets where both input sensing and output actuation are needed on a single module. It integrates seamlessly into Emerson’s Ovation platform, allowing plant operators to streamline I/O configurations, reduce hardware inventory, and enhance operational efficiency.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 1C31233G02 |
| Manufacturer | Emerson Process Management |
| Product Type | Digital I/O Module (Input + Output) |
| Total Channels | 32 channels (Configurable as inputs or outputs) |
| Input Signal Type | 24 VDC discrete |
| Output Signal Type | 24 VDC, sourcing |
| Input Voltage Range | 18–30 VDC |
| Output Current Capacity | 0.5 A per output channel (max) |
| Logic Levels | Logic “1” ≥ 15 VDC, Logic “0” ≤ 5 VDC |
| Response Time | < 5 ms for both input and output |
| Isolation | 1500 V RMS (channel-to-backplane) |
| Diagnostics | Built-in diagnostics for open/short circuit detection |
| Status Indication | LED indicators for each channel (input/output status) |
| Power Consumption | < 5 W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% RH non-condensing |
| Mounting | Rack or DIN-rail mountable |
| Dimensions (W x H x D) | 50 × 240 × 200 mm |
| Weight | 1.4 kg |
| Certifications | CE, UL, CSA |
Applications
The Ovation 1C31233G02 Digital I/O Module is highly adaptable and suitable for numerous applications where both digital input sensing and output control are essential. Its robust build and dual capability make it ideal for the following use cases:
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Power Generation Facilities
Used for status feedback of switches, breaker interlocks, and output control of alarms or actuators. -
Oil & Gas Platforms
Monitors pipeline valve statuses and actuates blowdown valves or safety interlocks. -
Water/Wastewater Treatment
Integrates level switches, pump starters, and control relays in a single compact unit. -
Metallurgical Plants
Reads limit switch statuses and sends output signals to solenoids, drives, and indicator lights. -
Industrial Manufacturing Lines
Tracks conveyor sensors and controls actuating cylinders or robotic arms. -
Building Automation
Used for input from access control systems and output to alarm or HVAC systems.
Product Advantages
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Dual-Functionality: Combines input and output channels in one module to reduce hardware count.
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High Channel Density: 32 channels in a compact footprint minimize panel space.
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Flexible Configuration: Channels can be individually assigned as input or output as needed.
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Fast Response Time: Ensures timely response to critical logic conditions in automation.
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Built-in Diagnostics: Advanced fault detection helps maintain uptime and speed up troubleshooting.
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LED Indicators: Channel-wise status LEDs help with quick on-site monitoring and testing.
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Ovation Integration: Seamlessly interfaces with Ovation DCS architecture for consistent operation.
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Electrical Isolation: Enhanced system protection with 1500 V RMS isolation across backplane.
Frequently Asked Questions (FAQ)
1. Can I configure all 32 channels as inputs or outputs?
No, the module supports a fixed configuration with a specific number of inputs and outputs, often grouped (e.g., 16 inputs, 16 outputs).
2. What type of loads can be driven by the output channels?
The outputs are 24 VDC sourcing type and can drive devices like relays, solenoids, and indicator lights, up to 0.5 A per channel.
3. Does the module have protection against overcurrent or short circuits?
Yes, it includes diagnostics to detect open and short circuit conditions.
4. Are the channels individually isolated?
Channels are grouped and isolated from the backplane but not necessarily isolated from each other.
5. Can the module be installed in outdoor panels?
It is rated for industrial environments but should be housed in a NEMA-rated enclosure for outdoor use.
6. Is hot-swapping supported?
Yes, the module supports hot-swapping in Ovation DCS without disrupting the system.
7. How are the channel statuses displayed?
Each channel has a dedicated LED to indicate ON/OFF status.
8. What is the typical scan or response time?
The typical response time is less than 5 milliseconds for both input sensing and output switching.
9. What are the wiring options for the I/O?
It uses standard removable terminal blocks or field wiring assemblies, depending on the backplane setup.
10. What maintenance is required for this module?
Routine inspection for wiring integrity and LED status is recommended; built-in diagnostics reduce manual intervention.
Related Models from the Same Series
| Model | Description | Function | Channels | Notes |
|---|---|---|---|---|
| 1C31232G01 | Digital Input Module | Input | 32 | Standard discrete input |
| 1C31232G02 | Differential Digital Input Module | Input | 32 | Noise-resistant input |
| 1C31234G01 | Digital Input Module | Input | 32 | High-speed input variant |
| 1C31238G01 | Digital Output Module | Output | 16 | Sourcing digital output |
| 1C31227G02 | Analog Input Module | Input | 16 | For analog signals |
| 1C31219G01 | Analog Output Module | Output | 8 | For analog actuators |
Popular Emerson Ovation Models
| Model | Description | Function | System Compatibility |
|---|---|---|---|
| 1C31110G02 | Thermocouple Input Module | Temperature Input | Ovation DCS |
| 1C31194G01 | Communication Module | Network Communication | Ovation DCS |
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| 5X00106G01 | Power Supply Module | System Power | Ovation DCS |
| 1C31223G01 | Low-Level Analog Input Module | mV / TC Input | Ovation DCS |
| 1C31234G01 | Digital Input Module | Discrete Input | Ovation DCS |
