Description

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Product Overview

The Emerson 1C31181G01 is a high-performance digital controller and remote I/O module designed for Emerson’s Ovation distributed control system (DCS). This module serves as a critical interface for industrial automation, providing 16 digital input and 16 digital output channels to manage discrete signals from sensors, switches, and actuators in real-time. With support for multiple communication protocols including RS232, RS485, Ethernet TCP/IP, and Modbus RTU, the Emerson 1C31181G01 ensures seamless integration into both legacy and modern control architectures. Its robust construction features an operating temperature range of -40°C to +70°C and IP66 protection, guaranteeing reliable performance in harsh industrial environments such as power plants and manufacturing facilities. The module’s compact design (70mm × 120mm × 45mm) optimizes cabinet space while enabling flexible DIN rail mounting. As part of Emerson’s Ovation platform, the Emerson 1C31181G01 facilitates efficient data acquisition, logic execution, and device control, enhancing system scalability and operational efficiency. With hot-swap capability and built-in diagnostics, it minimizes downtime and simplifies maintenance, making it ideal for continuous process industries where reliability is paramount .

Technical Specifications

Parameter Name	Parameter Value
Product Model	1C31181G01
Manufacturer	Emerson
Product Type	Digital Controller / Remote I/O Module
Input Voltage	24 VDC
Digital Input Channels	16
Digital Output Channels	16
Analog Input Channels	4
Analog Output Channels	2
Communication Protocols	RS232, RS485, Ethernet TCP/IP, Modbus RTU
Operating Temperature	-40°C to +70°C
Storage Temperature	-40°C to +85°C
Humidity Range	10%–95% (non-condensing)
Dimensions	70mm × 120mm × 45mm
Weight	200g
Protection Rating	IP66
Certifications	CE, UL 508, RoHS .

Main Features and Advantages

The Emerson 1C31181G01 delivers high-density I/O consolidation, integrating 16 digital inputs and 16 digital outputs into a single module to reduce wiring complexity and cabinet space. Its wide protocol support (RS232, RS485, Ethernet TCP/IP, Modbus RTU) enables interoperability with diverse devices and systems, simplifying network integration. The module’s rugged design ensures operation in extreme conditions, with IP66 protection against dust and moisture, and a wide temperature range (-40°C to +70°C) for use in demanding environments like outdoor installations or high-temperature industrial plants .

Hot-swap functionality allows the Emerson 1C31181G01 to be replaced without system shutdown, critical for continuous processes in power generation or oil and gas. Integrated LEDs provide real-time channel status monitoring, accelerating troubleshooting. The module also features reverse-polarity protection and electrical isolation, safeguarding against wiring errors and voltage transients. These attributes make the Emerson 1C31181G01 a versatile solution for enhancing system uptime and reducing lifecycle costs .

Application Fields

The Emerson 1C31181G01 is widely deployed in power generation for turbine control, grid synchronization, and safety system monitoring in fossil fuel, nuclear, and renewable energy plants. In oil and gas, it manages wellhead operations, pipeline valves, and emergency shutdown systems. Manufacturing industries use the module for automation of production lines, robotic cells, and conveyor systems, while water treatment facilities employ it for pump control and filter sequencing. Transportation sectors (aviation, rail, marine) leverage the Emerson 1C31181G01 for infrastructure automation and safety controls. Its adaptability across these sectors underscores its role in critical data acquisition and device management .

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