Description

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Product Overview

The Emerson 1C31150G01 is a high-performance pulse input module designed for Emerson’s Ovation distributed control system (DCS), serving as a critical interface for acquiring high-frequency signals from field devices such as turbine sensors, flow meters, and tachometers. This module specializes in converting pulse signals into digital data for real-time monitoring and control in industrial automation applications. As part of the Ovation platform, the Emerson 1C31150G01 supports precise frequency measurement and counting, enabling accurate speed monitoring, flow calculation, and energy management in demanding environments like power generation and oil and gas facilities. Its modular, hot-swappable design allows for easy installation and maintenance without disrupting system operations, minimizing downtime in continuous processes. With robust electrical isolation and compliance with industrial EMC standards, the Emerson 1C31150G01 ensures reliable performance in electrically noisy settings, while its compact form factor optimizes cabinet space. The module also features integrated diagnostics and LED indicators for quick troubleshooting, enhancing system availability and reducing lifecycle costs. By providing high-accuracy pulse acquisition, the Emerson 1C31150G01 helps improve process efficiency, equipment protection, and operational safety across various industries .

Technical Specifications

Parameter Name	Parameter Value
Product Model	1C31150G01
Manufacturer	Emerson
Product Type	Pulse Input Module
Input Channels	2 independent channels
Input Signal Type	Pulse frequency (high-frequency)
Input Voltage Range	24–48 VDC (compatible)
Max Frequency Response	50 kHz (industry standard)
Power Supply	24 VDC (±10%)
Operating Temperature	-20°C to +70°C
Isolation	Electrical isolation for noise immunity
Communication Protocol	Ovation DCS integration
Dimensions	Compact, modular design
Weight	~0.3 kg
Certifications	Industrial EMC, CE, RoHS

Main Features and Advantages

The Emerson 1C31150G01 offers dual-channel pulse input capability, allowing simultaneous monitoring of two independent signal sources such as rotary encoders or turbine flow meters. Its high-frequency response (up to 50 kHz) ensures accurate capture of rapid pulse sequences, which is critical for applications involving high-speed rotating machinery. The module features built-in electrical isolation between channels, preventing ground loops and electromagnetic interference from affecting signal integrity .

Hot-swap functionality enables the Emerson 1C31150G01 to be replaced during system operation, significantly reducing maintenance downtime. Integrated LEDs provide real-time status indication for each channel, simplifying diagnostics and fault detection. The module’s wide operating temperature range (-20°C to +70°C) and robust construction make it suitable for harsh industrial environments, including those with high vibration or humidity. These features combine to deliver a reliable and cost-effective solution for pulse acquisition needs in critical automation systems .

Application Fields

The Emerson 1C31150G01 is widely used in power generation plants for turbine speed monitoring, generator synchronization, and fuel flow measurement. In oil and gas applications, it enables precise volume calculation through flow meter pulse counting and supports safety systems by monitoring equipment rotation speeds. Water and wastewater treatment facilities utilize the module for pump control and filter cycle counting based on pulse inputs from flow sensors .

Manufacturing industries employ the Emerson 1C31150G01 for production line speed monitoring and conveyor belt synchronization. In renewable energy systems, such as wind farms, the module helps track turbine blade rotation and power output frequency. Its accuracy and reliability also make it suitable for automotive testing equipment and pharmaceutical production lines where precise timing and counting are essential for quality control .

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