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Description：

The ABB GJR2393400R1210 81EA04C-E Analog Input Module is a high-performance industrial input module designed for precise acquisition and processing of analog signals in and process control systems. Equipped with 16 analog input channels, the module enables simultaneous monitoring of multiple field devices, helping improve system efficiency and data collection capabilities. Powered by a 24 V DC supply, it delivers stable and reliable operation for continuous industrial applications.

The 81EA04C-E features an input impedance of 250 Ω, making it suitable for accurate signal reception while minimizing measurement interference. With a 12-bit to 14-bit conversion resolution, the module provides high-precision analog-to-digital conversion for reliable process monitoring. 

Specification：

Frequently asked questions

Q1: What is the ABB GJR2393400R1210 81EA04C-E Analog Input Module?

A: The ABB GJR2393400R1210 81EA04C-E is an analog input module used in industrial systems to receive and process analog signals from field instruments such as transmitters, sensors, and measurement devices.

Q2: How many input channels does the 81EA04C-E provide?

A: The 81EA04C-E module features 16 analog input channels, allowing multiple process signals to be monitored simultaneously within a single module.

Q3: What operating power supply does the 81EA04C-E module require?

A: The 81EA04C-E operates from a 24 V DC power supply, which is commonly used in industrial control and systems.

Q4: What is the input impedance of the 81EA04C-E module?

A: The 81EA04C-E module has an input impedance of 250 Ω, ensuring compatibility with standard industrial analog signal sources and current-loop instruments.

Product Applications

Power and Energy: Used in thermal power plants, substations, and power grid control systems to monitor the temperature, pressure, and voltage status of critical equipment.

Oil and Gas: Used to process signals from flow meters and pressure transmitters during oil and gas extraction, pipeline transportation, and refining processes.

Water Treatment: Monitors pump status, water quality parameters, and flow rates to achieve automated process control.

Chemicals and Pharmaceuticals: Used for monitoring complex reactors to ensure stringent process parameter standards.

Metallurgy and Heavy Industry: Monitors blast furnace temperature, rolling mill load, and other critical analog parameters in harsh industrial environments.