ABB 1MRK002122-ABR02

 
ABB 1MRK002122-ABR02 Overview
  

The ABB 1MRK002122-ABR02 is an industrial automation communication/I/O module produced by ABB, commonly used for connecting field signals to ABB’s DCS, PLC, or Symphony systems.

Main Functions and Features

Multimode Fiber Optic Communication: Utilizes multimode fiber optics (50/125 µm) at an 850 nm wavelength, with a maximum transmission distance of approximately 2 km. It supports fiber attenuation of 6 dB, connector attenuation of 2 dB, giving a total attenuation of around 8.6 dB, with an optical budget of 9 dB.

I/O Interfaces: Supports digital, analog, and relay input/output for signal acquisition, conversion, and transmission. Designed with redundancy to enhance system reliability.

Application Scenarios: Widely used in process control and monitoring across industries such as oil & gas, power generation, water treatment, chemical, metallurgy, food, and pharmaceuticals, serving as a critical signal processing unit in DCS/PLC systems.

Common Companion and Alternative Models

It is part of ABB’s I/O module series, often paired with other modules such as 1MRK002133-ABR02 and long-distance fiber optic communication modules like 1MRK002311-AAR02, allowing flexible selection based on distance and bandwidth requirements.

Summary

In conclusion, the ABB 1MRK002122-ABR02 is a multimode fiber optic communication I/O module designed for industrial field applications. It combines signal acquisition, digitization, and long-distance fiber optic transmission, making it suitable for automation control systems across a wide range of industries.

 

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