ABB 3BHE021889R0101 UFC721BE101 Digital Input Module

The ABB UFC721BE101 (3BHE021889R0101) is a robust 16-bit digital input module designed for use with ABB's ACS880 series programmable logic controllers (PLCs). It is engineered to accept digital signals from field devices such as pushbuttons, limit switches, and sensors, making it ideal for industrial control and automation applications.

This module features 16 electrically isolated inputs, significantly reducing the risk of electrical interference or crosstalk between input channels. Its built-in diagnostics allow for easy identification and troubleshooting of input or module-level issues.

As a Field-Replaceable Unit (FRU), the UFC721BE101 can be swapped out without powering down the PLC system, ensuring minimal downtime during maintenance or replacement.

Key Features

• 16-Bit Digital Input Module

• 16 Electrically Isolated Inputs — Prevents crosstalk and improves system stability

• Built-in Diagnostic Function — Aids in troubleshooting and maintenance

• Field-Replaceable Unit (FRU) — Allows hot-swapping without shutting down the system

• Standard Part Number — Readily available from ABB and authorized distributors

Applications

The UFC721BE101 is suitable for a wide range of industrial applications that require:

• High input signal isolation

• Reliable digital signal acquisition

• Easy maintenance and replacement

• Seamless integration with ABB ACS880 PLCs