ABB TB521-ARCNET Terminal Base

Description

The ABB TB521-ARCNET Terminal Base is a component of the ABB AC500 product series, designed specifically for use with AC500 V2 systems. It has physical dimensions of 28 mm depth/length, 135 mm height, 123.5 mm width, and a net weight of 0.186 kg. Key hardware features include 2 slots for communication modules, an ARCNET network interface, and 2 serial interfaces (RS232/RS485: COM1 and COM2). It also integrates an I/O bus, a processor module slot, and a fieldbus plug interface, plus wall-mounting holes for flexible installation. Powered by 24 VDC, this terminal base supports reliable data transmission and control signal management for industrial automation setups. Ideal for large-scale control systems and as part of DCS architectures, it facilitates seamless connectivity between control components, meeting diverse control and data transfer requirements in demanding industrial environments.