TB521-ETH ABB 1SAP112100R0170 Terminal Base AC500

Description

TB521-ETH (1SAP112100R0170) is a terminal base designed by ABB for the AC500 series programmable logic controller (PLC), targeted at industrial automation and process control applications. As a CPU backplane component, it is compatible with AC500 CPU modules including the PM571, PM581/582, and PM590/591 series, allowing users to customize system configurations based on specific project requirements. Built on a modular architecture, this terminal base supports flexible combination of various I/O modules, including high-speed counters, digital input/output modules (DI524, DC522/523/532, DX522/531), and analog input/output modules (AI523/AO523, AX521/AX522), providing rich I/O expansion options. It also supports multiple industrial standard communication protocols, such as PROFIBUS DP, Ethernet, DeviceNet, and CANopen, enabling seamless integration into complex automation networks. This terminal base is a key component for building scalable, flexible industrial control systems, suitable for a wide range of automated industrial control scenarios.