S500 I/O modules Terminal units

ABB terminal units provide a reliable foundation for connecting I/O modules to the AC500 system. They simplify wiring, support fast module replacement, and offer flexible mounting options for various installation needs. Designed to ensure long-term stability in industrial environments.

TU56xx Terminal Units – The foundation of reliable field connectivity

Every great automation system starts with a solid connection.

TU56xx terminal units provide the essential hardware backbone for S500 I/O and CI5xx modules, ensuring secure, organized, and efficient wiring from field to controller.

Designed for quick installation and service-friendly access, these terminal units simplify commissioning, reduce downtime, and enhance overall system reliability.

With mechanical robustness and a layout optimized for industrial environments, TU56xx keeps your signals stable, your cabinet clean, and your automation running without interruptions.

Benefits

S500 terminal units provide the solid foundation for connecting I/O modules within the AC500 system. With flexible mounting options and tool-free wiring, they support fast installation, reliable signal transmission, and simplified maintenance.

Fast and secure connections

Spring or screw terminals allow quick, reliable wiring – no special tools required.

No rewiring needed

Replace I/O modules without touching the wiring – minimize downtime during service.

DIN rail or panel ready

Mount easily on DIN rails or directly in your cabinet – designed to fit any installation layout.

Compact footprint

Designed to fit tightly into dense control setups while maintaining access and clarity.

Easy signal identification

Clearly marked terminals simplify wiring, testing, and documentation.

Built for industrial use

Durable housing ensures stable long-term performance in demanding environments.