The ABB TU890 is a Module Termination Unit (MTU) designed for the ABB Ability™ System 800xA® control system. Let’s explore its key functionalities:

Core Function

Houses I/O Modules: The TU890 acts as a home base for ABB’s S800 I/O modules, which handle signal communication between field devices and the control system.

Safety First

Intrinsic Safety: This unit prioritizes safety in hazardous environments. It achieves intrinsic safety certification, ensuring safe operation even in areas with explosion risks.

Smart Design

• Modular and Scalable: The TU890’s modular design allows for easy configuration. You can connect up to 27 I/O modules, providing flexibility for various application needs.
• Keyed Connections: The unit utilizes keyed connections. This ensures only compatible I/O modules are used, preventing connection errors.