TU890 3BSC690075R1 is a compact modular termination unit (MTU) designed for S800 I/O systems
ABB’s TU890 3BSC690075R1 is a compact modular termination unit (MTU) designed for S800 I/O systems. As a passive unit, the MTU is not only used to connect the field wiring and power supply to the I/O module, but also contains a part of the ModuleBus, making the installation of the I/O module more compact. The…