The MODULbus interface is the playground to adapt the SCS and SCS 3 base units to the numerous electrical devices in the automation world. Whether a special counter is needed or a serial interface, a high resolution analogue input or a PT100 interface, a MODULbus module does all the interfacing not built already in the base unit.

IO modules can be plugged in SCS or SCS 3 base units or MODULbus extension units. You can find more details here.

The various modules cover