Function expansion for bus module MBM and locking module MGB2-L.-MLI Four slots for mounting submodules Category 4/PL e for the evaluation of all safety functions Open version (without submodules) Submodule connection type: N/P Compatible with all Modular devices Function The MCM Modular can be connected directly or remotely to the bus module and in this way can be operated as a control terminal. It can also be used to extend the control features on a locking module. The MCM Modular offers four slots for mounting submodules. Expandable via connection on the top Either a module plug connector or a plug for the direct connection of a signal light with up to four lamps can be used on the top of the MCM.