PSSu K F FCU 312435 PSSu, compact module, failsafe, digital inputs and outputs, 2 operating modes, configurable, pulse stretching, rapid shutdown, 12 inputs, 2 test pulse outputs 0.25 A, 2 outputs, 2 A, single-pole, positive-switching, short-circuit proof, overload-protected, free fromfeedback, 2 outputs, 3 A, dual-pole, positive-switching, short-circuit proof, overload-protected, free from feedback. The PSSuniversal Assistant is used for selection of the modules and for configuration of the decentralised I/O system PSSuniversal.