PSSu E PS-P +/-10V 312591 PSSu, electronic module, passive, voltage distribution, power supply,primary24 V DC 0.5 A, secondary -10 V DC 0.5 A, continuous output 10 W, short circuit-proof, overload-proof, galvanically isolated. The PSSuniversal Assistant is used for selection of the modules and for configuration of the decentralised I/O system PSSuniversal.