PSSu E AI SHT1 312261 PSSu, electronic module, passive, analogue inputs and outputs, 1 input, current range 0 – 0.6 A, single-pole, referenced to earth, 2 outputs, 0- 20 mA, single-pole, referenced to earth, scaling 1:100 and 1:200. The PSSuniversal Assistant is used for selection of the modules and for configuration of the decentralised I/O system PSSuniversal.