Programmable and modular PCU Safety Control Unit bridges the gap in technology between traditional safety relays and PLC systems for safety device integration for machinery builders, rebuilders and users. PCU/1 main control unit is modular with 14 expansion modules, has up to 128 inputs, 16 dual-channel safety outputs and 16 status outputs. An available, integrated PCU/1 main unit has PCUEU/1 for adding multiple safety devices integration for switches, mats, edges, bumpers, etc. It’s certified up to CAT 4 SIL CL 3 SIL 3 Ple safety level.