Preventa Safe Relay Output Modules, XPSMCM The Preventa XPSMCM safe relay output modules have a compact designed, 22.5 x 99 x 114.5 mm, the same size as a typical safety relay. Features and Benefits Removable screw-type terminal blocks for connecting the machine bus or networks channels and/or the power supply Symmetrical DIN Rail locking clip Green premium product RoHS compliant Stock no. 111-3517 2 forcibly guided contact safety relay output (2 NO + 1 NC) modules without backplane connection not connected to the backplane bus 1 input for Start/Restart interlock and external device monitoring (EDM) Does not require the expansion bus connector as it is directly wired to the selected OSSDs Stock no. 111-3518 4 forcibly guided contact safety relay output (2 NO + 1 NC) modules without backplane connection not connected to the backplane bus 2 inputs for Start/Restart interlock and external device monitoring (EDM) Does not require the expansion bus connector as it is directly wired to the selected OSSDs Stock no. 111-3521 4 forcibly guided contact safety relay output modules with backplane connection Expansion module with 4 independent safety relay outputs and the corresponding 4 inputs for the external feedback contacts (EDM) The relay can be configured according to Category 1, 2 and 4 architectures Connected to the safety controller CPU via the expansion bus connector Stock no. 111-3522 4 forcibly guided contact safety relay output modules with backplane connection Expansion module with 4 independent safety relay outputs and the corresponding 4 inputs for the external feedback contacts (EDM) The relay can be configured according to Category 1, 2 and 4 architectures 8 configurable status outputs Connected to the safety controller CPU via the expansion bus connector Note The XPSMCM system is TUV SUD certified to Cat 4, PLe EN/ISO 13849-1 and SILCL 3 IEC/EN 61508 & IEC/EN 60261 standards. Approvals CE, cULus, TUV.