6. Connection diagramsTable 1. Designations for 1/2 x 19” casing with 1 TRM slotIEC08000471 BG V1 ENModule Rear PositionsPSM X11BIM, BOM, SOM or IOM X31 and X32 etc. to X51and X52BIM, BOM, SOM, IOM orGSMX51, X52SLM X301:A, B, C, DIRIG-B 1) X302OEM X311:A, B, C, DRS485 or LDCM 2) 3) X312LDCM 2) X313TRM X4011) IRIG-B installation, when included in seat P30:22) LDCM installation sequence: P31:2 or P31:33) RS485 installation, when included in seat P31:2Note!1 One LDCM can be included depending of availabilityof IRIG-B respective RS485 modules.Line differential protection RED670 1MRK 505 188-BEN CPre-configuredProduct version: 1.1 Issued: June 2010ABB 31