ABB RET670 - Page 53

Table 5: Designations for 3/4 x 19” casing with 2 TRM slot
IEC08000473 BG V1 EN
Module Rear Positions
PSM X11
BIM, BOM, SOM, IOM or
MIM
X31 and X32 etc. to X71 and
X72
BIM, BOM, SOM, IOM,
MIM or GSM
X71, X72
SLM X301:A, B, C, D
IRIG-B or LDCM 1,2) X302
LDCM 2) X303
OEM 4) X311:A, B, C, D
RS485 or LDCM 2) 3) X312
LDCM 2) X313
LDCM 2) X322
LDCM 2) X323
TRM 1 X401
TRM 2 X411
1) IRIG-B installation, when included in seat P30:2
2) LDCM installation sequence: P31:2, P31:3, P32:2,
P32:3, P30:2 and P30:3
3) RS485 installation, when included in seat P31:2, P31:3,
P32:2 or P32:3
4) OEM X311:A, B (IEC 61850-8-1). (X311:C, D IEC
61850-8-1)
Note!
2-4
LDCM can be included depending of availability of IRIG-
B respective RS485 modules.
When IRIG-B, RS485 and 4 pc of LDCM are in use, needs
a second ADM.
1MRK 504 088-UEN C Section 5
Installing the IED
47
Installation and commissioning manual