ABB RELION 670 Series Technical Manual page 1283

1MRK 502 066-UUS B
Table 997: Designations for 3/4 x 19" casing with 2 TRM slot
1MRK002801-AC-4-670-1.2-PG V.3 EN
1MRK002801-AC-4-670-1.2-PG V3 EN-US
Technical manual
Module Rear Positions
PSM X11
BIM, BOM, SOM, IOM or X31 and X32 etc. to X71 and
MIM X72
SLM X301:A, B, C, D
LDCM, IRIG-B or RS485 X302
LDCM or RS485 X303
OEM X311:A, B, C, D
LDCM, RS485 or GTM X312, X313, X322, X323
TRM 1 X401
TRM 2 X411
Section 22
IED hardware
SEMOD111884-4 v5
1277