Table 688:
Designations for 1/1 x 19” casing with 2 TRM slots
1MRK002801-AC-6-670-1.2-PG V1 EN
Module
Rear Positions
PSM
X11
BIM, BOM,
SOM, IOM or
MIM
X31 and X32 etc. to X131
and X132
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
19.2
Hardware modules
19.2.1
Overview
Table 689:
Basic modules
Module
Description
Combined backplane module (CBM)
A backplane PCB that carries all internal signals
between modules in an IED. Only the TRM (when
included) is not connected directly to this board.
Universal backplane module (UBM)
A backplane PCB that forms part of the IED backplane
with connectors for TRM (when included), ADM etc.
Power supply module (PSM)
Including a regulated DC/DC converter that supplies
auxiliary voltage to all static circuits.
•
An internal fail alarm output is available.
Table continues on next page
1MRK505222-UUS C
Section 19
IED hardware
1085
Technical reference manual
Summary of Contents for Relion 670 series
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