Hardware Modules; Overview - ABB Relion 670 Series Technical Reference Manual

Section 17
IED hardware
Table 446: Designations for 1/1 x 19" casing with 2 TRM slots
1MRK002801-AC 6 670 1.2 PG V1 EN
17.2
17.2.1
620

Hardware modules

Overview

Table 447: Basic modules
Module
Combined backplane module (CBM)
Universal backplane module (UBM)
Power supply module (PSM)
Numerical module (NUM)
Table continues on next page
1MRK 505 208-UEN B
Module Rear Positions
PSM X11
BIM, BOM, X31 and X32 etc. to X131
SOM, IOM or and X132
MIM
SLM X301:A, B, C, D
LDCM, IRIG-B or X302
RS485
LDCM or RS485 X303
OEM X311:A, B, C, D
LDCM, RS485 or X312, X313, X322, X323
GTM
TRM 1 X401
TRM 2 X411
Description
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.
A backplane PCB that forms part of the IED
backplane with connectors for TRM (when
included), ADM etc.
Including a regulated DC/DC converter that
supplies auxiliary voltage to all static circuits.
• An internal fail alarm output is available.
Module for overall application control. All
information is processed or passed through this
module, such as configuration, settings and
communication.
Technical reference manual