ABB RED670 - Page 131

Remote end communication, DNP serial comm. and time synchronization modules #12 Notes and Rules
Slot position (rear view)
X312 X313 X302 X303 X322 X323
Note: The maximum number and
type of LDCM modules supported
depend on the total amount of
modules (BIM, BOM, LDCM,
OEM, GTM, SLM, RS485, IRIG-B)
in the IED.
Available slots in 1/2 and 3/4 case with 1TRM █ █ █ █ Note: Only for A31/A32. One
LDCM must be ordered. Max 2
LDCM in 1/2 case.
Available slots in 3/4 and 1/1 case with 2 TRM █ █ █ █ █ █ Note: 2 LDCM in B31 and B32
must be ordered. Max 4 LDCM
No remote communication board included X X X X X A31 and A32 - 1 LDCM always in
position P30:2(X302)
No remote communication board included X X X X B31 and B32 - 1 LDCM always in
position P30:2(X302) and
P30:3(X303)
Optical short range LDCM A A A A A A Max 4 LDCM (same or different
type) can be selected.
Always place LDCM modules on
the same board to support
redundant communication; in
P30:2 and P30:3, P31:2 and P31:3
or P32:2 and P32:3
Optical medium range, LDCM 1310 nm B B B B B B
Optical long range, LDCM 1550 nm C C C C C C
Galvanic X21 line data communication module E E E E E E
IRIG-B Time synchronization module, with PPS F F F F F F
Galvanic RS485 communication module G G G G G Note: No RS485 in position X303
in B31/B32
GPS time module GTM S S S S
Selection for position #12.
Serial communication unit for station communication #13 Notes and Rules
Slot position (rear view)
X301 X311
No first communication board included X
No second communication board included X
Serial and LON communication module (plastic) A
Serial (plastic) and LON (glass) communication module B
Serial and LON communication module (glass) C
Optical ethernet module, 1 channel glass D
Optical ethernet module, 2 channel glass E
Selection for position #13.
1MRK 505 346-BEN -
Line differential protection RED670 2.1 IEC
Product version: 2.1
ABB 131