ABB Relion 670 Series Product Manual page 141

Bay control REC670
Version 2.2
Table 219. Maximum quantity of I/O modules, with compression terminals
When ordering I/O modules, observe the maximum quantities according to the tables below.
Note: Standard order of location for I/O modules is BIM-BOM-SOM-IOM-MIM from left to right as seen from the rear side of the IED, but
can also be freely placed.
Note: The maximum quantity of I/O modules depends on the type of connection terminals.
Case sizes BIM
1/1 x 19" rack casing, 14
one (1) TRM
1/1 x 19" rack casing, 11
two (2) TRM
3/4 x 19" rack casing, 8
one (1) TRM
3/4 x 19" rack casing, 5
two (2) TRM
1/2 x 19" rack casing, 3
one (1) TRM
*) including a combination of maximum four modules of type BOM, SOM and four modules of type MIM.
Table 220. Maximum quantity of I/O modules, with ringlug terminals
Note: Only every second slot can be used.
Case sizes BIM
1/1 x 19" rack casing, 7
one (1) TRM
1/1 x 19" rack casing, 5
two (2) TRM
3/4 x 19" rack casing, 4
one (1) TRM
3/4 x 19" rack casing, 2
two (2) TRM
1/2 x 19" rack casing, 1
one (1) TRM
**) including a combination of maximum four modules of type BOM, SOM and four modules of type MIM.
Hitachi Power Grids
IOM BOM/ MIM Maximum in case
SOM
6 4 4 14 *)
6 4 4 11 *)
6 4 4 8 *)
5 4 4 5 *)
3 3 1 3
IOM BOM/ MIM Maximum in case
SOM
6 4 4 7 **) possible locations: P3, P5, P7, P9, P11, P13, P15
5 4 4 5 **) possible locations: P3, P5, P7, P9, P11
4 4 4 4 **) possible locations: P3, P5, P7, P9
2 2 2 2, possible locations: P3, P5
1 1 1 1, possible location: P3
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