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Table 200. Maximum quantity of I/O modules
Note: When ordering I/O modules, observe the maximum quantities according to the table 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
IOM BOM/
SOM
MIM Maximum in case
1/1 x 19”, one (1) TRM
14
6
4
4
14 cards, including a combination of four cards of type BOM, SOM and MIM
1/1 x 19”, two (2) TRM
11
6
4
4
11 cards, including a combination of four cards of type BOM, SOM and MIM
3/4 x 19”, one (1) TRM
8
6
4
4
8 cards, including a combination of four cards of type BOM, SOM and maximun oen
MIM
3/4 x 19”, two (2) TRM
5
5
4
4
5 cards, including a combination of four cards of type BOM, SOM and maximun oen
MIM
1/2 x 19”, one (1) TRM
3
3
3
1
3 cards
Table 201. Maximum quantity of I/O modules, with ringlug terminals
Note: Only every second slot can be used.
Case sizes
BIM
IOM BOM/
SOM
MIM Maximum in case
1/1 x 19” rack casing,
one (1) TRM
7
6
4
4
7 **) possible locations: P3, P5, P7, P9, P11, P13, P15
1/1 x 19” rack casing,
two (2) TRM
5
5
4
4
5 **) possible locations: P3, P5, P7, P9, P11
3/4 x 19” rack casing,
one (1) TRM
4
4
4
4
4 **) possible locations: P3, P5, P7, P9
3/4 x 19” rack casing,
two (2) TRM
2
2
2
2
2, possible locations: P3, P5
1/2 x 19” rack casing,
one (1) TRM
1
1
1
1
1, possible location: P3
**) including a combination of maximum four modules of type BOM, SOM and MIM
1MRK 504 155-BEN F
Transformer protection RET670 2.1 IEC
132
ABB
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