Advant
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Controller 450 User’s Guide
Section D.4 I/O Subracks
3BSE 002 415R701 Rev A D-5
D.4 I/O Subracks
The I/O subracks are 8 (U) modules high (1 U = 44.45 mm), including cable duct.
Subracks have 21 slots for modules.
The first module in a subrack is designated 101, the next 105, the next 109, and so on.
See Figure D-6.
The item designation of the modules gives their location in the subrack. The module marked in
the figure is at module location 25. The 1 in the designation refers to the uppermost level,
level 1 in the equipment frame.
Figure D-6. Item Designation in I/O Subrack
Item design. 125
1
2
3
4
5
6
1
59
25 81
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