ROC364 Instruction Manual
2-6 Master Controller Unit, I/O Module Rack, and Wiring Rev Jun/05
2.2.5 Backplate
The ROC364 backplate is a mounting panel for an MCU and one or more I/O module racks. Backplates
are available in three sizes to accommodate the indicated number of I/O racks: one rack, two racks, and
three or four racks. Refer to Figure 2-4 for dimensions of the various backplates.
DIM A
DIM C
DIM B
DIM D
DIM G
MOUNTING STUD SIZE
DIM F
DIM E
DOC0243A
Figure 2-4. Backplate and Mounting Dimensions
Maximum I/O Points
DIM
16 32 64
A 12.40 11.60 11.25
B 11.34 21.46 28.58
C 13.34 13.00 12.25
D 13.12 22.26 29.38
E 3.94 3.94 4.06
F .38 .38 .50
G NO.10 5/16 5/16
DIM = Dimensions in inches
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