Omron CV500 Installation Manual page 62

Mounting Racks
3-3-1 Duct Work
When mounting the PC in a control panel, mount the Racks to an intermediate
plate. Holes for mounting the Racks to the intermediate plate should be drilled at
intervals shown in the following diagram. Completely ground the intermediate
mounting plates. Use conductor-plated plates to improve noise immunity.
Four, M5
CPU Backplane
250
CV500-BC101/051/031
CVM1-BC103/053
70 to 120
Expansion CPU Backplane
250 Expansion I/O Backplane
CV500-BI111/112/062/042
CVM1-BI114/064
Four, M5
Model
CV500-BC101/BI111/112
CVM1-BC103/BI114
CV500-BC051/BI062
CVM1-BC053/BI064
CV500-BC031/BI042
If power cables carrying more than 10 A at 400 V or 20 A at 220 V must be run
parallel to I/O wiring, leave at least 300 mm between the power cables and the
I/O wiring, as shown in the following diagram.
Low current cables
1
300 mm min.
Control cables
2
300 mm min.
Power cables
3
Grounding at resistance
of less than 100
1 = I/O wiring
2 = General control wiring
3 = Power cables
L
150 0.5
170 to 220
150 0.5
W
W L 0.5
480 465
306 291
236 221
Section 3-3
49