Omron CPM1A Network Card User Manual


 
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Floor Ducts
Leave at least 200 mm between the wiring and the top of the duct, as shown in
the following diagram.
200 mm min.
Metal plate (iron)
CPM1A I/O lines
Control cables and
CPM1A power lines
Power cables
Conduits
Separate the CPM1A I/O lines, power and control lines, and power cables, as
shown in the following diagram.
CPM1A I/O lines
Control cables and
CPM1A power lines
Power cables
3-4-2 Ground Wiring
Grounding Be sure to ground the earth terminal to less than 100 in order to protect against
electric shock and incorrect operation from electrical noise. Be sure to use a wire
of at least 1.25 mm
2
for grounding.
WARNING During installation, be sure to ground to 100 max in order to protect against
electric shock.
Ground to 100 max.
Ground to 100 max.
AC power supply unit
DC power supply unit
L1
L2/N
0 CH
00 02
01
COM
COM
00 02
01
0 CH
NC
24 VDC
+
100 to 240 VAC
Note The NC terminal is not used.
Wiring and Connections
Section 3-4