Wiring and Connections

Section 3-4

 

 

 

Floor Ducts

Leave at least 200 mm between the wiring and the top of the duct, as shown in the following diagram.

CPM1A I/O lines

Control cables and

Metal plate (iron)

CPM1A power lines

Power cables

200 mm min.

Conduits

Separate the CPM1A I/O lines, power and control lines, and power cables, as shown in the following diagram.

Control cables and

CPM1A I/O lines 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 mm2 for grounding.

!WARNING During installation, be sure to ground to 100 max in order to protect against electric shock.

Ground to 100 max.

AC power supply unit

100 to 240 VAC L1

L2/N

COM

01

 

 

00

02

 

 

0 CH

 

Ground to 100 max.

DC power supply unit

24 VDC +

COM

01

 

NC

00

02

 

 

0 CH

 

Note The NC terminal is not used.

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Image 57
Omron CPM1A operation manual Ground Wiring, Floor Ducts, Conduits, Grounding