Mitsubishi Q01CPU User Manual page 284

10
LOADING AND INSTALLATION
(3) Grounding
10
- 40 10.6 Wiring
10.6.1 The precautions on the wiring
For grounding, perform the following:
• Use a dedicated grounding wire as far as possible. (Grounding resistance of
100 or less.)
• When a dedicated grounding cannot be performed, use (2) Common Grounding
shown below.
Programmable
Another
controller
equipment
Grounding
(1) Independent grounding Best
• For grounding a cable, use the cable of 2 mm
Position the ground-contact point as closely to the sequencer as possible, and
reduce the length of the grounding cable as much as possible.
Programmable
Another
controller
equipment
Grounding
(2) Common grounding Good
Diagram 10.41 Grounding procedures
Programmable
controller
(3) Joint grounding
2
or more.
Another
equipment
Not allowed