4.1 Grounding
4-1
HW0482143
4 Wiring
4.1 Grounding
Follow local regulations for grounding line size. A line of 5.5mm
2
or more is recommended.
Refer to " Fig. 5 Grounding Method " to connect the ground line directly to the manipulator.
• Ground resistance must be 100 Ω or less.
Failure to observe this warning may result in fire or electric shock.
• Before wiring, make sure to turn the primary power supply off, and put
up a warning sign. (ex. DO NOT TURN THE POWER ON.)
Failure to observe this warning may result in fire or electric shock.
• Wiring must be performed by authorized or certified personnel.
Failure to observe this caution may result in fire or electric shock.
• Do not cover the cable or allow it to tangle. Keep the cable as straight
as possible.
Failure to observe this caution may result in preventing heat of the cable from being dis-
charged.
• Do not use this line in common with other ground lines or grounding electrodes for other
electric power, motor power, welding devices, etc.
• Where metal ducts, metallic conduits, or distributing racks are used for cable laying,
ground in accordance with Electric Equipment Technical Standards.
WARNING
CAUTION
NOTE
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