YASKAWA RM2-755/1255SL - Power Connections; Electrical Connections

3-1
166006-1CD
166006-1CD
3 Power Connections
3.1 Electrical Connections
RM2-755/1255SL
Positioner
3 Power Connections
3.1 Electrical Connections
3.1.1 Grounding
Follow the local regulations and electrical installation standards for
grounding. The recommended grounding wire size is 10 gauge (5.5 mm
2
)
or more.
Fig. 3-1: Grounding Method
WARNING
• Ground resistance must be 100Ω or less.
Failure to observe this warning may result in fire or electric shock.
• Before wiring, make sure to turn OFF the primary power supply, and
put up a warning sign. (ex. DO NOT TURN ON THE POWER.)
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.
NOTICE
• Never use this line sharing 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.
A
5.5 mm
2
or more
Bolt M8 (for grounding)
(Delivered with M3XSL Positioner)
Enlarged View A
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