4.4 Wiring Servomotors
4.4.1 Wiring Precautions
4-11
4.4
Wiring Servomotors
4.4.1
Wiring Precautions
General Precautions
• Never perform any wiring work while the power supply is ON.
• Always connect the Servomotor Power Cable before you connect the Encoder Cable. If you
connect the Encoder Cable first, the encoder may be damaged due to the difference in elec-
trical potential from the FG.
• Never touch the connector pins on the Servomotor directly with your hands. Particularly the
encoder may be damaged by static electricity.
• Separate the Servomotor Power Cable from the I/O Signal Cables and Encoder Cable by at
least 30 cm.
• Do not connect Magnetic Contactors, reactors, or other devices on the cables that connect
the SERVOPACK and Servomotor. Failure to observe this caution may result in malfunction or
damage.
• Do not subject the cables to excessive bending stress or tension. Perform all wiring so that
stress is not applied to the Encoder Cable or Servomotor Power Cable.
• If you secure the cables with cable ties, protect the cables with cushioning material.
• Before you connect the wires, make sure that there are no mistakes in the wiring.
• Always use the connectors specified by Yaskawa and insert them correctly.
• When you connect a connector, check it to make sure there is no foreign matter, such as
metal clippings, inside.
• The connectors are made of resin. To prevent damage, do not apply any strong impact.
• Perform all wiring so that stress is not applied to the connectors. The connectors may break
if they are subjected to stress.
• If you move the Servomotor while the cables are connected, always hold onto the main body
of the Servomotor. If you lift the Servomotor by the cables when you move it, the connectors
may be damaged or the cables may be broken.
Do not connect the Servomotor directly to an industrial power supply. Doing so will destroy
the Servomotor. You cannot operate a Servomotor without a SERVOPACK that is designed
for it.
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