Yaskawa SGDH Linear Sigma Series - Manual (Page 10)

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„ Wiring
• Securely tighten the cable connector screws and securing mechanism.
If the connector screws and securing mechanism are not secure, they may loosen during operation.
• Use power lines and cables with a radius, heat resistance, and flexibility suitable for the system.
• If the SERVOPACK malfunctions, turn OFF the main circuit’s power supply of the SERVOPACK.
The continuous flow of a large current may cause fire.
• Use a noise filter to minimize the effects of electromagnetic damage.
Failure to observe this caution may result in electromagnetic damage to electronic devices used near the SERVO-
PACK.
• Do not connect a three-phase power supply to the U, V, or W output terminals.
Failure to observe this caution may result in injury or fire.
• Securely connect the power supply terminals and motor output terminals.
Failure to observe this caution may result in fire.
• Do not bundle or run power and signal lines together in the same duct. Keep power and signal lines
separated by at least 30 cm (11.81 in).
Failure to observe this caution may result in malfunction.
• Use shielded twisted-pair wire or shielded multi-core twisted-pair wire for the signal lines and feedback lines
of the serial converter unit (SC).
The maximum wiring length is 3 m for the reference input line and 20 m for the SC feedback line.
• Do not touch the power terminals for five minutes after turning power OFF because high voltage may still
remain in the SERVOPACK.
Make sure the charge indicator is turned OFF first before starting an inspection.
• Avoid frequently turning power ON and OFF. Do not turn power ON or OFF more than once per minute.
Since the SERVOPACK has a capacitor in the power supply, a high charging current flows for 0.2 seconds when
power is turned ON. Frequently turning power ON and OFF causes main power devices such as capacitors and fuses
to deteriorate, resulting in unexpected problems.
• Observe the following precautions when wiring main circuit terminal blocks.
• Remove the terminal block from the SERVOPACK prior to wiring.
• Insert only one wire per terminal on the terminal block.
• Make sure that the core wire is not electrically shorted to adjacent core wires.
• Do not connect the SERVOPACK for 100 V and 200 V directly to a voltage of 400 V.
The SERVOPACK will be destroyed.
• Be sure to wire correctly and securely.
Failure to observe this caution may result in motor overrun, injury, or malfunction.
• Always use the specified power supply voltage.
An incorrect voltage may result in burning.
• Make sure that the polarity is correct.
Incorrect polarity may cause ruptures or damage.
• Take appropriate measures to ensure that the input power supply is supplied within the specified voltage
fluctuation range. Be particularly careful in places where the power supply is unstable.
An incorrect power supply may result in damage to the product.
CAUTION