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(2) Wiring
CAUTION
y
Wire the equipment correctly and securely. Otherwise, the servo motor may misoperate.
y
Do not install a power capacitor, surge absorber or radio noise filter between the servo motor and servo
amplifier.
y
Connect the output terminals (U, V, W) correctly. Otherwise, the servo motor will operate improperly.
y
Do not connect AC power directly to the servo motor. Otherwise, a fault may occur.
y
The surge absorbing diode installed on the DC output signal relay must be wired in the specified direction.
Otherwise, the emergency stop and other protective circuits may not operate.
COM
(24VDC)
Servo
Amplifier
RA
Control
output
signal
RA
Servo
Amplifier
COM
(24VDC)
Control
output
signal
(3) Test run adjustment
CAUTION
y
Before operation, check the parameter settings. Improper settings may cause some machines to perform
unexpected operation.
y
The parameter settings must not be changed excessively. Operation will be instable.
(4) Usage
CAUTION
y
Provide an external emergency stop circuit to ensure that operation can be stopped and power switched off
immediately.
y
Any person who is involved in disassembly and repair should be fully competent to do the work.
y
Before resetting an alarm, make sure that the run signal is off to prevent an accident. A sudden restart is
made if an alarm is reset with the run signal on.
y
Do not modify the equipment.
y
Use a noise filter, etc. to minimize the influence of electromagnetic interference, which may be caused by
electronic equipment used near the servo amplifier.
y
Use the servo amplifier with the specified servo motor.
y
The electromagnetic brake on the servo motor is designed to hold the servo motor shaft and should not be
used for ordinary braking.
y
For such reasons as service life and mechanical structure (e.g. where a ballscrew and the servo motor are
coupled via a timing belt), the electromagnetic brake may not hold the servo motor shaft. To ensure safety,
install a stopper on the machine side.