Provide an external emergency stop circuit to ensure that operation can be stopped and power switched
off immediately.
Do not disassemble, repair, or modify the equipment.
Before resetting an alarm, make sure that the run signal of the driver is off in order to prevent a sudden
restart. Otherwise, it may cause an accident.
Use a noise filter to reduce the effects of electromagnetic interference. Electromagnetic interference may
occur on electronic devices used near the driver.
Do not burn or disassemble the driver, as toxic gas may be generated.
Use a noise filter, etc. to minimize the influence of electromagnetic interference. Electromagnetic
interference may be given to the electronic equipment used near the driver.
Burning or breaking a driver may cause a toxic gas. Do not burn or break it.
Use the driver with the specified servo motor.
The lock on the servo motor is designed to hold the motor shaft and should not be used for ordinary
braking.
For such reasons as service life and mechanical structure (e.g. where a ball screw and the servo motor
are coupled via a timing belt), the lock may not hold the motor shaft. To ensure safety, install a stopper
on the machine side.
When it is assumed that a hazardous condition may occur due to a power failure or product malfunction,
use a servo motor with a lock or external lock to prevent the condition.
Do not use the 24 V DC interface power supply for the lock.
Configure a lock circuit so that it is activated also by an external EMG stop switch.
Servo motor
Electromagnetic brake
B
RA
Contacts must be opened
w ith the EMG stop sw itch.
Contacts must be opened when ALM
(Malfunction) or MBR (Electromagnetic
brake interlock) turns off.
24 V DC
When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before
restarting operation.
Provide an adequate protection to prevent unexpected restart after an instantaneous power failure.
Contacts must be opened when ALM
(Malfunction) and MBR (Electromagnetic
brake interlock) turns off.
Refer to section 3.9 when wiring for the circuit configuration.
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