Filter
Top Products
A - 8
(6) Usage methods
CAUTION
Immediately turn OFF the power if smoke, abnormal sounds or odors are emitted from the
position board, servo amplifier or servo motor.
Always execute a test operation before starting actual operations after the program or
parameters have been changed or after maintenance and inspection.
Do not attempt to disassemble and repair the units excluding a qualified technician whom our
company recognized.
Do not make any modifications to the unit.
Keep the effect or electromagnetic obstacles to a minimum by installing a noise filter or by using
wire shields, etc. Electromagnetic obstacles may affect the electronic devices used near the
position board or servo amplifier.
When using the CE Mark-compliant equipment, refer to this manual for the position boards and
refer to the corresponding EMC guideline information for the servo amplifiers, inverters and other
equipment.
Use the units with the following conditions.
Item Conditions
Input power According to each instruction manual.
Input frequency According to each instruction manual.
Tolerable momentary power failure According to each instruction manual.
(7) Corrective actions for errors
CAUTION
If an error occurs in the self diagnosis of the position board or servo amplifier, confirm the check
details according to the instruction manual, and restore the operation.
If a dangerous state is predicted in case of a power failure or product failure, use a servo motor
with electromagnetic brakes or install a brake mechanism externally.
Use a double circuit construction so that the electromagnetic brake operation circuit can be
operated by emergency stop signals set externally.
24VDC
B
RA1
EMG
Servo motor
Electromagnetic
brakes
Shut off with the
emergency stop
signal (EMG).
Shut off with servo ON signal OFF,
alarm, electromagnetic brake signal.
If an error occurs, remove the cause, secure the safety and then resume operation after alarm
release.
The unit may suddenly resume operation after a power failure is restored, so do not go near the
machine. (Design the machine so that personal safety can be ensured even if the machine
restarts suddenly.)