A - 10
CAUTION
Note that when the reference axis speed is designated for interpolation operation, the speed of
the partner axis (2nd axis, 3rd axis and 4th axis) may be larger than the set speed (larger than
the speed limit value).
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 module 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 servomotor
with an electromagnetic brake 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
brake
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.)
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