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5
Please read here first (Continued)
5. Operation
WARNING
Always replace the front cover before switching input power on. While power is on, do not
remove the front cover. Doing so can cause an electric shock.
Operate the switches with dry hands. Not doing so can cause an electric shock.
Prepare an emergency stop switch separately. The "STOP/RESET" key of the operation
panel or parameter unit is valid for stopping only when the function setting has been made.
Not using a separate emergency stop switch can cause accidents.
When the stall prevention function is activated, operation will be performed independently
of the preset acceleration/deceleration time and preset speed. Design the machine to
ensure safety if the stall prevention function is activated. Not doing so can cause
accidents.
Selecting the retry function will restart the drive unit suddenly when it is at an alarm stop.
Design the machine to ensure personal safety if the drive unit is restarted. Not doing so
can cause accidents.
At the occurrence of an alarm, turn off the run signal before resetting the alarm. The drive
unit will restart abruptly if you reset the alarm with the run signal on. It can cause injury.
At occurrence of an alarm, turn off the run signal. If you do not turn off the run signal, the
alarm may be reset due to power OFF-ON at occurrence of an instantaneous power failure
or like, restarting the drive unit suddenly. It can cause injury.
CAUTION
You can set the motor speed easily between low speed and high speed. Set the speed
command which will not exceed the permissible range of machine design. Not doing so
can cause accidents.
If the motor is rotated by the load, ensure that the motor will not exceed its maximum
speed. The drive unit may be damaged.
While power is on or some time after power-off, do not touch the heat sink and brake
resistor as they are hot. You may get burnt.
The electronic overcurrent protection function for motor overheat protection is initialized
when the drive unit is reset. Frequent resetting of the drive unit will disable motor overheat
protection. The motor may be burnt if it is operated under overload.