3-2
3
Operation
3Operat ion
Operation and Adjustment
•Be sure to confirm the permissible range of motors and machines before operation because the Inverter
speed can be changed easily from low to high.
•Provide a separate holding brake if necessary.
Error Retry Function
•Do not come close to the machine when using the error retry function because the machine may abruptly
start when stopped by an alarm.
•Be sure to confirm the RUN signal is turned off before resetting the alarm because the machine may
abruptly start.
Non-Stop Function at Momentary Power Interruption
•Do not come close to the machine when selecting restart in the non-stop function at momentary power
interruption selection (b050) because the machine may abruptly start after the power is turned on.
Operation Stop Command
•Provide a separate emergency stop switch because the STOP key on the Digital Operator is valid only when
function settings are performed.
•When checking a signal during the power supply and the voltage is erroneously applied to the control input
terminals, the motor may start abruptly. Be sure to confirm safety before checking a signal.
Do not remove the front cover during the power supply and 5 minutes after the power shutoff.
Doing so may result in a serious injury due to an electric shock.
Do not operate the Digital Operator or switches with wet hands. Doing so may result in a serious injury due to an
electric shock.
Inspection of the Inverter must be conducted after the power supply has been turned off. Not doing so may result
in a serious injury due to an electric shock.
The main power supply is not necessarily shut off even if the emergency shutoff function is activated.
Do not change wiring, mode change switches (S7, S8), optional devices or replace cooling fans while the input
power is being supplied.
Doing so may result in a serious injury due to an electric shock.
Do not touch the Inverter fins, braking resistors and the motor, which become too hot during the power supply
and for some time after the power shutoff. Doing so may result in a burn.
Take safety precautions such as setting up a molded-case circuit breaker (MCCB) that matches the Inverter
capacity on the power supply side. Not doing so might result in damage to property due to the short circuit of the
load.
WARNING
CAUTION
Safety Information
Precautions for Use
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