Q9 ASD Installation and Operation Manual 109
Ridethrough Mode
Program Protection
This parameter determines the motor-control response of the drive in the event of
a momentary power outage or an under-voltage condition.
During a Ridethrough, regenerative energy is used to maintain the control
circuitry settings for the duration of the Ridethrough; it is not used to drive the
motor. The motor(s) of the system are stopped and then restarted automatically if
so configured.
Note: If used to restart the motors, the Retry setup of F301 is required.
Settings:
0 — Off
1 — Ridethrough On
2 — Decel Stop
Ridethrough Setup Requirements
1. Select the Ridethrough Mode at F302.
2. Select the Ridethrough Time at F310.
Direct Access Number — F302
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — Yes
F302 F302
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