138 ACE-tronics G9 ASD Installation and Operation Manual
Auto Restart Selection
Program Protection Retry/Restart
This parameter Enables/Disables the ability of the ASD to start into a spinning
motor when the ST activation ceases (if so configured; see F110) momentarily
and is then reactivated (ST deactivation/ST activation) or after a power
interruption (momentary power failure).
Settings:
Off
Enabled (at Power Failure)
Enabled (at ST Activate/Deactivate)
Enabled (at ST Activate/Deactivate or Power Failure)
Enabled (at Run)
Direct Access Number — F301
Parameter Type — Se
lection List
Factory Default — Off
Changeable During Run — No
Regenerative Power Ridethrough
Program Protection Under-Voltage/Ridethrough
This parameter determines the motor-control response of the ASD in the event
of a momentary power outage or 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.
In a multiple-motor application, there will be a requirement to synchronize the
st
opping and restarting of the motors as not to cause breakage in the product
being processed by the motors stopping/starting at different times (e.g., wire
spools, bobbin winder for textile machines, etc.). Parameters F317 and F318
must be setup to synchronize motor operation as to avoid breakage in these
t
ypes of applications.
Note: If used to restart the motors, the Retry setup of F301 is required.
Note: The Jog function will not operate while in the Synchronized
Decel/Accel mode.
Settings:
Off
Ridethrough On
Decel Stop
Synchronized ACC/DEC (TB)
Synchronized ACC/DEC (TB + Power Off)
Ridethrough Setup Requirements
1. Select the Ri
dethrough Mode at F302.
2. Select the Ridethrough Time at F310.
3. Select the Synchronized Stop/Start Times at F317/F318 (if required).
Note: F317 and F318 are not functional while operating in the Torque
or Position control modes, or for the Jog Run function (F260).
4. Set a discrete input terminal to Power Failure Synchronized Signal and
activate the terminal to enable the Synchronized Accel/Decel function.
5. Select the Ridethrough Control Level at F629.
Direct Access Number — F302
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — Yes
F301 F302
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