SANCH S3000 Series, User Manual

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5-54
1
During a power loss, if the power loss time is less than the time defined by this parameter,
the AC drive will resume operation. If the Maximum Allowable Power Loss Time is
exceeded, the AC drive output is then turned off.
1
If the power loss occurs while the AC drive is under heavy load, it is possible all available
ride through power will be dissipated in the motor and the AC drive will shut down quickly
(less than 1 second).
1
The Momentary Power Loss function is only enabled while the “Lu” is displayed on the
keypad.
07-08 Base Block Time for Speed Search Factory setting 0.5
Settings 0.1~5.0 s
1
When a momentary power loss is detected, the AC drive waits for a specified time interval
determined by Pr.07-08 before resuming operation.
1
This parameter also determines the wait time after performing an external Base Block and
Fault Reset function.
07-09
Maximum Current Level for Speed Search Factory setting 150
Settings 20~200%
1
This parameter determines the maximum current level used for the speed search function.
The drive will only conduct a speed search if the drive’s output current is greater than the
current level set in this parameter. If the current is below this value, then the drive will
simply ramp up in a normal condition.
1
When speed search is conducted, the dive will follow the V/F curve determined by Pr.
01-00 to Pr.01-09.
1
This parameter is used for both the “Auto Acceleration/Deceleration Time” and “Speed
Search” functions.
Output
Frequency
Output
Voltage
07-08
07-07
07-06=01
07-08
07-07
07-06=02
Input
Power
Maximum Allowable
Power Loss Time
Baseblock Time
Speed Search
Speed
Synchronization
Detection
Baseblock Time
Maximum Allowable
Power Loss Time
The Procedure Diagram of "Re-activate after Momentary Power Loss"