Delta VFD-M-D series, User Manual, Page: 102 / 163

Chapter 5 Parameters
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VFD-M-D Series
Revision Jan. 2007, MDE2, SW V1.05 5-69
7 - 10 Auto Restart After Fault Unit: 1
Settings 00 to 10 Factory Setting: 06
00 Disable
After fault occurs, such as oc, ov, oH, oL, oL1, ocA, ocd, ocn, oL2, PGEr, doEr, the AC motor
drive can be reset/restarted automatically up to 10 times.
Setting this parameter to 0 will disable the reset/restart operation after any fault has occurred.
When enabled, the AC motor drive will restart with speed search, which starts at the frequency
before the fault. To set the waiting time before restart after a fault, please set Pr. 7-11 Delay
Time for Speed Search.
7 - 11 Delay Time for Speed Search Unit: 0.1
Settings 0.1 to 600.0 sec Factory Setting: 2.0
This parameter should be set at a value to ensure that any residual regeneration voltage from
the motor on the output has disappeared before the drive is activated again.
When restart after fault, this parameter also can be used as time setting of the speed search.
When using PG (encoder), speed search will begin at the actual PG (encoder) feedback speed.
7 - 12
Current Limit for Speed Search
Unit: 0.1
Settings 20.0 to 200.0%
Factory Setting: 150.0
For speed search, this parameter is used to limit the output current.
When executing speed search, it will run by the V/f curve set in group 1.
7 - 13 Momentary Power Loss Operation Selection
Factory Setting: 00
Settings 00 Speed search starts with the Master Frequency reference value.
01 Speed search starts with the minimum frequency.
Refer to following diagram for details.