Delta Electronics AC Motor Drive VFD-VE Series - Manual (Page 143)

Chapter 4 Parameters|
4-94 Revision August 2008, 03VE, SW V2.04
Pr.05-26 to Pr.05-28 are used to set allowable slip level/time and over slip treatment when the
drive is running.
05-29 Hunting Gain Unit: 1
Control
mode
VF VFPG SVC
Factory setting: 2000
Settings 0 to 10000 (0: disable)
The motor will have current wave motion in some specific area. It can improve this situation by
setting this parameter. (When it is high frequency or run with PG, Pr.05-29 can be set to 0.
when the current wave motion happens in the low frequency, please increase Pr.05-29.)
05-31 Accumulative Motor Operation Time (Min.) Unit: 1
Control
mode
VF VFPG SVC FOCPG TQRPG
Factory setting: 00
Settings 00 to1439
05-32 Accumulative Motor Operation Time (Day) Unit: 1
Control
mode
VF VFPG SVC FOCPG TQRPG
Factory setting: 00
Settings 00 to 65535
Pr. 05-31 and Pr.05-32 are used to record the motor operation time. They can be cleared by
setting to 00 and time won’t be recorded when it is less than 60 seconds.