Delta Electronics AC Motor Drive VFD-VE Series - Manual (Page 209)

Chapter 4 Parameters|
4-160 Revision August 2008, 03VE, SW V2.04
PI
Hz
10-06
10-07
10-04
10-05
10-21
10-22
0Hz
10-08
5Hz 5Hz
PI
Hz
11-03
11-02
0Hz
10-08
5Hz 5Hz
PI adjustment-manual gain PI adjustment-auto gain
1. Pr. 11-01 value
2. set Pr.11-00 to 1
Pr.11-11
use to adjust the
strength of zero-
servo lock
11-01 Per Unit of System Inertia Unit: 1
Control
mode
FOCPG
Factory Setting: 400
Settings 1 to 65535 (256=1PU)
To get the system inertia from Pr.11-01, user needs to set Pr.11-00 to 2 and execute
continuous forward/reverse running.
11-02 Low-speed Bandwidth Unit: 1
Control
mode
FOCPG
Factory Setting: 10
Settings 0 to 40Hz
11-03 High-speed Bandwidth Unit: 1
Control
mode
FOCPG
Factory Setting: 10
Settings 0 to 40Hz
11-11 Zero-speed Bandwidth Unit: 1
Control
mode
VFPG FOCPG TQRPG
Factory Setting: 10
Settings 0 to 40Hz
After estimating inertia and set Pr.11-00 to 1 (auto tuning), user can adjust parameters Pr.11-
02, 11-03 and 11-11 separately by speed response. The larger number you set, the faster
response you will get. Pr.10-08 is the switch frequency for low-speed/high-speed bandwidth.
11-04 PDFF Gain Value Unit: 1
Control
mode
FOCPG
Factory Setting: 30
Settings 0 to 200%