Yaskawa V74X Drives - Manual (Page 46)

Drive Parameter Listing
(n128-n140)
Section 8
PARA- SETTING RANGE SETTING FACTORY USER PARA.
METER NAME (AND UNITS) INCREMENT SETTING SETTING REF.
0: PID control disabled
1: D = Feed Forward
2: D = Feedback
3: Reference + PID (D = Feed Forward)
4: Reference + PID (D = Feedback) 1 0
n128 PID Control Selection 5: Inverse PID - D = Feed Forward
6: Inverse PID - D = Feedback
7: Inverse PID - Reference + PID
(D = Feed Forward)
8: Inverse PID - Reference + PID
(D = Feedback)
n129 PID Feedback Gain (Note 4) 0.00 to 10.00 0.01 1.00
n130 PID Proportional Gain (Note 4) 0.00 to 25.00 0.1 1.0
n131 PID Integral Time (Note 4) 0.00 to 360.00 0.1 s 1.0 5.28
5.31
n132 PID Derivative Time (Note 4) 0.00 to 2.50 0.01 0.00
n133 PID Offset Adjustment (Note 4) -100 to 100 1% 0
n134 Integral Value Limit (Note 4) -100 to 100 1% 100
n135 PID Output Lag Filter Time (Note 4) 0.0 to 10.0
0.1 s 1.0
Feedback Loss
0: Disabled
n136 1: Enabled - Alarm (operation continues) 1 0
Detection Selection
2: Enabled Fault (coast to stop)
n137
Feedback Loss
Detection Level
0 to 100 1% 0
n138
Feedback Loss
Detection Time
0.0 to 25.5
0: Energy saving disabled
n139
Energy Saving Selection
1: Energy saving enabled
1 0 (Note 2)
Note: Energy saving becomes enabled by
(Energy Saving)
V/f control mode
n140
Energy Saving Gain
K2 (Energy Saving)
0.00 to 6550 0.1 or 1 (Note 1)
Drive Parameters - Continued
46
IG.V7.01_new format.qxd:IG.V7.01_new format.qxd 8/21/07 2:24 PM Page 46