Rockwell Automation 9329 Drive Application Software Tension Control Gen. Units - Manual (Page 44)

FM – Tension Control
Drive Application Software – page 44 of 52
6.3.4 TrimFbWLead_Rad
This the Lead frequency in rad/second of the feedback filter. It is typically set to the
speed loop bandwidth (p97 in the PowerFlex 700S) to cancel the lag effect of the
velocity loop.
6.3.5 TrimFbWLag_Rad
This is the Lag frequency in rad/second of the feedback filter. It is typically set to five
times the lead frequency set above.
0 10 20 30 40 50 60 70 80 90 100
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Affects of wld
amplitude
time
wld=0.1
wld=1.0
wld=0.0
wld=0.03
Step Response
Time (sec)
Amplitude
0 0.2 0.4 0.6 0.8 1 1.2
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
comp
uncomp