Torque control, speed feedback
A winder winds material onto a roll or unwinds material
from a roll at a constant tension.
A device measures the radius of the roll and adjusts
the motor torque to ensure that the tension is constant.
The measuring device must have a non-linear output
signal.
The following must be programmed in order shown:
Function:
Parameter:
Setting:
Data value:
Configuration
100
Torque control, speed feedback[5]
Rotation, frequency/direction
200
Both directions, 0-132 Hz [1]
Reference/feedback range
203
-Max. - +Max.
[1]
Minimum reference
204
Set to min. torque (Nm)
Maximum reference
205
Set to max. torque (Nm)
Reference function
214
Relative
[1]
Terminal 32, encoder input A
306
Encoder feedback, input A
[25]
Terminal 33, encoder input B
307
Encoder feedback, input B
[24]
Encoder feedback, pulses/rev.
329
Set to encoder pulses per rev.
Terminal 53, analog input
308
Reference
[1]
Terminal 54, analog input
311
Relative reference
[4]
Speed PID lowpass filter
421
10 msec.
VLT
®
5000 Series
MG.51.C5.22 - VLT
p
is a registered Danfoss trademark.
171
Examples of
us
e
Summary of Contents for VLT 5000 Series
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