
—————— Instruction manual ——————
303
Nip-rolls control with load cell
M
M
E
E
0....+10V
+10V
-10V
Feed-forward
Feed-back
-10V
Set
Load cell
Reverse
Forward
Tension set
Forward
Reverse
Line speed
reference
(Internal ramp
master drive)
DRIVE
DRIVE
Line speed
Master
Nip-roll
Figure 6.16.3.9: Nip-rolls control with load cell
Machine data:
Rated speed of slave motor Vn = 3000rpm
Slave motors speed corresponding to the max. line speed = 85% Vn = 2550rpm
Max. correction of the dancer = +/- 20% of the line speed = +/-510rpm
To the slave drive must be sent the analog signals regarding the line speed and the position of the load cell signal
(0... +10V) and the tension set (0... +10V), and the digital commands regarding the enabling of the PID control.
The regulator output will be sent to the speed reference 1.
Drive setting: (below are parameters regarding only the PID function)
Summary of Contents for TPD32-EV-...-2B
Page 1: ... Instruction manual Industrial Application DC drives TPD32 EV ...
Page 372: ... TPD32 EV 372 9 BLOCK DIAGRAM 9 1 CONTROL BLOCK DIAGRAMS ...
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Page 501: ... Instruction manual 501 APPENDIX 3 ACCESSORIES A3 1 EAM Adapter Kit EAM1579 EAM1580 ...
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