—————— Instruction manual ——————
311
Use of the diameter sensor
M
M
E
-10V
+10V
Feed-forward
Feed-back
5Kohm
E
R
DRIVE
DRIVE
Winder/unwinder
Dancer
Nip-roll
0-10V
Figure 6.16.3.12: Winder/unwinder control with sensor diameter
The diameter sensor can be used in case of unwinder system with automatic gear.
In these cases, it is necessary to know the value of the starting diameter, in order to calculate the reference of
the angular speed of the motor, before the insertion of the new core.
The transducer must set in order to supply a voltage signal proportional to the roll diameter.
F
V
90
900
1V
10V
min
max
450
5V
Figure 6.16.3.13: Relation between transducer signal and coil signal
Example:
Φ
min
= 90 mm
transducer output = 1V
Φ
max
= 900 mm
transducer output = 10V
Φ
= 450 mm
transducer output = 5V
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 ...
Page 373: ... Instruction manual 373 ...
Page 374: ... TPD32 EV 374 ...
Page 375: ... Instruction manual 375 ...
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Page 501: ... Instruction manual 501 APPENDIX 3 ACCESSORIES A3 1 EAM Adapter Kit EAM1579 EAM1580 ...
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