Use of the diameter sensor – GE Industrial Solutions DV-300 DC Drive Users Manual User Manual
Page 294
GEI-100332Ga
——— FUNCTION DESCRIPTION ———
6
166
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
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