TV6.2
29
4 Adjustments
Tacho control
In order to control the speed by means of the tacho actual value, the switch
S6:K4 must be open. The polarity of the tacho signal at X1: 22c (X1:6) and the
command value input (X1: 6)
must be opposite
.
The rough adjustment of the actual value is achie-
ved by means of the binary switch S9 .
The fine adjustment of the maximum speed with
maximum command value is achieved by means
of the potentiometer P4 (n
max
) .
When replacing the control electronics, the positi-
on of the switches and potentiometers can be ta-
ken over.
When closing the switch S3:K3 the tacho signal can
be smoothed by means of a capacitor of 0.1
F.
Switch S9
Rough tacho adjustment
Position
0
1
2
3
4
5
6
7
8
9 to F
Poti position n
max
Tach voltage
155
52
41
14,7
14
12,9
12,5
6,9
6,8
k
Armature voltage control
In order to control the speed by means of the armature voltage as actual va-
lue, the switch S6:K4 must be closed (ON).
Switch S9 in position 0.
The fine adjustment of the maximum speed at maximum command value is
achieved by means of the potentiometer P4 (n
max
).
For IxR compensation the switch S1:K4 is closed (ON).
The speed drop IxR is compensated for by the potentiometer P2 (IxR), so that in
case of a low speed and 50% load jump the speed does not drop into idle run-
ning. (Less possible speed drop between load and idle running.)
In case of a PI-setting with a low amplification and a long integration time, a
D-capacitor of 0.47
F can be activated by means of the switch S3:K4 in order to
reduce overshooting of the speed.
Содержание TV 6.2
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Страница 17: ...TV6 2 17 4 Adjustments Anschluss Kompaktgerät Anschluss Mehrachskombination ...
Страница 38: ...Transistor Servo Drive TV6 2 38 ...
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Страница 41: ...TV6 2 41 8 Circuit Diagrams ...