SKS Sweden Bonfiglioli Vectron ACTIVE CUBE ACU 201 Series, Operating Instructions Manual

Page: 227 / 260

09/08
Operating Instructions ACU
225
17.8 Traverse function
With the traverse function, a triangle-shaped frequency signal with the acceleration
and deceleration times to be set is superimposed on the output frequency. The re-
sulting signal courses of the reference frequency of master drive and slave drive are
shown in the following diagrams. The function can be used, for example, for drives
which wind up thread on coils in textile machines. To avoid winding errors at the
turning point of the thread guide, a proportional jump is performed which causes a
quick speed change.
Acceleration
Time
436
Deceleration
Time
437
Proportional Step
439
Traverse Amplitude
438
Master drive
Reference
Frequency
48
Reference
Frequency
48
f
t
t
t
f
0
0
Slave drive
Handshake
In the case of the master drive, the superimposed traverse frequency proceeds li-
nearly to the limit
Traverse Amplitude
438 and then reverses its direction. When the
direction is reversed, a proportional step is affected. Via a handshake signal, the
master drive informs the slave drive that the traverse output has changed its direc-
tion. The traverse function of the slave drive has the same gradient as the traverse
function of the master drive, but with opposite sign. When the slave drive reaches
the limit
Traverse Amplitude
438 before switch-over of the handshake signal, the
frequency is maintained until switch-over is affected. If the handshake signal is re-
ceived before the frequency limit is reached, the direction is reversed immediately.
Parameter Settings
No. Description Min. Max. Fact. sett.
436 Acceleration Time 0.01 s 320.00 s 5 s
437 Deceleration Time 0.01 s 320.00 s 5 s
438 Traverse Amplitude 0.01 % 50.00 % 10 %
439 Proportional Step 0.01 % 50.00 % 0.01%
Operation Mode
435
Acceleration Time
436
Deceleration Time
437
Traverse Amplitude
438
Proportional Step
439
Traverse function Input signals Output signals
Reference Frequency
48
Handshake Traverse Function
49
14 - Sweep Output
15 - Sweep Handshake
(from Master drive)
Signal „14 – Traverse Output“ is added to the reference frequency value.
Operating Instructions ACU 225 09/08