Lenze E94AxHE Servo Drives 9400 HighLine (Firmware 01-37 Manuel d'utilisateur Page 294

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9400 HighLine | Parameter setting & configuration
TAs for interconnection via electrical shaft
Introduction | Application examples
294 Firmware 1.37 - 09/2006 L
Electronic gearbox as cascade
The technology application "Electronic gearbox" is often operated as cascade since
changes of speed/gearbox ratio of an upstream drive also have an effect on the
subsequent drive.
r Typical applications are, for instance, stretching machines, wire drawing machines and
roller mills.
r There is no position reference between tool and material. However, it may be required
to position the tools for maintenance work.
r The master speed is transmitted via the digital frequency or ETHERNET Powerlink (in
preparation).
[12-5] Electronic gearbox with real master (cascade)
r The following applies to the speed of the web in case of a cascade:
n Real master/slave 1
o Slave 2
p Digital frequency cascade (digital frequency extension module required)
i
SlaveMaster/Slave
d v
d
v
d v
R1
R2
R3
1
2
3
i
1
i
23

v
1
v
2
v
3
Digital
frequency
v
3
v
2
>
v
3
v
2
K=
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