Advantages Of The Logo! Solution - Siemens LOGO! Series Manual

Functional diagram of the LOGO! solution
The block diagram for controlling the dereeler with LOGO! is as follows:
Manual dereeler control
Automatic mode on
Punching device off
Strip taut
Strip loose

5.7.4 Advantages of the LOGO! solution

If you use LOGO!, you need fewer switching devices less wiring is in-
volved. You also save on assembly time and space in the switch box. You
may even be able to use a smaller switch box.
LOGO! manual
EWA 4NEB 712 6006-02
Manual mode on I1
I3
x
I2
S
I4
R
I5
I6
Automatic mode on
Punching device off
x
Q1
I2
Q2
I4
x
Q3
Applications
Dereeler drive on
Indicator light for
automatic mode
Enable punching
device
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