LOGO! Manual
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Functional diagram of the LOGO! solution
x
T=
1s
Q2
Mo..Su
20:00 – 20.01
Mo..Su
21:00 – 21.01
Switch-off pulse generated by time switch
I5
T=
1s
Daylight con-
trol switch
x
I5
Switch-off pulse generated by daylight control switch
I1
I2
I3
I4
x
x
Q1
Q4
Q3
Luminaire 3
Corridor side
Luminaire 4
Corridor side
Luminaire 1
Window side
Luminaire 2
Window side
Advantages of the LOGO! solution
You can connect the lamps directly to LOGO! provided
the switching capacity of the individual outputs is not
exceeded. In the case of greater capacities, you should
use a power contactor.
Connect the brightness-sensitive switch directly to one
of LOGO!’s inputs.
You don’t need a time switch since this function is inte-
grated in LOGO!.
The fact that fewer switching devices are required
means that you can install a smaller sub-distribution unit
and thus save space.
Fewer devices are required
The lighting system can be easily modified.
Additional switching times can be set as required (stag-
gered switch-off pulses at the end of the day).
The brightness-sensitive switch function can easily be
applied to all lamps or an altered group of lamps.
Applications
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