9. Applications
Below we have provided some example projects for which
xLogic can be used.
Each instance includes the circuit program of its original
solution and the xLogic program solution.
Example Projects:
Dual-function switch
Automatic gate
Ventilation system
Industry door
Daylight lamps
Rainwater pump
NOTICE:
These examples of xLogic are provided as is and
free of charge to our clients, their form and function are
for demonstration purposes and if used should be fully
tested before implementation in a real application.
Also, we have to point out that errors may be present,
and we reserve the right to correct and amend these
examples without notice.
Dual-function switch
Requirements for stairway lighting systems.
The basic requirements for a stairway lighting system are
as follows:
When someone is using the stairs, the stairway
lights should be on.
If no one is in the stairway, the lights should go
out in order to save energy.
Standard solution
Up to now, two methods have been used to control such
a lighting system:
Pulse relay: When the lights are off, press any of
the pushbuttons to switch on the lights. When
the lights are on, press any of the pushbuttons to
switch off the lights again.
Disadvantage: People often forget to switch off the lights
Automatic stairway light switch: Press any one of
the pushbuttons to switch on the lights. The
lights switch off again automatically when a pre-
set off delay time has expired.
Disadvantage: You can't keep the lights switched on over
an extended period of time. The permanent on switch,
usually installed inside the stairway lighting timer unit,
may be difficult or impossible to access.
The wiring is the same for both systems.
xLogicsoft solution
The xLogic system can replace the automatic stairway light
switch or the pulse relay.
xLogic also lets you create a simple automatic stairway
light switch via the stairway light switch SFB.
You can also implement both functions (off delay timer
and pulse relay) in a single unit. What is more, you can
incorporate extra functions without making any alterations
to the wiring. In our example program, we have combined
the advantages of both the current impulse relay and the
automatic stairway lighting timer as follows:
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