ABB i-bus
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Planning and application
246 2CDC508134D0202 | FCA/S 1.x.x.1
4.2.2 Time function
The Time function can be enabled (value 0) and disabled (value 1) via the bus (1 bit communication object
Disable function Time). The output operates without a delay as long as the Time function is disabled.
The following functions can be undertaken using the Time function:
Staircase light
You can switch, for example, between functions, e.g. function Staircase lighting (night time operation) and
normal ON/OFF switch function (daytime operation).
4.2.2.1 Staircase light
After the staircase lighting time T
ON
has elapsed, the output switches off automatically. For every telegram
with the value 1, the staircase lighting time restarts, unless the parameter Extending staircase lighting time
by multiple operation ("Pumping up") is set to No (not retriggerable) in Parameter window Time, p. 166.
The reaction is the basic reaction of the Staircase lighting function.
Via “pumping up” – actuation of the push button several times in succession – the user can adapt the
staircase lighting to current needs. The maximum duration of the staircase lighting time can be set in the
parameters.
If the device receives a further ON telegram when the staircase lighting is switched on, the staircase
lighting time is added to the remaining period.
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