Theben DU 1 Manual page 74

1-channel flush-mounted dimming actuators
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8.2.4
Simulation of daily routine
Using a time switch, it is possible to simulate an entire daily routine with sunrise and sunset. To
do this, the Time between Soft ON and Soft OFF parameter needs to be set to Until Soft OFF
telegram (See object Soft switching).
The time switch sends a Soft On telegram (=1) in the morning and a Soft Off telegram (=0) in
the evening to object Soft switching.
P
100 %
Val.
Min.
0 %
Min. Configurable Minimum dimming value
Val. Target dimming value, i.e. configured Dimming value after Soft ON
t(h) Time sequence
Soft ON will be sent by the timer:
A
The brightness is immediately adjusted to the configured minimum dimming value
t1 The brightness is gradually increased within the configured time for Soft ON
B Configured value after Soft ON is reached
t2 Time programmed in the time switch between Soft ON (1) and Soft OFF telegram (0)
C Soft OFF telegram has been received: Start of the Soft OFF phase
t3 The brightness is gradually reduced within the configured time for Soft OFF
D t3 has elapsed, the configured minimum dimming value has been reached and the system
dims to 0%
Flush-mounted dimming actuator DU 1
t1
A
B
t2
t3
C
t(h)
D

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