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11.4.15 Extended parameters — Use of output 2
Options:
–
No: There is only output 1, which sends its telegrams to an actuator.
–
Yes: An "output 2" communication object (output) is being enabled. The lighting can be now
switched on and off in two stages. First, "output 1" is switched on, and when the artificial
light is then not sufficient, also "output 2" is switched on. When the outside brightness
increases, "output 2" is switched off, and when the outside light is sufficient, also "output 1"
is switched off.
Fig. 22:
Time sequence of the constant light switch.
[The outside light (here yellow)] in this situation has a sinusoidal path with an amplitude of 1000 lux. The
magenta-coloured curve is the resulting inside light in lux. The brightness-value threshold is 400 lux with a
hysteresis of 10%.
11.4.16 Extended parameters — Value for switch-on at output 2
Options:
–
On: When the presence detector detects movement, value 1 is sent through the bus.
–
Off: When the presence detector detects movement, value 0 is sent through the bus.
KNX Technical Manual 2CKA001473B8667 │ 06.02.2017
Description of application and parameters
No
Yes
On
Off
Constant light switch application
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