ABB i-bus KNX Product Manual page 38

5.4.5 E 1...E2 brighter/darker dimming
4 5 B
Two buttons are connected to implement a dimmer function.
Objects 9 (dimming on/off) and 12 (dimming??? blind??? up/down) must then be
connected to ABB I-BUS® KNX DIM ACTUATORS
If the Dimming brighter function is selected on E2, the corresponding function, i.e.
Dimming darker is automatically set for E2.
With both inputs, a distinction is made between a short press and a long press of the
button. The time to distinguish between long and short button presses is set on the
Input E1 parameter page.
With a short press, the relevant telegram (ON or OFF) is sent; with a long press the
telegram is sent to the dimming object (obj.12).
Button press
long - When the button is pressed, a
(Acts on object start telegram is sent for brighter
12)
dimming
- on release, a stop telegram
short Switch-on telegram
(Acts on object
9)
See above: O verview: Function of the objects 9 .. 14.
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5.4.6 O ne-panel dimming operation
4 6 B
Advantage: One-panel operation requires only one button and therefore only
occupies one input.
Functional principle: With each press of the button, the dimming direction is
reversed or the light is switched on or off.
Button press
long - When the button is pressed, a
start telegram is sent for brighter
or darker dimming
- on release, a stop telegram
short Switch-on or switch-off telegram
See above: O verview: Function of objects 9 .. 14.
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E1
E1
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E2
- When the button is pressed, a 4-
bit start telegram is sent for darker
dimming
- on release, a stop telegram
Switch-off telegram
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