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instabus KNX/EIB System
Sensor
Function of channel 4
Delay on return of bus
voltage, base
Delay on return of bus
voltage, factor (3 ... 127)
Debouncing time,
(factor 10 ... 255)
(base = 0.5 ms)
Telegram rate limitation
Telegrams per 17 s
When a channel (X = 1 to 4) of the pushbutton interface is used as binary input
Input X
Function of input X
74/82 Page 2100-xx/2101 xx
binary input
input for temperature sensor
temperature limiter
(underfloor heating)
130 ms
260 ms
520 ms
1 s
2.1 s
...
1.2 h
3 ... 127, 17
10 ... 255, 60
disabled
enabled
30
60
100
127
no function
switching
dimming
blind/shutter
value transmitter
Channel 4 can optionally be used as input for a
potential-free contact, as external temperature
sensor of the room temperature controller or as
temperature limiter for an underfloor heating.
When used as temperature sensor, the
parameter "Temperature detection" on
parameter page "Room temperature
measurement" must at the same time be set to
"external sensor" or "internal and external
sensor".
When used as temperature limiter, the other
settings are made on a separate parameter
page.
For all channels of the pushbutton interface it is
possible to define a common delay time during
which no reactions take place or no telegrams
are transmitted after return of bus voltage.
The pushbutton interface begins to evaluate the
separately parameterized reactions of the
channels only after this delay has elapsed.
If the delay time is less than 17 seconds and if
the telegram rate limitation is additionally active,
the defined behaviour of the channels on return
of bus voltage will not be executed.
Depending on the quality of the contacts
connected, this parameter can be used to
define how long the contact must be actuated
until the pushbutton interface detects a valid
press.
If the telegram rate limitation is enabled, the
pushbutton interface does not transmit
telegrams in the first 17 seconds after bus
voltage return.
When the telegram rate limitation is activated,
this parameter defines the maximum number of
telegrams that can be transmitted.
When used as binary input, the available
settings are the same for all channels.
07 /17
Subject to change without notice
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