10/29
Technical data sheet: S000114123EN-1
Updated:
Created: 18/01/2021
Cat. No(s): 0 026 72/73/74/76/78/79
KNX controller multi-application DIN
7 . COMMUNICATION OBJECTS (continued)
7 .5 "Enable Input a…s" parameter (continued)
7 .5 .1 "a - Switch Sensor" parameter
This function is used, for binary inputs to which a switch or a push
button is attached, to send a switching telegram (ON, OFF or TOGGLE)
as a reaction to a rising and / or falling signal edge at this input. It has
only 1 bit communication objects.
Debounce:
Bouncing is the tendency of any two metal contacts in an
electronic device to generate multiple signals as the contacts close
or open; debouncing is any kind of hardware device or software that
ensures that only a single signal will be acted upon for a single opening
or closing of a contact.
A similar effect takes place when a switch made using a metal contact
is opened. The usual solution is a debouncing device or software that
ensures that only one digital signal can be registered within the space
of a given time (usually milliseconds).
Short/Long Press:
Distinguishing short from long presses is about
measuring the pulse length. The event is no longer emitted upon
pressing the button, but upon releasing it. This can affect the feeling of
responsiveness.
The picture of this step shows a long press and short press timing, with
a long press threshold of Tl periods. The button press longer than Td
period but shorter than Tl period this mean is short pressed occurs.
Distinction between long and short
operation
yes
*no
If the parameter is set no, the input will be evaluated normally on
every edge of the input signal. Yes is selected. There is a delay after
opening/closing the contact to determine whether there is a short or
long operation.
Connected contact type
normally closed
*normally open
This parameter is visible if there is distinction between short and
long operation. The contact type of the push button attached to the
channel is adjusted here.
Cyclic transmission of object
*no
”switch” = OFF
”switch” = ON
always
This parameter is visible if there is no distinction between short and
long actuation. This parameter determines if and when a switching
value is sent cyclically via the corresponding communication object.
Reaction on closing the contact (rising
edge)
*ON
OFF
TOGGLE
no reaction
This parameter is visible if there is no distinction between short and
long actuation. This parameter determines the switching value to be
sent when the contact is closed.
Reaction on opening the contact (falling
edge)
ON
*OFF
TOGGLE
no reaction
This parameter is visible if there is no distinction between short and
long operation. This parameter determines the switching value to be
sent when the contact is open.
7 . COMMUNICATION OBJECTS (continued)
7 .5 "Enable Input a…s" parameter (continued)
7 .5 .1 "a - Switch Sensor" parameter (continued)
Telegram is repeated every(transmission
cycle time): base
100ms
*1s
10s
1min
10min
This parameter determines the desired cycle time.
Period time: Base x Factor
Factor
2…
*30
…255
Select time factor, between [2…255]
Reaction on short operation
*ON
OFF
TOGGLE
no reaction
This parameter is visible if there is distinction between short and long
operation. This parameter determines the switching value to be sent
when the contact is short press.
Reaction on long operation
ON
*OFF
TOGGLE
no reaction
This parameter is visible if there is distinction between short and long
operation. This parameter determines the switching value to be sent
when the contact is long press.
Number of object for short/long operation *1 object
2 object
This parameter is visible if there is distinction between short and long
operation. Further communication object can be released by the
option 2 communication objects.
Debounce time
*10ms
…50ms…150ms
Debounce uses the input, which means checking twice in a short
period of time to make sure it’s definitely pressed.
CONTENTS
