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44
ANNEX II. COMMUNICATION OBJECTS
“Functional range
” shows the values that, with independence of any other values permitted by the bus according to the object size, may be of any use or have a particular
meaning because of the specifications or restrictions from both the KNX standard or the application program itself.
“
1st boot
” shows the cases where an object is assigned a certain value by the application program after a device download or a full reset. In case the value of such assignment
can be parameterised,
√
is shown in column “
P
”.
Objects showing a hyphen (-) are not assigned a particular value and therefore can be assumed to be initialised with the value “0”,
or with the corresponding updated value in case they depend on an external element (sensors, etc.). Moreover, if the object is sent (or is there an option to send it) to the bus
(write or read requests) after a download or a device reset from ETS, the marks
(W)
or
(R)
will be shown, respectively for transmissions or read requests.
“
Reboot
” shows the cases where an object is assigned a certain value by the application program after a bus power failure. In case the value of such assignment can be
parameterised,
√
is shown in column “
P
”.
Objects showing a hyphen (-) are not assigned a particular value and therefore can be assumed to maintain their previous value after the
failure, or with the corresponding updated value in case they depend on external elements. Moreover, if the object is sent (or is there an option to send it) to the bus (write or read
requests) after a bus failure, the marks
(W)
or
(R)
will be shown, respectively for transmissions or read requests.
Number
Size
I/O
Flags
Data Type (DPT)
Functional Range
1st boot
P
Reboot
P
Name
Function
0, 1, 2, 3, 4, 5
1 Bit I/O
C - R W U
DPT_Switch
0/1
-
-
[Ind x] Binary Indicator
1-bit generic indicator
1 Byte I/O
C - R W U
DPT_Value_1_Ucount
0 - 255
-
-
[Ind x] Enum Indicator
1-byte enumeration
2 Bytes I/O
C - R W U
9.xxx
-671088.64 – 670760.96
-
-
[Ind x] Float Indicator
2-byte float value
1 Byte I/O
C - R W U
DPT_Value_1_Ucount
0 - 255
-
-
[Ind x] 1-byte Indicator
1-byte generic indicator
1 Byte I/O
C - R W U
DPT_Scaling
0% - 100%
-
-
[Ind x] Scaling Indicator
Scaling value
6, 14, 22, 30
1 Bit I/O
C T R W U
DPT_Switch
0/1
-
-
[P1][Bx] Binary Control
1-bit generic control
1 Bit O
C T R - -
DPT_Switch
0/1
-
-
[P1][Bx] Binary Control: Hold
1-bit generic control
1 Bit I/O
C T R W U
DPT_Switch
0/1
-
-
[P1][Bxy] Binary Control
1-bit generic control
1 Bit I/O
C T R W U
DPT_Switch
0/1
-
-
[P1][Bxy] Light On/Off
0=Off; 1=On
1 Bit O
C T R - -
DPT_UpDown
0/1
-
-
[P1][Bxy] Move Shutter
0=Up; 1=Down
1 Bit I/O
C T R W U
DPT_Switch
0/1
-
-
[P1][Bx] Light On/Off
0=Off;1=On
1 Bit O
C T R - -
DPT_Switch
0/1
-
-
[P1][Bx] Timed switch control
1-bit generic control
7, 15, 23, 31
1 Bit O
C T R - -
DPT_Switch
0/1
-
-
[P1][Bx] Binary Control: Release
1-bit generic control
1 Bit O
C T R - -
DPT_Step
0/1
-
-
[P1][Bxy] Stop Shutter
0 or 1 -> Stop
1 Bit
I
C - - W -
DPT_Enable
0/1
-
-
[P1][Bx] Timer enable
0=Disable; 1=Enable