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8
Transfer protocol
Interface KNX B8-TH
• Version: 24.08.2016 • Technical changes and errors excepted.
4.
Transfer protocol
Units:
Temperatures in degrees Celsius
Air humidity in %
Absolute air humidity in g/kg and/or g/m
3
Variables in %
4.1.
List of all communications objects
Abbreviation flags:
C
Communication
R
Read
W Write
T
Transfer
U
Update
No.
Text
Function
Flags
DPT type
Size
0
Software version
Output
R-CT
[217.1] DPT_Version
2 bytes
1
Plug-in sensor:
Malfunction
Output
R-CT
[1.1] DPT_Switch
1 bit
2
Temp. plug-in sensor:
External reading
Input
-WCT
[9.1] DPT_Val-
ue_Temp
2 bytes
3
Temp. plug-in sensor:
Reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
4
Temp. plug-in sensor: Total
reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
5
Temp. plug-in sensor: Min./
max. reading query
Input
-WC-
[1.17] DPT_Trigger
1 bit
6
Temp. plug-in sensor:
Minimum reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
7
Temp. plug-in sensor:
Maximum reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
8
Temp. plug-in sensor: Min./
max. reading reset
Input
-WC-
[1.17] DPT_Trigger
1 bit
9
Board sensor: Malfunction
Output
R-CT
[1.1] DPT_Switch
1 bit
10
Temp. board sensor:
External reading
Input
-WCT
[9.1] DPT_Val-
ue_Temp
2 bytes
11
Temp. board sensor:
Reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
12
Temp. board sensor: Total
reading
Output
R-CT
[9.1] DPT_Val-
ue_Temp
2 bytes
13
Temp. board sensor: Min./
max. reading query
Input
-WC-
[1.17] DPT_Trigger
1 bit