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21
ANNEX I. 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.
Number
Size
I/O
Flags
Data type (DPT)
Functional Range
Name
Function
1
1 Bit
I
C T - W
-
DPT_Trigger
0/1
Master
Notification of master mode operation
1 Bit
C T - - -
DPT_Ack
0/1
Operating Notification
Notification that the device is working
properly
2
1 Bit
I
C T - W
-
DPT_Trigger
0/1
Slave
Notification of slave mode operation
3
1 Bit
C T - - -
DPT_Ack
0/1
Role Switch
Role switch notification
4
2
Bytes
I
C T - W
-
DPT_Value_2_Ucount
0 - 65535
Checksum
Configuration checksum
5
1 Bit
O
C T R -
-
DPT_Alarm
0/1
Configuration Error
0 = No Error; 1 = Configuration Error
6, 73, 140, 207, 274, 341, 408, 475, 542,
609, 676, 743, 810
1 Bit
I
C - - W
-
DPT_Switch
0/1
[HTx] [A] On/Off
0 = Off; 1 = On
7, 74, 141, 208, 275, 342, 409, 476, 543,
610, 677, 744, 811
1 Bit
O
C T R -
-
DPT_Switch
0/1
[HTx] [A] On/Off Status
0 = Off; 1 = On
8, 75, 142, 209, 276, 343, 410, 477, 544,
611, 678, 745, 812
1 Byte
I
C - - W
-
DPT_SceneControl
0-63; 128-191
[HTx] [A] Scene Input
Scene Value
9, 76, 143, 210, 277, 344, 411, 478, 545,
612, 679, 746, 813
2
Bytes
I
C - - W
-
DPT_Value_Temp
-273.00° -
670760.00°
[HTx] [A] Temperature Source 1
External Sensor Temperature
10, 77, 144, 211, 278, 345, 412, 479,
546, 613, 680, 747, 814
2
Bytes
I
C - - W
-
DPT_Value_Temp
-273.00° -
670760.00°
[HTx] [A] Temperature Source 2
External Sensor Temperature
11, 78, 145, 212, 279, 346, 413, 480,
547, 614, 681, 748, 815
2
Bytes
O
C T R -
-
DPT_Value_Temp
-273.00° -
670760.00°
[HTx] [A] Room Temperature
Current Temperature
12, 79, 146, 213, 280, 347, 414, 481,
548, 615, 682, 749, 816
1 Bit
I/O
C - R W
-
DPT_Heat_Cool
0/1
[HTx] [A] System Mode
0 = Cooling; 1 = Heating
13, 80, 147, 214, 281, 348, 415, 482,
549, 616, 683, 750, 817
1 Bit
I/O
C - R W
-
DPT_Heat_Cool
0/1
[HTx] [A] User Mode
0 = Cooling; 1 = Heating
14, 81, 148, 215, 282, 349, 416, 483,
550, 617, 684, 751, 818
1 Bit
I/O
C - R W
-
DPT_Switch
0/1
[HTx] [A] Force System Mode
0 = User Mode / Auto Change; 1 =
System Mode