Code Table Diagnostics Byte "Feedback" (No. 25) - ABB i-bus KNX Product Manual

®
ABB i-bus KNX
Appendix
A.4

Code table Diagnostics byte "feedback" (no. 25)

With the 2 byte communication object Diagnostics byte, the information about a DALI device or a lighting
group is provided on the KNX. The communication object Diagnostics byte is updated and sent on KNX, if
a telegram is received on the same communication object and bit 7 of the low byte is set with value 1.
For further information see: Communication objects no. 25, page 111.
The 2 byte communication object Request Diagnostics can be subdivided into two 1 byte values: the Low
byte (bit 0...7) and the High byte (bit 8...15).
In the low byte, the information of the communication object Request Diagnostics is repeated. The value
zero in bit 7 shows that the object value is a report.
The following code table shows the relationship between the value of the communication object of the High
byte and the status of the DALI system with its DALI devices or the lighting group.
Bit
No.
0 00
1 01
2 02
3 03
4 04
5 05
6 06
7 07
8 08
9 09
10 0A
11 0B
12 0C
13 0D
14 0E
15 0F
16 10
17 11
18 12
19 13
20 14
21 15
22 16
23 17
24 18
25 19
26 1A
27 1B
28 1C
29 1D
30 1E
31 1F
32 20
33 21
34 22
35 23
36 24
37 25
38 26
39 27
= value 1, applies
empty = value 0, not applicable
156 2CDC 507 114 D0201 | DGN/S 1.16.1
7 6 5 4 3 2 1
Bit
0 7
No.
1 40 28
2 41 29
3 42 2A
4 43 2B
5 44 2C
6 45 2D
7 46 2E
8 47 2F
9 48 30
10 49 31
11 50 32
12 51 33
13 52 34
14 53 35
15 54 36
16 55 37
17 56 38
18 57 39
19 58 3A
20 59 3B
21 60 3C
22 61 3D
23 62 3E
24 63 3F
25 64 40
26 65 41
27 66 42
28 67 43
29 68 44
30 69 45
31 70 46
32 71 47
33 72 48
34 73 49
35 74 4A
36 75 4B
37 76 4C
38 77 4D
39 78 4E
40 79 4F
6 5 4 3 2 1 0
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16