Fault Addressed "Request" (No. 21) Code Table - ABB i-bus KNX Product Manual

Dali-gateway basic dg/s x.64.1.1
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ABB i-bus
KNX
Appendix
A.2

Fault addressed "Request" (no. 21) code table

The 2-byte group object Fault addressed makes all the information about a ballast or group available on
the KNX. The information is requested when a 2-byte telegram with a set bit 7 in the Low byte is received
on the Fault addressed group object. The bit 6 in the Low byte indicates whether the request is for a
ballast or a group.
The High byte is not relevant to the information request and is therefore simply set to 0 for the request.
This produces the following telegram values for requesting the corresponding information about the ballast
or group.
To request the information, the decimal value can be sent to the gateway as DTP 7.001 via the 2-byte
group object Fault addressed.
Bit
No.
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
= Value 1, applicable
empty = value 0, not applicable
7
6
5
4
3
80
81
82
83
84
85
86
87
88
89
8A
8B
8C
8D
8E
8F
90
91
92
93
94
95
96
97
98
99
9A
9B
9C
9D
9E
9F
A0
A1
A2
A3
A4
A5
A6
A7
Bit
2
1
0
No.
1
168
2
169
3
170
4
171
5
172
6
173
7
174
8
175
9
176
10
177
11
178
12
179
13
180
14
181
15
182
16
183
17
184
18
185
19
186
20
187
21
188
22
189
23
190
24
191
25
192
26
193
27
194
28
195
29
196
30
197
31
198
32
199
33
200
34
201
35
202
36
203
37
204
38
205
39
206
40
207
7
6
5
4
3
A8 
A9 
AA 
AB 
AC 
AD 
AE 
AF 
B0 
B1 
B2 
B3 
B4 
B5 
B6 
B7 
B8 
B9 
BA 
BB 
BC 
BD 
BE 
BF 
C0 
C1 
C2 
C3 
C4 
C5 
C6 
C7 
C8 
C9 
CA 
CB 
CC 
CD 
CE 
CF 
DG/S x.64.1.1 | 2CDC507164D0201 229
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

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