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3.9. Dead zone/Brightness correlation
Brightness in lux, +/- lux tolerance (dead band)
Dead zone
Brightness
100
200
300
400
500
12
600
14
700
16
800
19
900
21
1000
23
1100
26
1200
28
1300
30
1400
33
1500
35
1600
37
1700
40
1800
42
1900
44
2000
47
4. FUNCTIONAL BLOCKS
The functionality of the presence detector can be split up into the following blocks:
• Motion detection
• Brightness measuring
• Light control channel Switching
• Light control channel preset dimming with optional standby light function
• HVAC control channel (with presence function)
• Lighting dependent threshold switch
• 2 channel constant light control
The motion detector and the brightness sensor (lux) each work independently on the light channel and the HVAC channel.
The constant light controller receives the actual brightness value from the Lux sensor. The controller can
be switched on/off by a command via
object 16 or triggered by motion detection on the light or HVAC channel.
After switching or recovery of the KNX bus voltage, the presence detector usually generates a switch-on procedure.
4.1. Light control channel
The light control channel has two operating modes that can be selected via the detector operating mode parameters.
The possible settings are:
• fully-automatic
• semi-automatic
The differences between the fully-automatic and semi-automatic modes are:
• fully-automatic mode has three operating conditions: ready, active and passive
• semi-automatic mode has two operating conditions: ready and active
• semi-automatic mode does not switch the light on after motion has been detected.
Lighting can only be switched on manually by an external KNX switch.
4.1.1. OBJECT 0 OUTPUT – LIGHT – SWITCH
Output 1 bit
After each detected motion this output sends an "ON" command and starts the delay timer
The delay time can be set with parameter delay time from 1 second to 4 hours.
At the end of the programmed time interval an "OFF" command is sent to the output (object 0).
4.1.2. OBJECT 0 OUTPUT – LIGHT – COMPLETE DIMMING
Output 1 byte
This mode sends preselected dim values (0% to 100%) to the output for objective value for ON and for objective value for OFF respectively.
4.1.3. OBJECT 0 OUTPUT – LIGHT – SCENE
Output 1 byte
For the Objective value for ON or Objective value for OFF one of 32 scenes can be selected respectively.
2524X_2525XCH_ETS_description
1
2
3
2
5
7
5
9
14
7
14
21
9
19
29
24
36
28
43
33
50
38
57
42
64
47
72
52
79
57
86
61
93
66
100
71
107
75
114
80
122
85
129
90
136
94
143
4
5
6
10
12
15
19
24
30
29
37
44
39
49
59
48
61
74
58
73
89
68
85
104
77
98
119
87
110
133
96
122
148
106
134
163
116
146
178
125
159
193
135
171
207
145
183
222
154
195
237
164
207
252
174
220
267
183
232
281
193
244
296
2524X/2525XCH
7
8
9
17
20
23
35
40
46
52
61
69
70
81
92
87
101
115
105
121
138
122
142
161
140
162
184
157
182
207
175
202
230
192
222
253
210
243
276
227
263
299
245
283
322
262
303
345
280
324
368
297
344
391
315
364
414
332
384
438
350
405
461
10
26
52
78
104
129
155
181
207
233
259
285
311
337
362
388
414
440
466
492
518
11
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