Data sheet
USB502
T 811 156 en a
5 / 6
Terminal assignment
Terminal Signal
1
GND line (in and out)
2
Plus line (in or out, data)
3
Plus line (in or out, data)
4
GND alarm output
5
Plus alarm output
6
Support point (screening)
USB 502-20:
The terminals 4 and 5 (alarm output) are used for
triggering the illuminated ring. Additional use is not
permitted!
The data sheet of the respective detector must be observed during
connection.
Connection examples
Fig. 8 USB 502 connection with line technology
Fig. 9 USB 502 connection with addressable loop technology
Dimensioned drawings
Fig. 10 USB 502-1, USB 502-6, USB 502-8 Ex-i
Fig. 11 USB 502-2
Fig. 12 USB 502-3
Fig. 13 USB 502-4
Fig. 14 USB 502-5
Fig. 15 USB 502-7 Ex-i
Fig. 16 USB 502-20
GND
1
3
4
5
6
2
SHLD
–
+
L1
L2
1
3
4
5
6
2
SHLD
GND
L1
L2
SHLD
3 K
Final detector
–
+
GND
1
3
4
5
6
2
1
3
4
5
6
2
GND
1
3
4
5
6
2
SHLD
–
+
L1
L2
SHLD
GND
L1
L2
SHLD
1
3
4
5
6
2
–
+
25
9
104
118,5
4,5
158
50
50
14,5
123,5
75
92
4,5
158
206
118,5
70
max.
60
50
14,5
123,5
ca. 167
25
9
104
118,5
