Appendix 9 Alarm In/Out Connections
This section is only for the speed domes with alarm in/out functions.
The speed dome can be connected with alarm inputs (0~5VDC) and alarm outputs.
Refer to the following diagrams for alarm output:
JQC-
3FG
Relay
30VDC
GND OUT
L N
～220V AC
Relay Output
Dome
(10 A 250VAC)
Diagram (left)
Diagram(right)
1A
OUT(n)
OUT(n)
+
-
DC
DC Load
Relay Output
Dome
OUT(n)
OUT(n)
Figure A.9.1 Alarm Out Connections
The alarm provides the relay output (no voltage), and the external power supply is
required when it connects to the alarm device.
For DC power supply (left diagram), the input voltage must be no more than
30VDC, 1A.
For AC power supply, the external relay must be used (right diagram) to prevent
damages to the speed dome and avoid risk of electric shock.
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