Appendix J : Hard Alarm Output - AVE VSI-PRO Operation Manual

HARD ALARM OUTPUT
The VSI-Pro provides two open collector transistor alarm outputs to trigger alarming devices. These are Alarm 1 & 2
in the Alarm menu. Upon an Exception, a VSI-Pro can be programmed to trigger a VCR to go to its fastest record
time, have a Quad go full screen, home a switcher, trigger a preprogrammed PTZ, or provide visual or audible
alarms. The VSI-Pro provides two alarm outputs that are rated at 12VDC @ 20mA maximum.
The following are some basic circuit designs to take advantage of the alarm output option of the VSI-Pro.
5 VDC
Internal
To
VSI-Pro
RELAY SPDT
Internal
To
VSI-Pro
VSI-Pro VIDEO SERIAL INTERFACE
470 OHM
LED
Alarm 1 or 2
Output
5 VDC
1N4001
Alarm 1 or 2
Output
Figure 1H: Hard Alarm Output
12 VDC
Internal
To
VSI-Pro
Internal
To
VSI-Pro
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APPENDIX J
1K OHM
LED
Alarm 1 or 2
Output
5 VDC
BUZZER
Alarm 1 or 2
Output