Difference between revisions of "2-2b. CCTV with relay - Event Handler (practice)"
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'''CCTV Control''': | '''CCTV Control''': | ||
* Pressing the call button at the Entrance or in the Elevator should generate a call in private ringing mode to the Main Guard. | * Pressing the call button at the Entrance or in the Elevator should generate a call in private ringing mode to the Main Guard. | ||
| − | * A relay output to the CCTV system should be activated when the private ringing starts. There is one relay for each substation. | + | * A relay output to the CCTV system should be activated when the private ringing starts. There is one relay for each substation, RCO 5 and RCO 6. |
* The relay should stay activate until the call is accepted and the conversation is cancelled. (If the call is not answered, the relay must drop when the ringing times out). | * The relay should stay activate until the call is accepted and the conversation is cancelled. (If the call is not answered, the relay must drop when the ringing times out). | ||
Revision as of 14:44, 27 February 2013
Exercise
CCTV Control:
- Pressing the call button at the Entrance or in the Elevator should generate a call in private ringing mode to the Main Guard.
- A relay output to the CCTV system should be activated when the private ringing starts. There is one relay for each substation, RCO 5 and RCO 6.
- The relay should stay activate until the call is accepted and the conversation is cancelled. (If the call is not answered, the relay must drop when the ringing times out).