Pelco C2907M-D Network Card User Manual


 
C2907M-D (4/05) 41
CONFIGURATION PAGE FOR RELAY SETTINGS
You can use the configuration page for relay settings to specify parameters such as normally open or normally closed switching and bistable and
monostable operation of the output.
Figure 31. Configuration Page for Relay Settings
Configuration
Item
Default
Setting Description
Idle state Open Select Open (N.O. at zero current) if the relay will operate as a normally open contact or Closed (N.C. with current)
if it will operate as a normally closed contact.
Operating mode Bistable Select the relay’s operating mode.
When you select the default Bistable mode, the relay will stay in the idle or active state for an indefinite
period. (For example, select Bistable if a floodlight activated by an alarm is to remain switched on at the end of
the alarm.)
When you select a time period (monostable mode), the relay automatically falls back to the idle state after a
predefined period expires. (For example, select 10 s if a siren triggered by an alarm is to sound for 10 seconds.)
The choices on the pull-down menu are Bistable, 0.5 s, 1 s, 2 s, 5 s, 10 s, and 60 s.
Relay follows Off Select from the pull-down menu an event that will activate the relay. A typical application is to have the relay follow
the status of the alarm input; for example, to power peripheral equipment or even the camera itself. Select from the
following:
Off: Relay does not operate.
Connection: Relay operates whenever you open live video and will turn off when you exit live video.
Video alarm: Relay operates when there is loss of the video signal.
Motion alarm: Relay operates when there is motion alarm.
Local input: Relay operates by an external alarm sensor.
Remote input: Relay operates by a switching contact from a remote location.
Relay name Relay 1 Enter a name for the relay that will appear on the Live page (31 alphanumeric characters maximum).
Trigger relay N/A Click the Relay button to switch the relay manually (for example, as a test or to allow a door to be opened).