8.2 ALARM OUTPUT
The alarm output port should not be directly connected to a higher power load (greater than 1A) to avoid high current which may damage the relay. Use the
•2 way relay alarm output (NO contact). Provides external power to external alarm device.
•To avoid overloading, please read the following relay parameters sheet carefully.
•RS485 A/B cable is for the A/B cable of the PTZ camera(s).
Relay Specification
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Material of the contact | Silver |
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Rating (Resistance Load) | Rated switch capacity | 30VDC 2A, 125VAC 1A |
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| Maximum switch power | 125VA 160W |
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| Maximum switch voltage | 250VAC, 220VDC |
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| Maximum switch currency | 1A |
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Insulation | Between contacts with same polarity | 1000VAC 1minute |
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| Between contacts with different | 1000VAC 1minute |
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8.3 ALARM CONFIGURATION
Alarm configuration allows the DVR to begin recording based on input from other remote sensors such as infrared motion detectors or contact alarms which are connected to it.
There are five submenus; Sensor, Motion, Video Loss, Other, and Alarm Out.
SENSOR
In this window you can setup optional external sensors to cause the DVR to begin recording. There are three tabs in this window: Basic, Alarm Handling and Schedule.
Basic Tab
This allows you to enable the input from attached sensors. You can also identify the sensors by name for ease in determining location.
Set the alarm type according to whether the alarm is NO (Normally Open) or NC (Normally Closed). See your alarm’s manual for details.
Alarms can be individually configured or globally set using the All button.
PICTURE 8-3
Alarm Handling Tab
| Between contacts and winding | 1000VAC 1minute |
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Surge voltage | Between contacts with same polarity | 1500V (10×160us) |
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Length of open time | 3ms max |
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Length of close time | 3ms max |
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Longevity | Mechanical | 50×106 times (3Hz) |
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| Electrical | 200×103 times (0.5Hz) |
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Temperature |
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Configure how you want the DVR to handle the input from an activated alarm. Each sensor input can be set to launch individual sequences of action or they may be globally set through the All button to have the same results.
Hold Time: determines the time allowed between consecutive alarm events. If the alarm is triggered again within this time, it will be treated as a single event and the DVR will continue recording before stopping.
Trigger: This is what the DVR will do once activated by an alarm. Selecting Setting will open a new window with three tabs; Alarm, To Record, To
PTZ
Alarm allows you to set whether a buzzer will sound, which camera (if any) will display in full screen mode, whether an
PICTURE 8-4
PICTURE
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