|
The Dry Contact Sensor is a simple connection to burglar alarms, fire alarms, or any application that requires monitoring by the SensorProbe. Dry Contact Sensors are user definable and can be used to detect many different inputs such as UPS status, security systems, air conditioning status.
These general purpose switches can be either input or output. When used as an output, it can source up to 20 mAmps. You can select the output voltage by setting the Output Level to Low or High. When set to Low the pin will output 0 volts. When set as High the pin will output 5 volts.
When used as an input, a switch will retain any error condition until it is read via SNMP. Therefore, if a switch encounters a critical condition at any time it must report that condition before it can return to a normal state.
Input pins can be used to detect whether or not an input switch is open or closed. In combination with external sensors, input pins can detect whether a door or window is open or closed, if there is a water incursion, or many other conditions.
Specifications & Features:
 |
Measurement range: Alarm or Normal |
|
Communications cable: RJ45 jack to sensor using UTP Cat5 wire |
|
Sensor type: open/closed contact switch |
|
Input voltage range: 0 to 5 volts |
|
Normal input voltage is settable under software |
|
Normally open or normally closed is settable under software |
|
Current Range: can sink up to 20 mAmps |
|
Power source: Powered by the sensorProbe. No additional power needed. |
|
sensorProbe auto detects the presence of the dry contact sensor |
|
Measurement rate: multiple readings every second |
|
Up to 2 Dry Contact Sensors per BitSight2, 8 per BitSight8 and SecurityProbe |
|
Full autosense including disconnect alarm |
|
