PURPOSE:To prevent a door from being opened for a longer time by a method wherein an optical sensor is operated to detect that the door is opened, this state is informed by a chime and if the door continues to open for a longer time, an alarm sound is actuated to inform it. ...
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摘要: PURPOSE:To prevent the turning-out due to a misunderstanding by adsorbing the alarm for an opened door by a serviceman and by transmitting the alarm for the opened door, only after the serviceman gets out from an unattended station, to the maintenance station....
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KERUI Home Security Door Window Magnetic Sensor Alarm Warning System Wireless Remote Control Open Door Detector Burglar Alarm Introduction: 1: It will detect and alarm immeiately when door and window is open,also can programe with remote control and detecot function.2: It's much collocated with...
And this if the door sensor is open: Command topic:/home/alarm/sensor/inside_motionCommand payloads:yes This really depends entirely on your platform and setup. You can configure the alarm sensors to have the topic and state in the settings to match your MQTT setup. ...
To open or close aflashlight circuit, you simply throw aswitch. In a burglar alarm, the switch detects the act of intrusion -- opening a door or window, for example. These sorts of alarms are divided into two categories: In aclosed-circuit system, the electric circuit isclosedwhen the do...
Glass break devices are designed to detect the breakage of glass. They are not necessarily attached to a window; often they are mountedaway from the glass area and aimed in a manner that allows each device to monitor a portion of the glass. ...
Select now Use(2): door doorwindow Special Features(2) Remote ControlDetect door open / close ShippingShipping solutions for the selected quantity are currently unavailable Start order request Contact supplier Protections for this product Secure payments Every payment you make on Alibaba.com is secu...
3.1.548 ALM-A311-01 Outdoor fan detection failure Attribute Alarm IDAlarm Severity A311-01 MAJOR Possible Causes The smart cooling product fails to detect the outdoor fan. Procedure Perform outdoor fan detection through fault repair or guided start....