Whats the difference between a door position sensor and a latch position sensor?
Security dealer integrators offer multiple complimentary technologies which provide physical security and life safety to our nation’s infrastructure in protecting facilities by means of card access, video surveillance, electronic security, life safety systems, and just plain old keys and locks. Here is a review of some basics. You monitor door position for a variety of reasons. In the security arena, you want to know if there is an intrusion. In the access/door control arena you use the information for resetting timers and confirming door status. Typically a magnetic contact is used for the purpose of DPS (door position sensor) or door contact. In the world of security, the mantra for years has been to use a contact that is tolerant of wide gaps and other environmental issues that might cause false alarms. In some security applications, it is true that the alarm system does not concern itself if the door is locked, or latched; only that it is more or less closed. Not sure if you ever n
