JSTD electronic fence alarm principle:
1. Working principle of electronic fence The pulse generator (JS-TD2010 host) sends a pulse voltage to the front fence after the pulse generator (JS-TD2010 host) is energized. The time interval is about 1.5 seconds to launch once. The time for the pulse to stay on the fence is about 0.1 second. The front fence is formed. After the loop, the pulse is returned to the receiving port of the host. This port receives the pulse signal fed back; at the same time, the host also detects the resistance value between the two transmitting terminals. If the front end fence is broken due to destruction or short circuit, pulse receiving port does not receive pulse signal or the resistance between the two transmitter terminals is too small, the host will issue an alarm.
2. The front-end fence alarm can be seen through the working principle of the electronic fence. No matter what kind of voltage working status the pulse master is in, when the fence is damaged, the receiving port can not receive the pulse signal, and the pulse host will alarm; likewise, when two When the short circuit between the electronic cables, the resistance is very small, and the pulse host will also alarm.
1. Working principle of electronic fence The pulse generator (JS-TD2010 host) sends a pulse voltage to the front fence after the pulse generator (JS-TD2010 host) is energized. The time interval is about 1.5 seconds to launch once. The time for the pulse to stay on the fence is about 0.1 second. The front fence is formed. After the loop, the pulse is returned to the receiving port of the host. This port receives the pulse signal fed back; at the same time, the host also detects the resistance value between the two transmitting terminals. If the front end fence is broken due to destruction or short circuit, pulse receiving port does not receive pulse signal or the resistance between the two transmitter terminals is too small, the host will issue an alarm.
2. The front-end fence alarm can be seen through the working principle of the electronic fence. No matter what kind of voltage working status the pulse master is in, when the fence is damaged, the receiving port can not receive the pulse signal, and the pulse host will alarm; likewise, when two When the short circuit between the electronic cables, the resistance is very small, and the pulse host will also alarm.
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