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The basic principles of electricity cabinet locks

发布时间:2013-02-05  浏览:

Electrical cabinet locks electronic control circuit and electromagnetic executive agencies combined to form the new locks, unlock and diverse, confidentiality, either the card or plug on specific key without a key, at the same time in accordance with a password ororder to press the button or toggle switch to control the electromagnetic actuator to open the lock password can also be arranged that damage the key and alarm button is pressed by mistake, they not only can not be used in a certain period of time to open the lock and alarm. Electricity cabinet locks, once the key is lost or password disclosure, alteration key and password is very easy. Electricity cabinet locks more and more attention is being used in various fields. Locks the top ten brands
Power door locks is 51 series microcontroller (AT89051) as the core, together with the corresponding hardware circuit, complete the password settings, storage, identification and driving the electromagnetic actuator and detects the drive current value being received from the alarm signal, the transmission data, and other functions. Door lock wholesale
MCU receives the type code, and compared with the password stored in the EEPROM, if the password is correct, the drive electromagnetic actuator unlock; If the password is incorrect, allows the operator to re-enter the password, can enter up to three times; if three is not correct, the microcontroller through the communication line to the intelligent monitoring alarm. SCM will each unlock and the electromagnetic actuator drive current value as the basis for state information to the intelligent monitoring and alarm information received from the sensor interface is also sent to the intelligent monitoring, as intelligent analysis.

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