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Classification and installation method of electric lock of access control system

Author: admin Date: 2018/9/24 Hits: QR code sharing

What are the classification and installation methods of the electric lock of the access control system? do you know? The editor of the Xi'an branch of Shaanxi Sixiang Industrial Co., Ltd. tells you:

When we first contact the access control system, we will encounter locks, such as electromagnetic locks, electric plug locks, etc. So how do these locks be installed? Today, I will summarize the various locks commonly used in access control systems, and the installation methods of these locks, which are very suitable for novices to learn to install access control equipment.

text:

Electric locks commonly used in access control are: electric mortise lock, magnetic lock, electric lock, electric control lock, etc.

1. Electric plug lock: The electric plug lock is divided into two wires: five wires, five wires, and eight wires.

1.1 Two-wire electric plug lock: There are two wires, red and black, red is connected to power + 12VDC, black is connected to GND. Disconnect any wire, the lock retracts, and the door opens. The two-wire electric lock is relatively simple in design. There is no single-chip control circuit. The lock body is easy to be hot and hot, and the impact current is relatively large.

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1.2 Five-wire electric plug lock: There are two wires, red and black, red is connected to power + 12VDC, black is connected to GND. There are also three lines of COM NO NC, which are door magnetic signal lines, which reflect the opening and closing states of the door. NO and NC and COM respectively form two pairs of opposite signals (a set of closed signals and a set of open signals). It uses the door sensor to output different switching signals to the access controller to judge based on the current open or closed status of the door. For example, functions such as illegal intrusion alarms for door access, and doors that have not been closed for a long time rely on these signals for judgment. Need these functions, the door magnetic signal line can be left unconnected. The five-wire electric mortise lock adopts a single-chip microcomputer controller, which is benign in heating, with delay control, and with magnetic signal output.

The so-called with delay control is a dial switch on the lock body, which can set the delay time for closing the door. Can usually be set to 0 seconds, 2.5 seconds, 5 seconds, 9 seconds. The delays of the lock points of each manufacturer are slightly different.

Door closing delay setting on electric mortise lock

1.3 Eight-wire electric mortise lock: The principle is the same as that of the five-wire electric mortise lock. In addition to the door magnetic status output, a lock status output is also added. That is, the signal is different if the lock head is extended. Reflects the opening and closing status of the door. It uses the door sensor to output different switching signals to the access controller to make a judgment based on the current open or closed state of the door.

2. Magnetic lock:

Magnetic lock, also called electromagnetic lock, is a kind of electric lock that relies on the suction force generated between the electromagnet and the iron block to close the door. Magnetic lock is also a kind of electric lock to open the door when power is off.

Some magnetic locks are output with the door state (door magnetic state). You carefully observe the terminals. In addition to the power terminal, there are three COM NO NC terminals. The function of these terminals can be determined by the current door is open Closed, output different switch signals to the access control controller to make judgments. For example, functions such as illegal intrusion alarms for door access, and doors that have not been closed for a long time rely on these signals for judgment. If these functions are not needed, the door status signal terminal can be left unconnected .

3. Electric control lock, mute lock, motor lock:

Disadvantages of electric locks: large impact current, large impact on system stability, a "snap" when opening the door, and relatively loud noise. Installation is inconvenient and often requires professional welding equipment to spot weld to the iron door. During construction, please pay attention that the door opening delay cannot be long, it can only be set within 1 second. If the time is long, it may cause the electronic control lock to be damaged.

Aiming at the shortcomings of loud noise, a new “silent electric control lock” is designed, referred to as “silent lock”.

Another kind of electric lock with a lower sound, he no longer uses the principle of electromagnets, but drives a small motor to retract the lock head. Generally called motor lock or spiritual lock.

Electric control lock, mute lock, and motor lock are mainly used in residential unit doors, second door of bank depository, etc. It can also be opened with a knob or key locked inside the door.


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