Access control system wiring specification

Access control system wiring specification: 

220V AC power cord: The three -core power cord must be used. The cross -sectional area is above 1.0 square millimeters. It must be grounded. The card reader to the access control QI line: It is recommended to use 8 cores to shield multiple twisted network cables (of which three cores are available, if the card reader sounds and light feedback legal cards can not be connected to the LED line), data line data1 and data0 are mutual Twisted twin is better. The cross -sectional area is recommended to be more than 0.22 square millimeters. The maximum cannot exceed 100 meters. The shielding line connects the GND of Qi. Black or dual -share supply to a card reader can help improve the performance of the card reader. (You can also use other multi -core shielded five -type lines.) The lines of the access control control QI are recommended: It is recommended to use two core wires, and the line diameter is above 0.3 square millimeters. You can also use network cables. The line of the power lock to the access control Qi: It is recommended to use the two -core power cord. The cross -sectional area is above 1.0 square millimeters. If it is more than 50 meters, consider using a thicker line, or multiple parts of parallel, and do not exceed 100 meters. The line magnet to control QI: It is recommended to choose two core wires. The line diameter is more than 0.22 square millimeters. You can also use network cables. Locks and other functions, the door magnetic line is not connected. Communication line: (access control QI to access control Qi, access control Qi to computer) TCP/IP structure access control system transmission speed, convenient extension, and convenient wiring. It is recommended that conditions for users try to use the TCP/IP structure access control system as much as possible. 1. System of TCP/IP communication mode: Like the method of the computer network, control the QI to HUB (switch) for ordinary network cables. It is best to be less than 100 meters away from the distance. The longer the quality of the line, the higher the quality requirements. It is recommended to use brand network cables. 2. System of RS485 communication method: control QI to control Qi, and to control QI to converters, it is recommended to use 8-core shielding twisted network cables, the wire diameter is above 0.22 square millimeters, 485+and 485-must be mutual mutual mutual mutual mutual mutual mutual mutual For twisted twisted, the other 6 cores are available, and the shielding line is not connected. If the communication is not smooth, you can consider using the shielding line to connect all the GND controlled Qi, or at the last 485+ and 485- of the 485 bus control QI between 485+ and 485- Terminal resistance of parallel 120 ohm to improve the quality of communication. The length of the 485 bus can theoretically reach 1200 meters. It is recommended that according to the complexity of the number of Qi or the communication environment, do not exceed 800 meters. If you exceed 485HUB or relay to improve the communication environment. The connection to control QI and control Qi must be a bus structure holding hands with one hand, and cannot be split or has a star connection. Note: 1. All wiring must be sleeve. The PVC pipe and a galvanized pipe are available to prevent mice from cracking the line to cause failure. 2. Although the QI controls good anti -static, lightning protection, leak -proof designs, please ensure that the control QI chassis and AC ground wire are connected to complete, and the AC ground wire is truly grounded. 3. It is recommended not to frequently pull out the wiring terminal. Please unplug the wiring terminal and perform the corresponding welding work. 4. Do not disassemble or replace the QI chip without authorization. Non -professional operations will cause control of QI damage. 5. It is not recommended to do other additional equipment without authorization. All unconventional operations, please communicate with our company's engineers first. 6. Do not connect the control Qi and other large current devices on the same power socket. 7. The installation height of the card reader and buttons is 1.45 meters from the ground, which can be appropriately increased or decreased according to the customer's usage habits. 8. Control QI is recommended to install locations such as weak electric wells. 9. Pay attention to the wiring terminal to standardize the wiring. Do not expose the metal part for too long to avoid causing short circuit and communication failure.