What types of PLC how to deploy - Industrial control -

The type of PLC according to the structure is divided into integral type and module type two kinds; Integral type PLC I / 0 points less and relatively fixed, so the user choice is small, usually used for small control system. Offers a variety of module type PLC I/O modules can be plug on PLC base board, convenient user according to the need to choose reasonable and configuration control system I/O points. As a result, the module type PLC controller configuration is flexible, commonly used in large and medium-sized control system. According to the communication interface is divided into RS485 / RS232 / Ethernet front-end ports, RS485 / RS232 via a serial port turn USB, so is based on IP address recognition, and computer communications.

technology deployment PLC data acquisition process based on the remote server data parsing control configuration software, the data transmission to the server, by means of wireless 4 g to make multiple sites for centralized management and control. Due to the PLC application scenario is different, different communication interface. A serial port using xin Yang state 4 g DTU to realize data acquisition, need only in DTU configuration tool to write the server address and port. For front-end ports of PLC to realize remote data transmission, is the difficulty is bigger, need through the enterprise Intranet, and to set up multiple PLC into the same local area network (LAN), allocated using LAN IP, read through the IP data of PLC. Most PLC on the market without a corporate Intranet VPN function. Therefore, so PLC need to by xin Yang state 4 g industrial wireless router, the built-in function of VPN, build enterprise L2TP VPN public network to realize the local area network (LAN). 4 g industrial wireless router can be connected automatically when restart the VPN, can use cable network or 4 g network sim iot card. Or cable wireless automatic switching and realize the unattended.

painted scheme advantages

structures, IPsec, the L2TP, GRE, N2N wait for a variety of VPN encryption mode, to ensure the safety of data transmission;

reboot u don't need to connect the VPN again, save the configuration mode, unattended; Painted

cable network and 4 g can switch to use at the same time, do not affect use function of VPN;

u so occupied, the RS232 / RS485 can be used for collection and transmission;

u can remotely through the Internet on a visit to PLC, download;

painted many sets of PLC central control, data exchange;

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