Based on PLC and touch screen, the realization of GPRS remote control - Industrial control -

Industrial PLC remote monitoring, there have been various scheme is feasible, Shanghai is wei with MQ wireless platform solutions, set up a 'GPRS serial line' thousands of kilometers long, makes users can be implemented in a few minutes and use configuration software to the scene to foreign office of PLC communication and control, and even to modify the PLC program to download.

this super fast, low cost, especially suitable for small-scale users ( The PLC no more than 255 the number) 。

at the scene of PLC has a touch screen or computer control situation, how to remotely monitor?

of course, extend the PLC communication board, modify the touch screen or computer program that is feasible, but the cost is high, the cycle is long, want to change the PLC in the field may affect the field operation.

is wei has more simple, fixed field solution of PLC and other equipment. That is to use is wei special PLC monitoring terminal.

is wei GPRS wireless terminal to provide two serial ports, a PLC and field connection, in addition, a link to the scene of the touch screen or the configuration software of computer, etc.

center system USES is wei MQ platform, wireless terminals and MQ platform to establish a connection, MQ client login MQ platform, and automatically produce the required virtual serial port, virtual serial port and the client configuration software ( Or other software) Communication, it only takes a few minutes, the client software and on-site PLC real-time two-way communication.

at the same time, the touch screen at the scene also can view the data on the PLC and control, and has no effect.

system topology as shown.

system adopts advanced GPRS communication technology and the latest cloud communication technology, GPRS use simple to easy.

2、 系统特点使用GPRS传输数据，每个PLC（ Each wireless terminals) Need a mobile phone card; GPRS network coverage, good versatility, low cost, about 5 - each month 10 yuan.

PLC无线终端实现PLC通信复用，提供2个接口分别连接PLC和触摸屏；

无线终端的工作状态，参数等可以远程查看及设置；

不更改PLC设备和配置，不影响原来的系统工作，仅在触摸屏的输入口上，串接进无线终端，对数据进行处理，发送给触摸屏和中心。 The scene without any software Settings, connection of two interface, simple installation and debugging;

用户中心的软件，只关心业务功能，无需关心和维护通信。

3 device list each PLC a wireless terminal, a computer can connect to the Internet, run the client software and configuration software.

technology zone based on PLC, frequency converter, sensors and other equipment, real constant pressure frequency conversion water supply system based on PLC and touch screen, the realization of GPRS remote control of the PLC to realize the letter product mix design of automatic classification based on the British witten human-computer interface, PLC controller, frequency converter corpora woodworking sealing side machine technology in pairs the British witten IVC2H type PLC application in woodworking machinery and equipment
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