PLC point table (register address and point table definition) cracking detection scheme -- convenient for industrial Internet data acquisition

Industrial Internet data acquisition and equipment networking often need to coordinate with equipment manufacturers , The key to getting equipment data is to have a stable and reliable data acquisition gateway DAQ for IIOT, You have to know PLC Register address and point table definition , Only in this way can the data message be parsed and stored normally , It's usually json Format .

But in many cases , Collected PLC Register address of （PLC Point position table ） It's hard to get , The manufacturer is unwilling to cooperate or charge authorization fee , Or the cost of communicating abroad is too high , It has brought great resistance to equipment transformation and intelligent upgrading , But there are a lot of people on the production site PLC, Such as Siemens 、 Mitsubishi 、 Omron et al , This similar situation will occur during collection .

With Mitsubishi PLC For example , There are some PLC and HMI encryption , Or not PLC Source program and touch screen （HMI） In the case of source program ,（ Others such as Siemens 、 Omron 、 Delta 、 Panasonic, etc PLC A similar situation . ）

in the light of PLC Program encryption 、 Touch screen program encryption, etc. cannot be known PLC Point table information , Difficult situation of data acquisition , The data acquisition IOT effectively provides the information detected through this module PLC Scheme of point table information , For industrial Internet data acquisition project 、 Provide technical support for the rapid implementation of intelligent factory project .

Links to relevant dry goods materials and technical articles , Welcome to step on it

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