Can be directly controlled by Delphi PLC input/output? I clicked on Delphi interface of a button, for example, some channels through direct control of PLC, the premise is not to write any program in the PLC, hope to people,

CodePudding user response:

OPC data

CodePudding user response:

OPC can provide the relevant procedures, paid,

CodePudding user response:

Can, you use what brand of PLC, the MODBUS protocol with more

CodePudding user response:

Can look at this article:
http://blog.sina.com.cn/s/blog_16d7d3ecb0102x1z5.html

CodePudding user response:

Can realize the mitsubishi FX series application

CodePudding user response:

Also on the PLC to write programs, to send commands to PLC, and then the PLC program execution, it cannot directly control