For Delphi through OPCDAAuto. DLL developing OPC asynchronous read and write methods, tutorial is fine, thank you,

CodePudding user response:

No one was done on you, to solve ah,!!!!!!!!!!!!!!!!!!!!!!!!!

CodePudding user response:

OPC with fewer now, industrial control industry update slow, still use quite a lot of,
Sure you can find the information online, however, also has in CSDN download, download channel, OPC, you can find a lot of information

CodePudding user response:

Recommended oropc, ha ha, used to know, people commonly used

CodePudding user response:

Wrong, is propc

CodePudding user response:

No one was done on you, to solve

CodePudding user response:

What is it? Is the control or what?

CodePudding user response:

As a control, called iocomp3, can directly connect the OPC

Or make a simple connection program,

CodePudding user response:

I have a simple example of OPC client, need to leave email

CodePudding user response:

http://download.csdn.net/detail/cosmart/9337761 to download it,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

Used, for the top,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

Comrades, I asked for an asynchronous method, not synchronously oh, thank you,

CodePudding user response:

For the top, there is no good answer, how to do ah,

CodePudding user response:

With control did not realize, but with a custom interface implementation asynchronous read, don't know whether you need to,