A piece of code: I developed with PC through RSLinx Classic AB PLC communicate. Can be read normal, but not written method. Please advise ~ ~

CodePudding user response:

C # need not through RSLINX, so complicated, can direct communication;
Here are example:
http://blog.sina.com.cn/s/blog_16d7d3ecb0102y5db.html

CodePudding user response:

Excuse me, how to read? For the first time with the AB PLC, can't read data in c #, thanks for sharing

CodePudding user response:

Rslinx belongs to the opc, c # is the opc client
Should be able to write can read, of course, also want to see in the PLC label attribute is set,