使用第三方仿真软S7_200仿真西门子的plc,在载入程序时和运行程序时都有提示框,请问怎么处理?
载入程序时,提示the file cannot open to read data
运行时,提示
an un-recognized instruction exists in the program, that is not implemented in this version.
the plc has been placed in stop
instruction:
请问要怎么处理?我的编程软件是V4.0 STEP 7 MicroWIN SP9