Simulation connection between WinCC and STEP7_ Old bear passing by_ Sina blog

One 、 summary

test WINCC With Siemens PLC The connection of can be completed directly on this computer , There's no need to be practical PLC

Two 、 Connection steps

1、  Download the program to PLC-SIM in , And will PLC-SIM The connection method in is selected as PLCSIM(TCP/IP), As shown in the figure below ：

1 PLC-SIM Set up

2、  take WINCC Modify the corresponding properties of the connection in , find S7 protocol suite Medium TCP/IP（ This protocol is used for general tests , Other protocols have not been tested yet ）

chart 2 WINCC Connect

Right click after selecting connection , Select system parameters in the pop-up menu （System Parameter）, As shown in the figure below ：

chart 3 system parameter

Select... In the system parameters Unit, Put the logical device name in it （Logical Device Name） Change it to PLCSIM(TCP/IP), As shown in the figure below ：

chart 4 Parameter setting

Prompt to exit after saving WINCC. Restart again WINCC that will do .