Hi everyone,

I have problem with PLCsim 5.4 sp 6 did not work simulation network profibus or mpi, my step 7 verion is 5.5 sp 4. When I was old version step and plcsim everything worked but I must istlal neew wersion becouse at the moment I have windows 7.

My quastion, how donwgrate plcsim 5.4 sp 6 to sp4 ?

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Split from install PLCSIM v 5.4,SP 5 and PLCSIM v 5.4,SP 4 on Windows 7.

Hello 

You have to add CPU has Profibus or MPI to your hardware configuration and Save\Compile 

then try to download your program again