Notice on S7-PLCSIM product versions
S7-PLCSIM V5.x is the simulation tool for the controller families S7-300 / S7-400 in combination with STEP 7 V5.x.
For smaller simulation tasks with the new controllers S7-1200/ S7-1500/ ET 200SP CPU the PCSIM functionality is integrated in the corresponding STEP7 V14 versions (Basic or Professional)
S7-PLCSIM Advanced, the optional software package for STEP7 V14 has been designed for more complex simulations with the new controllers eg. by employing virtual controllers.