In addition, S7-PLCSIM provides a programming interface (S7ProSim), which can be employed by the user to reproduce his process in PLCSIM. The API interface is based on ActiveX-Controls, which permits the required process variables to be dynamically simulated with all Windows applications supporting the active X technology (e.g. Microsoft Visual Basic or Microsoft Excel).

Hello ROCLIM

s7prosim is interface component for control,manipulate dataPLCSIMfrom user pogram.

manual about s7prosim will installed on your hard disk with instalation PLCSIM. Exist 2 various version;
- for plcsim 5.3 and before - this is a OCX-file;
- for plcsim 5.4 - this is a COM-model.

and therefore management programs PLCSIM for these versions are incompatible