: Defining the physical rack, modules, and I/O addresses for the PLC.

STEP 7 is the primary engineering tool for the Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 controller families. It provides an integrated environment for:

Siemens offers two distinct versions of the software depending on the hardware generation: STEP 7 V5.7 SP2 Trial Download - ID: 109820861 - Support