Whether you are using a PC adapter, a PG/PC ethernet interface, or a simulated connection, S7DOS manages the drivers, allowing TIA Portal to "see" the S7-1200 or S7-1500. 2. S7 Communication Protocols
S7DOS does not operate in isolation; it works directly with the utility found in Windows Control Panels after installing Siemens software. simatic s7dos
Navigate to your Siemens installation directory or the original installation media. Look for a folder named S7DOS or search for s7doshelp.exe . Whether you are using a PC adapter, a