Please tell me the instruction to connect with PLC. If possible,Can Anybody send that driver software? I have Windows 7 professional 32bit laptop with simatic manager v5.5 software.And also i have Simatic PC Adapter USB A2.With the help of that i am trying to connect with S7-300(CPU 314IFM) PLC.But it is not communicate with PLC.įor that should i want to install PC Adapter USB A2 Driver software.