Hello, SOFTWARES : TIA portal,STEP-7,WinCC,WinCCFlex Protool,S5DOS, Microwin, ComfortSoft,Starter SCADA: WinCC, CITECT,Wonderware Intouch etc VFD: Siemens,ABB,Danfoss,Altivar,AB etc PROTOCOLS: PROFIBUS,PROFINET,ETHERNET,MODBUS etc. OPC: KepwareServer,Metrikon,OPC Scout