IfaSIMATICS7-400basedsystemistocommunicatewithaSiemenscontrolcenter,e.g.SIMATICPCS7TeleControl,WinCCTeleControl,WinCCOA,oracontrolcenterofathird-partysupplierusingtheIEC60870-5telecontrolstandard,theIEC60870-5-101(serial),-103(protection)or-104(TCP/IP)telecontrolprotocolscanbeusedin