Free Scada – Scada Freeware
With Demo license only first symbol of symbol factory can be used. Runtime running 30 minutes.
Sale Method:
WinTr Scada Software is sold acoording to External tag number. External Tags are: OPC, S7MPI, S7PPI, Profinet(S7 1200), Modbus RTU / TcpIp and SQL Server 2005 Tags. There is no limitation at Internal Tags. Total Tag number is limited to 65534. And no limitation at the Tags being historical.