You need a new control system …
… because your customers expect a tailor-made solution with IoT devices in the field and all SCADA data in the cloud?
Always and everywhere retrieve plant and management data on the web? A help desk and maintenance around the clock? Big data analytics cross-site? And want to use hardware from renowned manufacturers such as Siemens / Beckhoff / Wago / Phoenix / B&R / Allen-Bradley?