أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
there are three main communication protocol between instraument tranmiter and the control system (DCS)
HART, Profibus and Fieldbus
communication from system to system or controller to control and sharing information as between PLC and SCADA by
Modbus
OPC
the distance does not matter if they are linked together in some how. Even if they are in differed countries.
Hope i understand the question "How far DCS ...." correctly