Network Structure of SCADA System for Dahuofang Water Transmission Project

The application of key technologies in Dahuofang SCADA system,Liaoning is introduced.It includes application of ControlNet field bus、 SJ30B Communication management devices、 AB7006-B gateway and specially design for water transmission project of Dahuofang SCADA system.Besides,it also described the system overview and network structure of Dahuofang water transmission SCADA System.It also gives resolve method for long distance water transmission and telecommunication of SCADA system,and also for different data safely acquisition styles.That may be useful for automatic control system design of long distance water transmission project in future.