The valve island control box is designed and drawn according to the process control requirements and BOM list.In the control box of the valve island system, the function of each valve is independent of each other. The fieldbus protocol is used in the bus valve island to ensure that the field electric control valve wiring is easy.It also greatly simplifies the debugging, performance detection and diagnosis and maintenance of complex systems. The control mode adopts local valve plate manual button control, DCS upper computer communication control. The product meets the quality standard.