Marine follow -up steering device

The utility model discloses a marine follow -up steering device, the device include follow -up control mainboard, LCD and button, the signal output part of follow -up control mainboard links to each other with the signal input part of solenoid valve, solenoid valve control hydraulic actuator opens and is closed, hydraulic actuator links to each other with helm angle feedback ware, helm angle feedback ware passes through the serial ports and carries the mainboard to follow -up control with helm angle information, the follow -up control mainboard carries out data communication through the CAN net, will send LCD with the data code form from the data message that the CAN net was gathered and carry out the data display. The utility model discloses can receive real -time helm angle feedback signal, set for the ordered rudder angle of steering wheel or receive outside dynamic positioning system's ordered rudder angle according to the manual work, calculate and try to achieve actual helm order, and then convert corre