SP-120 System with Virtual Feedback – No Drive Unit
The SP-120 autopilot control system comprises the following units:
SP-120 display and control head
SI-TEX 9 Axis rate compass
In addition the SP-120 has to be connected to a drive unit which controls the rudder actuator system in order to complete the full autopilot system. The actuator system provides the physical movement to the rudder responding to the direction of control signals provided by the SP-120.
A rudder actuator system comprises one of the following:
Hydraulic system with helm pump and ram
Mechanical steering system
The autopilot should be connected to one of the following:
Reversing motor/pump set connected into the existing hydraulic steering system
Reversing mechanical drive unit connected to the existing steering mechanism
Electronic Hydraulic Solenoid Valves
The SP-120 autopilot control system without a drive unit includes the following units: SP-120 display and control head SI-TEX 9-axis speed compass. In addition, the SP-120 must be installed on the autopilot. SKU: NVN-85271 MPN: SP120VF-1 UPC: 010407771014
