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Kongsberg Maritime AS

Kongsberg Joystick control system, cJoy

Name: Kongsberg Maritime AS Kongsberg Joystick control system, cJoy
Brand: Kongsberg Maritime AS
SKU: OSE-64659

Our cJoy joystick control system is developed to meet the positioning requirements of offshore service vessels and ships with similar positioning needs Our compact series of products include the “cJoy” joystick control system, especially developed to meet the requirements for an independent joystick system (IMO MSC.1/Circ. 1580 ch. 3.7). However, the system can be used on all vessels with a need for a joystick to control the vessel. The system offers advanced wind compensated joystick control with automatic heading control. GNSS based station keeping may be offered as an option. cJoy is a joystick control system consisting of a cJoy controller unit and a cJoy operator terminal. The terminal consists of a display, buttons and a computer built into a small cabinet allowing it to be fitted into existing consoles or mounted in areas where space is limited. The controller unit and the operator terminal communicate via a single network connection. The system provides interfaces to the thrusters and necessary sensors. The cJoy operator terminal provides vessel control via joystick or autopilot. It is ergonomically designed for simple control, and features a colour display, 3-axis joystick and quick access buttons for intuitive operation. The cJoy wing terminal can be interfaced to the operator terminal and mounted outdoors as a cost-effective tool for joystick manoeuvring at the bridge wings. Get expert help anytime, anywhere—our global support team is available 24/7 to assist you. Upgrade your systems with tailored retrofit solutions to extend vessel life and boost performance. Explore our training programs to build skills, ensure safety, and maximize operational efficiency.

Inspector Detail

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Common issues

Joystick lever potentiometer or sensor drift causing an off-centre thruster demand at rest
Connector or gland corrosion at the bridge console or deck-mounted control unit
Loss of communication between the joystick unit and the thruster control system on the data bus
Calibration drift between joystick input and actual thruster/rudder response
Moisture ingress into the lever housing on open bridge wing stations
Backup control station not properly tested, so a changeover fault is only found when needed
Mechanical wear or play in the joystick gimbal/pivot mechanism
Software or firmware version mismatch after a partial system update

Inspection checklist

Functionally test the joystick through its full range of travel on all axes (surge, sway, yaw)
Verify joystick demand matches actual thruster/steering response without excessive lag
Check the changeover to backup/independent control station works cleanly
Inspect cable glands, connectors, and the console housing for corrosion or moisture ingress
Confirm the emergency stop function operates correctly from the joystick station
Check alarm and status indicator lights for correct operation
Confirm the installed software/firmware revision matches the vessel's approved configuration
Check physical condition of the lever for play, sticking, or damage

Service intervals

Full functional test of joystick and backup control	as part of the vessel's DP annual trials or, on non-DP vessels, annually
Calibration check against thruster response	annually or per the manufacturer's recommendation
Connector, cable, and gland inspection	annually
Software/firmware revision review	whenever the manufacturer issues an update

Critical spares

Joystick lever assembly
Control unit interface card/PCB
Console cable connectors and glands
Backup control station handset or panel, if fitted separately

Safety

Unintended thruster or steering movement if a control fault is not caught before getting under way
Entrapment/crush risk near thrusters during functional testing alongside or in dry dock
Electrical hazard when opening the control cabinet or console for inspection

Class survey

For DP-classed vessels, class requires the joystick and its backup/independent control path to be demonstrated during the annual DP trials, with results logged. Software revision history and any changes to the thruster interface configuration should be documented and available to the surveyor.