CyScan PSU with Ethernet
Guidance Marine / Guidance Navigation
Refurbished
Title
CyScan PSU with Ethernet 20-0084-0-A | Marine DP Laser Position Reference System Power Supply | Repair, Spare Parts & Supplier
Description
Manufacturer
Guidance Marine / Guidance Navigation, now associated with Wärtsilä Voyage product lines in many market references
Product Name
CyScan PSU with Ethernet
Part Number
20-0084-0-A
Output
24V DC 5A
Input
90–264V AC RMS, 47–63Hz
Product Type
Power Supply Unit with Ethernet Interface
Marine Application
CyScan Laser Position Reference System for Dynamic Positioning
The CyScan PSU with Ethernet 20-0084-0-A is a dedicated power supply and communication support unit used with the CyScan marine laser position reference system. CyScan systems are widely used on offshore vessels and DP vessels where accurate local position reference is required during close approach, station keeping, offshore loading, platform work, wind farm operation and vessel-to-structure positioning.
CyScan uses laser measurement technology to detect retro-reflective targets and calculate range and bearing. This information is sent to the vessel’s Dynamic Positioning system so that the vessel can maintain position relative to another vessel, platform, offshore structure or target location. Public technical references describe CyScan as a high-accuracy laser sensor for automated approach and station keeping relative to a vessel or structure fitted with reflective targets.
The PSU is important because unstable power can create sensor communication faults, DP reference dropouts, Ethernet errors and system alarms. For vessels operating in DP mode, reliable sensor power supply is essential for safety and operational continuity.
SM MARINE SERVICE™ supplies CyScan PSU units, DP sensor spare parts, navigation electronics, testing support and worldwide delivery. Website: https://www.smmarineservice.com
CyScan is a local position reference sensor designed for marine Dynamic Positioning applications. It measures the range and bearing of retro-reflective targets so the DP system can maintain vessel position and heading relative to a target structure or another vessel. NauticExpo’s product description also identifies CyScan as a local position reference sensor for DP that measures range and bearing to retro-reflective targets.
Typical CyScan system elements include:
CyScan sensor head
PSU with Ethernet
Power and data cables
Retro-reflective targets or prisms
Operator display or interface software
DP system interface
Ethernet/network connection
Mounting brackets and deck/bridge installation accessories
The PSU with Ethernet supports stable power distribution and communication between the CyScan sensor and vessel network or DP interface.
The CyScan PSU with Ethernet is commonly used on:
Offshore Support Vessels
Platform Supply Vessels
Anchor Handling Tug Supply Vessels
Dive Support Vessels
Cable Laying Vessels
Wind Farm Service Vessels
Shuttle Tankers
FPSO Support Vessels
Drill Ships
Research Vessels
DP1, DP2 and DP3 Class Vessels
CyScan can be used as a primary local DP reference or as a complementary reference together with DGPS, microwave sensors, radar-based systems or other DP sensors. Some industry descriptions note that CyScan may be used as a primary reference or as a complementary addition to microwave sensors or DGPS.
24V DC regulated output
5A output capacity
Wide AC input range
Ethernet communication support
Marine navigation system compatibility
Reliable power supply for CyScan sensor
Suitable for DP sensor installations
Compact enclosure design
Field serviceable wiring connections
Designed for continuous vessel operation
Supports local position reference sensor reliability
Important for DP uptime and station-keeping safety
In DP operation, position reference sensors must remain stable and continuously available. If the PSU fails, the CyScan sensor may stop communicating or lose power. This can cause DP alarms, loss of reference, operational delay and vessel safety risk during close-proximity offshore operations.
A healthy CyScan PSU helps ensure:
Stable sensor power
Reliable Ethernet communication
Reduced DP reference dropout
Accurate laser position reference availability
Safer offshore approach and station keeping
Lower vessel downtime
SM MARINE SERVICE™ supports ship managers and DP vessel operators with tested CyScan PSU units, repair support and replacement sourcing. Website: https://www.smmarineservice.com
Frequently requested CyScan spare parts include:
CyScan PSU with Ethernet
CyScan Sensor Head
Laser Sensor Assembly
Ethernet Interface Module
Power Supply Board
Internal PSU Module
Communication Board
Connector Set
Power Cable
Ethernet Cable
Mounting Bracket
Scanner Window
Optical Assembly
Cooling Fan
Fuse Kit
Terminal Block
Retro-reflective Target
CyScan Prism Target
Display Interface Components
Complete CyScan Sensor System
Typical faults include:
No power output
24V DC output low
Ethernet communication failure
CyScan sensor not detected
DP system reference lost
Intermittent sensor reboot
PSU overheating
AC input fuse failure
Internal power board failure
Water ingress or corrosion
Loose terminals
Damaged Ethernet connector
Cable insulation damage
Noise or unstable DC output
Before replacing the PSU, engineers should check:
AC input voltage
Output 24V DC stability
Fuse condition
Ethernet cable and connector
Terminal tightness
Cable gland sealing
Moisture inside enclosure
Grounding condition
Sensor head power input
Network configuration
DP interface status
Alarm log from CyScan software or DP system
If the PSU gives unstable output or Ethernet faults continue after cable checks, the unit may require bench testing, repair or replacement.
The CyScan PSU with Ethernet (20-0084-0-A) should only be repaired and tested by qualified marine electronics engineers. Since it supplies power to the CyScan Laser Position Reference System, incorrect repairs may result in unstable sensor performance, communication failures, or complete loss of DP reference.
Typical repair services include:
SM MARINE SERVICE™ provides professional repair, testing, troubleshooting, sourcing, and worldwide supply support for CyScan navigation equipment and spare parts.
To maximize the service life of the CyScan PSU:
Proper preventive maintenance significantly reduces unexpected DP reference failures during offshore operations.
Even with advances in marine navigation technology, the CyScan Laser Position Reference System remains widely used because it offers:
Its dedicated PSU with Ethernet plays a critical role in ensuring continuous sensor operation and dependable communication.
It is the dedicated power supply and communication unit for the CyScan Laser Position Reference System.
Input: 90–264 VAC, 47–63 Hz
Output: 24 VDC, 5 A
The CyScan sensor may lose power or Ethernet communication, causing DP reference alarms or loss of positioning information.
Yes. Many failures such as damaged power boards, blown fuses, faulty capacitors, relays, connectors, and communication components can often be repaired and fully tested.
Yes. It is commonly installed on DP1, DP2, and DP3 class offshore vessels.
Yes. SM MARINE SERVICE™ supplies New, Used, and Professionally Reconditioned CyScan equipment depending on customer requirements.
The CyScan PSU with Ethernet (20-0084-0-A) is a marine-grade power supply designed for the CyScan Laser Position Reference System used in Dynamic Positioning applications. It converts AC input to a stable 24 VDC output while supporting Ethernet communication between the sensor and vessel network. It is an essential component for maintaining reliable DP positioning on offshore vessels.
Useful documentation includes:
SM MARINE SERVICE™ specializes in marine navigation, automation, and offshore electronic equipment.
We provide:
We support ship owners, ship managers, offshore companies, marine service providers, and purchasing departments worldwide.
SM MARINE SERVICE™
Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
China Warehouse & Support Center
Shanghai, China
Website
www.smmarineservice.com
Email
info@smmarineservice.com
WhatsApp
+8801818929292
Marketing Contact
Nazmul Hasan Bhuiyan
SM MARINE SERVICE™ supplies New, Used, and Reconditioned marine equipment with worldwide shipping, professional technical support, repair, calibration, testing, and spare parts sourcing for marine navigation, automation, communication, engine control, and offshore systems.
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