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Automation System Kd 20

Alarm Monitoring & Control System (AMCS) · Automation & Control

Technical data from manufacturer or class sources · not yet verified by a person​‍‌‌‍‍⁠⁠⁠​​‌‌‌⁠⁠‌‍‌​

Ensuring reliable operation and longevity for your vessel is paramount, and Kongsberg Maritime's Automation System KD-20, while no longer sold, continues to receive comprehensive support. Though phased out, this system remains supported by Kongsberg Maritime's global customer support team, available 24/7 to provide prompt responses, technical expertise, and assistance worldwide. Lifecycle enhancements are available through tailored retrofit solutions, extending the vessel's life and boosting performance. Kongsberg Maritime also offers training programs designed to build skills, ensure safety, and maximize operational efficiency. Their training courses cover a range of topics related to the KD-20 system, ensuring personnel are equipped to handle its operation and maintenance effectively.

Specifications

Technical data.

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Product noticeProduct discontinuation notice - KM-1, KD-10 and KD-20
Inspection

Inspector Detail

Common issues

  • Ageing hardware failures with no direct manufacturer replacement available, as this system is discontinued
  • Operator station or display module failures
  • Communication bus/network faults between field stations and the operator station
  • Power supply module degradation with age
  • Battery backup/UPS capacity loss reducing autonomy on mains failure
  • Connector and backplane corrosion in humid engine room cabinets
  • Software/firmware limitations when interfacing with newer peripheral equipment

Inspection checklist

  • Run a full alarm list function test against the class-approved alarm list
  • Check backup power/UPS autonomy time
  • Inspect cabinet cooling fans and filters
  • Check field station communication status and error logs
  • Verify printer/event logging function if fitted
  • Check the vessel's spare card/module inventory against what remains available from the manufacturer
  • Verify system clock/time synchronisation across stations
  • Confirm the installed software version and any applied patches are recorded
  • Check cabinet earthing/bonding

Service intervals

Full alarm system function testannually, and at each relevant class survey
UPS battery check/replacementper the battery manufacturer's interval, commonly every 3-5 years
Cabinet filter cleaningquarterly
Spare module inventory checkannually

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Critical spares

  • Spare I/O and power supply cards - source and retain these while still available, given the discontinuation notice
  • UPS batteries
  • Operator station HMI hardware (keyboard, pointing device, or touch panel as fitted)
  • Communication bus cable and connectors

Safety

  • Obsolescence risk to a safety-critical alarm/monitoring function - a hardware failure with no spares can mask genuine machinery alarms
  • Electrical hazard when fault-finding inside live cabinets
  • Where the vessel holds an unmanned machinery space notation dependent on this system, reduced reliability directly affects that notation and should be reported through the safety management system

Class survey

This alarm monitoring system family has a manufacturer discontinuation notice; owners and class should treat continued reliance on it as an obsolescence risk, particularly where an unmanned machinery space or equivalent notation depends on it. A migration or extended-support plan should be documented, and spares availability should be confirmed with the manufacturer or an authorised service partner rather than assumed.

Estimated lifetime: The manufacturer has issued a discontinuation notice covering this product family (KM-1, KD-10 and KD-20), so remaining service life is now limited by spares availability and support rather than by a technical wear-out figure.

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