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Library› Engine Room› Automation & Control› Integrated Automation System (IAS)› Kongsberg Maritime K-Chief 800 200pt
Kongsberg Maritime

K-Chief 800 200pt

Integrated Automation System (IAS) · Automation & Control

Class-certified type (DNV register) · technical data sheet not yet verified

Kongsberg Maritime K-Chief 800 200pt — Automation & Control.

Specifications

Technical data.reference — unverified

I/O Points200
ProtocolEthernet/Modbus
Class ApprovalDNV/LR/ABS
Inspection

Inspector Detail

Common issues

  • Loss of comms between the operator station and I/O cabinets on the plant network
  • Sensor/actuator signal drift going undetected until an alarm or control error appears
  • Alarm flooding after a single upstream fault, making the real cause hard to find
  • Redundant server/network switch failing to failover cleanly when tested
  • HMI workstation lock-up or slow response after long uptime without reboot
  • Configuration or firmware version mismatch after a partial software update
  • UPS backup not carrying the system through a mains interruption

Inspection checklist

  • Review alarm and event log since the last inspection for repeat or unacknowledged alarms
  • Force a redundancy switchover (server, network) and confirm bumpless transfer
  • Verify I/O signal readings against an independent instrument at a few sample points
  • Test UPS backup by simulating loss of main power
  • Check network switch status lights and cabling for damage or poor termination
  • Confirm software/firmware revision matches the vessel's approved configuration record
  • Check cabinet cooling fans and filters
  • Verify operator login/permission levels match the approved access list

Service intervals

Backup battery / UPS checkevery 6-12 months
Full redundancy failover testannually, or per class periodic survey requirement
Software/configuration backupafter any change, and verified at least annually
Cabinet filter/fan cleaningevery 3-6 months depending on engine room dust

Critical spares

  • I/O module (matched card type for the affected loop)
  • Redundant network switch
  • Operator station / HMI workstation unit
  • Power supply module for the I/O cabinet
  • UPS battery set

Safety

  • Loss of automation control during maintenance can leave machinery without protective alarms - confirm manual backup control is available before working live
  • Unauthorized configuration changes can silently disable an interlock - all changes need documented approval
  • Single points of failure in the architecture (e.g. one unswitched cable run) can defeat the redundancy the system is supposed to provide

Class survey

Integrated automation/alarm-monitoring systems supporting periodically unmanned machinery space (UMS) notation are tested annually, including alarm response times, redundancy changeover and backup power. Surveyor will want the as-built I/O list and any modification records to match the installed configuration.

Estimated lifetime: not usefully expressed in running hours; this class of integrated automation system typically sees 15-20 years before a full platform renewal, with individual I/O and power modules commonly replaced at 8-12 years - confirm against Kongsberg's stated product lifecycle for K-Chief 800

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