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Library› Navigation› Position & Heading› Gyrocompass› Yokogawa CMZ-900D
Yokogawa

CMZ-900D

Gyrocompass · Position & Heading

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

Yokogawa CMZ-900D is a gyrocompass. It is installed on the bridge and/or at the associated sensor location, with outputs distributed to other navigation equipment as required. Its purpose is to provide the vessel navigation parameter indicated by the equipment category for bridge use and connected systems. Sensor principle, correction methods, interfaces and redundancy depend on the exact model and vessel installation. The exact model designation identifies sensing technology, interfaces and accuracy class; these characteristics must be confirmed from the approved manufacturer documentation.

Specifications

Technical data.reference — unverified

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CertificationsRESOLUTION A.424(XI)
IMO CompliantYes
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

A gyrocompass detects the true north by means of a fast-spinning rotor, which is suspended with no friction and is influenced by gravity and rotation of the Earth. A gyrocompass consequently indicates a ship's heading.

Features

  • A modular design saves the space.
  • Dual-unit model for extra reliability.
  • Manual and automatic speed error correction.
  • External heading sensor can back up the heading outputs.
  • Heading deviation monitoring.
  • Serial data output IEC 61162-2 (high-speed transmission).

Standards

  • RESOLUTION A.424(XI)
  • JIS-F9602
Yokogawa CMZ-900D – Photo (af22ee68abbe_S1-1 S. 1)
Photo · af22ee68abbe_S1-1 · S. 1
Yokogawa CMZ-900D – Photo (af22ee68abbe_S1-1 S. 1)
Photo · af22ee68abbe_S1-1 · S. 1
Yokogawa CMZ-900D – Page preview (af22ee68abbe_S1-1 S. 1)
Page preview · af22ee68abbe_S1-1 · S. 1
Source: Yokogawa CMZ-900D datasheet, p. 1
Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Compare the indicated value with independent references and investigate persistent disagreement rather than applying unrecorded corrections. Inspect sensors, antennas, cabling, power supplies, repeaters and network interfaces applicable to the installed equipment. Verify alarms and data outputs to radar, ECDIS, autopilot and voyage-data systems where connected. Keep calibration, deviation or configuration records current as appropriate to the sensor type. Protect exposed sensors from paint, deposits and water ingress. Refer to manufacturer and bridge-equipment documentation for exact test, calibration and alignment procedures.

Inspection

Common failures & inspection points

Spares

Replacement Parts

Spare parts notes

Keep fuses, lamps or display consumables, selected power-supply and interface modules, cables or connectors and manufacturer-recommended sensor service parts. Replacement core sensors or processors must remain compatible with the approved bridge installation. Preserve calibration and configuration data when changing equipment.

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