It takes approximately 3 to 4 hours for the gyrocompass to fully settle and provide an accurate heading reading. Do not use the heading data for navigation during this settling period. Interpreting Error Codes and Troubleshooting
| Parameter | Specification | | :--- | :--- | | | | | Settling Time | Within 5 hours (usable accuracy in approx. 2 hours) | | Static Accuracy | ± 0.25° × sec (latitude) | | Dynamic Accuracy | ± 0.75° × sec (latitude) | | Follow-up Accuracy | ≤ 0.1° | | Max. Follow-up Speed | 30°/s | | Environmental | | | Permissible Roll & Pitch | ± 40° | | Vibration Resistance | 0 – 8.3 Hz: ≤ 3mm (peak-to-peak) 8.3 – 25 Hz: ≤ 0.35mm (p-p) 25 – 50 Hz: ≤ 0.1mm (p-p) | | Operating Temp. (Master Compass) | -10°C to +50°C (14°F to 122°F) | | Storage Temp. (Master Compass) | -15°C to +55°C (5°F to 131°F) | | Electrical | | | Power Supply | 24V DC (operating range 20-30V DC) | | Regulatory | | | Certifications | IMO Resolution A.424(XI), JIS F9602 Class A |
Installation time is approximately . The system can be configured according to the vessel's specifications. It is recommended to have a qualified technician handle the installation.
The system typically settles within 2 to 3 hours , providing stable heading data quickly after a cold start. Yokogawa Gyro Compass Cmz 900 Manual
. Permanent mechanical adjustments can be fine-tuned via the slotted mounting holes on the base plate.
Before operating the system, users should be familiar with the fundamental parameters outlined in the technical specification sheets: Specification Details Within 4 hours (under static conditions) Settle Heading Error Less than ±0.3 degrees secant (Latitude) Dynamic Heading Error Less than ±0.7 degrees secant (Latitude) Maximum Follow-up Speed 30 degrees per second Power Supply 24V DC (Main) or 100V/115V/220V AC via a power supply unit Output Signals IEC 61162-1 (NMEA 0183), 1x/step, or synchro signals System Startup and Commissioning Procedures
Ensure your permissible roll and pitch angles have not exceeded ± 40°, which can cause gimbal lock or erratic readings. Issue 2: Power Alarm/Failure It takes approximately 3 to 4 hours for
When turning on the system, the master compass requires time to align itself with True North. The manual advises that the vessel should remain as stationary as possible during the initial spin-up. The compass will reach usable accuracy within 2 hours, and fully settle within 5 hours. 2. Speed Error Correction
The Yokogawa CMZ900 series is a prime example of this technology, having been type-approved to meet the rigorous standards of the International Maritime Organization (IMO), specifically resolution A.424(XI), as well as the Japanese Industrial Standard JIS-F9602 for Class A gyrocompasses.
The master compass must be mounted perfectly parallel to the ship's fore-and-aft centerline. 2 hours) | | Static Accuracy | ± 0
Misalignment of the structural base must not exceed ±0.5∘plus or minus 0.5 raised to the composed with power
The control unit is designed to interface with emergency power supplies to maintain heading data during a total blackout.
The CMZ 900 master compass features a digital operation unit. This unit is used not just for displaying the heading but also for accessing various configuration and calibration settings through a .
If you need further help with specific troubleshooting steps or understanding the manual's maintenance schedules, I can: