A compact, cost-effective version designed for smaller vessels or environments with limited bridge space. 2. Key Components of the CMZ-700
According to the user manual, proper startup is vital to prevent long-term damage to the gyro sphere.
For detailed technical diagrams, wiring layouts, and comprehensive troubleshooting flowcharts, it is necessary to consult the official documentation. You can often find PDF versions of the CMZ700 Series Gyrocompass Manual on Scribd .
When the system detects an internal anomaly, it generates a visual alarm code on the digital display and triggers the bridge central alarm contact. Alarm Code Probable Cause Corrective Action Power Failure Main AC supply dropped below operational thresholds. Check the input breaker and backup DC 24V battery status. E-02 Rotor Failure Gyro sphere rotor speed dropped below minimum RPM.
The system will initiate a self-diagnostic routine. The display will show status codes.
| Specification | Details | | :--- | :--- | | | Within ±0.25° × (1/cos latitude) | | Dynamic Accuracy | Within ±0.75° × (1/cos latitude) | | Settling Time | Within 5 hours (Operational in about 2 hours) | | Follow-up Speed | Max. 30°/s | | Follow-up Accuracy | Within 0.1° or less | | Permissible Roll/Pitch | ±40° | | Operating Temperature | -10 to +55°C | | Power Supply (CMZ700B) | DC 24V | | Power Supply (CMZ700S/D) | Main: 100/110/115/220/230V AC, Backup: 24V DC | | Dimensions (MKM022) | 350 x 460 x 360 mm | | Dimensions (MKC320/321) | 227 x 420 x 200 mm |
: Provides stepper, synchro, and serial (NMEA0183) outputs for integration with ECDIS, radar, and AIS. Maintenance & Safety
| Component | Part Number | Description | |-----------|-------------|-------------| | Master Compass Unit | CMZ-700-M | Main sensor & processor | | Power Supply Unit | PSU-24V/115V | 24VDC or 115VAC input | | Control Display Unit | CDU-12 | 12” touchscreen display | | Distribution Box | DBX-4 | Signal distribution to repeaters | | Junction Box | JB-2 | Cable terminations |
Compare the repeater heading with the master compass and magnetic compass to verify accuracy.
Confirm that the master compass is clear of loose objects and that all ventilation ports are unobstructed.
Manages signal processing, repeater driving, and system monitoring. Operating Unit: Used for daily operation and settings. Power Unit: Provides stabilized power to the system. 3. Operating Instructions (According to the Manual)
The CMZ-700 series is modular and comes in three primary configurations tailored to different vessel requirements:
Consult the components list in the manual (A-25) for spare parts management. 4.2 Common Error Codes and Troubleshooting The CMZ 700 self-diagnoses problems. Common issues include:
Features automatic speed-error correction based on GPS latitude and ship speed signals. External Sensor Backup:
Complete Operational Guide for the Yokogawa CMZ-700 Gyro Compass
A compact, cost-effective version designed for smaller vessels or environments with limited bridge space. 2. Key Components of the CMZ-700
According to the user manual, proper startup is vital to prevent long-term damage to the gyro sphere.
For detailed technical diagrams, wiring layouts, and comprehensive troubleshooting flowcharts, it is necessary to consult the official documentation. You can often find PDF versions of the CMZ700 Series Gyrocompass Manual on Scribd .
When the system detects an internal anomaly, it generates a visual alarm code on the digital display and triggers the bridge central alarm contact. Alarm Code Probable Cause Corrective Action Power Failure Main AC supply dropped below operational thresholds. Check the input breaker and backup DC 24V battery status. E-02 Rotor Failure Gyro sphere rotor speed dropped below minimum RPM.
The system will initiate a self-diagnostic routine. The display will show status codes.
| Specification | Details | | :--- | :--- | | | Within ±0.25° × (1/cos latitude) | | Dynamic Accuracy | Within ±0.75° × (1/cos latitude) | | Settling Time | Within 5 hours (Operational in about 2 hours) | | Follow-up Speed | Max. 30°/s | | Follow-up Accuracy | Within 0.1° or less | | Permissible Roll/Pitch | ±40° | | Operating Temperature | -10 to +55°C | | Power Supply (CMZ700B) | DC 24V | | Power Supply (CMZ700S/D) | Main: 100/110/115/220/230V AC, Backup: 24V DC | | Dimensions (MKM022) | 350 x 460 x 360 mm | | Dimensions (MKC320/321) | 227 x 420 x 200 mm |
: Provides stepper, synchro, and serial (NMEA0183) outputs for integration with ECDIS, radar, and AIS. Maintenance & Safety
| Component | Part Number | Description | |-----------|-------------|-------------| | Master Compass Unit | CMZ-700-M | Main sensor & processor | | Power Supply Unit | PSU-24V/115V | 24VDC or 115VAC input | | Control Display Unit | CDU-12 | 12” touchscreen display | | Distribution Box | DBX-4 | Signal distribution to repeaters | | Junction Box | JB-2 | Cable terminations |
Compare the repeater heading with the master compass and magnetic compass to verify accuracy.
Confirm that the master compass is clear of loose objects and that all ventilation ports are unobstructed.
Manages signal processing, repeater driving, and system monitoring. Operating Unit: Used for daily operation and settings. Power Unit: Provides stabilized power to the system. 3. Operating Instructions (According to the Manual)
The CMZ-700 series is modular and comes in three primary configurations tailored to different vessel requirements:
Consult the components list in the manual (A-25) for spare parts management. 4.2 Common Error Codes and Troubleshooting The CMZ 700 self-diagnoses problems. Common issues include:
Features automatic speed-error correction based on GPS latitude and ship speed signals. External Sensor Backup:
Complete Operational Guide for the Yokogawa CMZ-700 Gyro Compass
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