YOKOGAWA CMZ-700 Gyrocompass | Marine True Heading System | SM MARINE SERVICE™
YOKOGAWA CMZ-700 GYROCOMPASS
Manufacturer Information
Manufacturer: Yokogawa Electric Corporation
Country of Origin: Japan ????????
Equipment Type: Marine Gyrocompass System
Application: Ship Navigation & Heading Reference System
Product Introduction
The YOKOGAWA CMZ-700 Gyrocompass is a professional marine navigation instrument designed to provide highly accurate True North heading information for commercial and offshore vessels operating worldwide.
The CMZ-700 is widely recognized for its reliability, heading accuracy, and long-term operational stability. It is commonly installed onboard merchant vessels where accurate heading information is essential for safe navigation and efficient bridge operations.
The system provides heading data to multiple navigation systems including radar, ECDIS, AIS, autopilot, and voyage data recorders.
The YOKOGAWA CMZ-700 is commonly used onboard:
- Cargo Ships
- Container Vessels
- Bulk Carriers
- Oil Tankers
- Chemical Tankers
- Offshore Support Vessels
- Passenger Ships
- Government & Naval Vessels
What Is YOKOGAWA CMZ-700?
The CMZ-700 is a marine gyrocompass system that automatically seeks and maintains True North using gyroscopic principles and the Earth's rotation.
The system provides:
- True Heading Information
- Radar Heading Reference
- ECDIS Heading Input
- AIS Heading Data
- Autopilot Interface
- VDR Heading Recording
- Navigation System Synchronization
Unlike magnetic compasses, the CMZ-700 is not affected by magnetic variation and provides a highly stable heading reference for modern bridge systems.
Main Features
High Accuracy True Heading
The CMZ-700 continuously provides precise heading information under various sea conditions.
Automatic North Seeking
The system automatically aligns itself with True North and maintains stable heading output.
Excellent Marine Reliability
Designed specifically for marine applications, the CMZ-700 is built to withstand harsh shipboard environments.
Navigation System Integration
The system interfaces with:
- Radar Systems
- ECDIS
- AIS
- Autopilot
- Voyage Data Recorders (VDR)
- Bridge Repeaters
Continuous Heading Monitoring
The gyrocompass continuously monitors heading stability and system performance to ensure safe navigation.
Main Components
1. Master Compass Unit
The primary gyrocompass responsible for generating accurate heading information.
2. Control Unit
Provides system monitoring, alarm handling, and configuration functions.
3. Gyro Assembly
The heart of the system that maintains directional stability and heading accuracy.
4. Repeater Compass
Displays heading information at multiple locations onboard the vessel.
5. Interface Modules
Used for communication with radar, ECDIS, AIS, autopilot, and VDR systems.
Applications
The YOKOGAWA CMZ-700 is widely used for:
- Ocean Navigation
- Coastal Navigation
- Harbor Approach
- Offshore Operations
- Dynamic Positioning Support
- Radar Stabilization
- ECDIS Navigation
- Autopilot Control
The system is suitable for vessels requiring accurate and reliable heading information during long voyages and demanding operational conditions.
Shipboard Installation
The CMZ-700 is normally installed within the vessel's navigation system network and connected with:
- GPS
- Radar
- AIS
- ECDIS
- Autopilot
- Voyage Data Recorder
This integration allows bridge officers to maintain accurate situational awareness and improve navigational safety.
Common Problems & Troubleshooting
Gyro Fail Alarm
Possible Causes:
- Internal Gyro Fault
- Power Supply Instability
- Sensor Failure
- Control Circuit Problems
No Heading Output
Possible Causes:
- Communication Failure
- Interface Board Fault
- Wiring Issues
- Configuration Error
Heading Fluctuation
Possible Causes:
- Vessel Vibration
- Calibration Issues
- Internal Gyro Instability
Repeater Compass Failure
Possible Causes:
- Signal Cable Damage
- Power Supply Problem
- Repeater Unit Fault
Alarm Communication Error
Possible Causes:
- Interface Failure
- Data Transmission Error
- Control Unit Fault
Maintenance Tips
Marine engineers should regularly inspect:
- Power Supply Voltage
- Alarm History
- Gyro Assembly Condition
- Heading Stability
- Repeater Synchronization
- Communication Outputs
- Interface Modules
- Cable Connections
Proper maintenance increases:
- Navigation Safety
- System Reliability
- Equipment Lifespan
- Heading Accuracy
Why Ships Still Use YOKOGAWA CMZ-700
The YOKOGAWA CMZ-700 remains a trusted gyrocompass system because of:
- Reliable Heading Performance
- Proven Marine Technology
- Excellent Operational Stability
- Long Service Life
- Easy Integration with Navigation Systems
- Worldwide Industry Acceptance
Many ship operators continue using CMZ-700 systems due to their durability and dependable performance.
Frequently Asked Questions (FAQ)
What is the main function of the CMZ-700?
The CMZ-700 provides accurate True North heading information for ship navigation systems.
Can the CMZ-700 interface with ECDIS and Radar?
Yes. The system is designed to provide heading reference information to radar, ECDIS, AIS, autopilot, and VDR systems.
Is the CMZ-700 suitable for commercial vessels?
Yes. The system is widely used onboard cargo ships, tankers, offshore vessels, and passenger vessels.
Do you supply refurbished units?
Yes. SM MARINE SERVICE™ can supply new, used, refurbished, and reconditioned units depending on stock availability.
Short Product Description
The YOKOGAWA CMZ-700 Gyrocompass is a professional marine heading reference system designed to provide highly accurate True North heading information for modern commercial vessels. It supports radar, ECDIS, AIS, autopilot, and VDR systems for safe and efficient navigation.
SM MARINE SERVICE™
Marine Automation & Navigation Equipment Supplier
Available Condition
• New Equipment
• Used Equipment
• Refurbished Equipment
• Reconditioned Equipment
Stock Location
• Bangladesh
• China
Services
• Worldwide Shipping
• Technical Support
• Spare Parts Supply
• Marine Equipment Sourcing
Contact Information
SM MARINE SERVICE™
Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh
Mobile / WhatsApp / Viber: +88 01818 929292
Email: info@smmarineservice.com
Website: www.smmarineservice.com