Cmz 900 Manual - Yokogawa Gyro Compass
Before diving into the manual specifics, it is vital to understand why mariners still search for this specific model. The CMZ 900 is a that utilizes a high-speed rotor to maintain orientation relative to space.
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
The full Yokogawa manual (doc no. 9CMZ-900-01E) contents: Yokogawa Gyro Compass Cmz 900 Manual
| 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 |
| Specification | Value | | :--- | :--- | | | Within 5 hours; usable accuracy in approx. 2 hours | | Static Accuracy | ±0.25° x sec(Latitude) | | Dynamic Accuracy | ±0.75° x sec(Latitude) | | Follow-up Accuracy | 0.1° or less | | Maximum Follow-up Speed | 30°/s | | Power Supply | 24 VDC (20 to 30V) and/or 100/110/115/220 VAC, 50/60Hz (with adapter) | | Permissible Roll/Pitch | ±40° | | Operating Temp (Master Compass) | -10℃ to +50℃ | | Permissible Vibration | 0 to 8.3Hz: 3mmP-P or less; 8.3 to 25Hz: 0.35mmP-P | Before diving into the manual specifics, it is
The core principle of a gyrocompass, including the CMZ 900, is the use of a fast-spinning rotor that is suspended with virtually no friction. This rotor is influenced by gravity and the Earth's rotation, causing its axis to align with the true north, irrespective of the ship's magnetic field. Consequently, the device provides an accurate and stable heading reference, essential for navigation and steering control systems.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. 9CMZ-900-01E) contents: | Parameter | Specification | |
The CMZ900 series is modular, allowing for configurations that suit different vessel sizes and reliability needs: Mackay Communications, Inc.
The gyrosphere itself has a finite operational life (often around 3 to 5 years of continuous use). The manual tracks "Gyro Running Hours." When the hours approach the manufacturer's limit, plan for a sphere replacement at the next convenient port of call to avoid unexpected failures. Daily and Weekly Checks
: A compact, single-unit model designed primarily for small to medium-sized merchant vessels where space is limited.