For the modern mariner, the gyro compass is often just another screen on the console—a silent digital readout of degrees. But behind that number is a legacy of precision engineering.
The North Atlantic was a wall of gray slate, but inside the bridge of the M.V. Kestrel , the glow of the was the only horizon that mattered. While the magnetic compass on the wing was dancing wildly, jittered by the massive steel hull and the electrical hum of the cargo hold, the Yokogawa sat silent and resolute.
The flagship of their legacy is the (and its predecessors like the CMZ-100, 200, and 500). These units are a masterclass in industrial design. yokogawa gyro compass
As the Kestrel pitched into a thirty-degree roll, the Yokogawa’s gravity control device sensed the tilt. It whispered a correction to the —the internal frame that moves independently to keep the heading true. Through the NMEA output of the KC 313 control box, the compass fed this steady truth directly into the ship’s radar and autopilot.
Yokogawa Gyro Compass Control Box KC 313 (24 V DC, NMEA Output, Marine Application) at ₹ 1000/piece in Bhavnagar. Gyrocompass Yokogawa Cmz 500 - IndiaMART For the modern mariner, the gyro compass is
Yokogawa, founded in 1915, was initially a powerhouse in industrial measurement and control. When they turned their attention to maritime navigation, they didn't just copy existing designs; they optimized them for the harsh realities of the sea.
| Fault Indication | Probable Cause | Corrective Action | | :--- | :--- | :--- | | | Low gyro spin motor RPM | Check power supply voltage; inspect gyro sphere oil level | | Oscillation at stop | Damping system failure | Reset control board; check liquid damping sensor | | Latitude error high | Manual latitude not updated | Input current latitude; enable auto-correction from GPS | | Alarm: "Gyro Temp High" | Ventilation blocked or heater stuck | Clean air filter; measure heater relay resistance | | Heading jumps randomly | Step repeater signal interference | Check shielded twisted-pair cabling; ground the CDU chassis | Kestrel , the glow of the was the only horizon that mattered
A Yokogawa gyro compass functions by using a fast-spinning rotor suspended with near-zero friction. It relies on two primary physical phenomena: