The Yokogawa EML500 is an electromagnetic speed log designed for general merchant vessels. It is a discontinued product, but it was still a popular choice for many years due to its reliability and accuracy.
The EML500 uses the electromagnetic principle to measure the speed of a vessel through the water. It does this by measuring the voltage induced in a pair of electrodes mounted on the hull of the vessel. The voltage is proportional to the speed of the vessel through the Earth’s magnetic field.
Here are some additional details about the Yokogawa EML500:
- Sensor type: Dual-axis sensor (optional)
- Output: NMEA 0183
- Power supply: 110 / 220V AC 50/60 Hz
- Dimensions: 185 mm dia. x 210 mm dia.
- Weight: 5 kg
Spare parts for DCS and PLC of various brands:
Invensys Foxboro: I/A Series system, FBM (Field Input/Output Module) sequential control, trapezoidal logic control, accident memory processing, analog-to-digital conversion, input/output signal processing, data communication and processing, etc.
Invensys Triconex: Redundant fault-tolerant control system, the most modern fault-tolerant controller based on Triple Modular Redundancy (TMR) structure.
Westinghouse: Spare parts for OVATION system, WDPF system, WEStation system.
Rockwell Allen Bradley: Reliance Ryan, SLC500/1747/1746, MicroLogix/1761/1763/1762/1766/1764, CompactLogix/1769/1768, Logix5000/1756/1789/1794/1760/1788, PLC-5/1771/1785, etc.
Schneider Modicon: Quantum 140 series processors, control cards, power modules, etc.
ABB: DCS and PLC system modules, high-voltage inverter IGCT/IGBT system module cards, industrial robot spare parts DSQC series, Bailey INFI 90, etc.
Motorola: MVME 162, MVME 167, MVME1772, MVME177 and other series.
XYCOM: I/O, VME board, and processor, etc.
GE FANUC: Various spare parts such as modules, cards, drives, etc.
Yaskawa: servo controller, servo motor, servo driver.
Bosch Rexroth: Indramat, I/O modules, PLC controllers, drive modules, etc.
Woodward: SPC valve position controller, PEAK150 digital controller.
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