ETO ENGINEER

Testing Fire sensors and MCP on the Salwico Consilium Fire Alarm System in Test Mode #Testing #Fire #sensors #MCP #Salwico #Consilium #FireAlarmSystem #TestMode #FAS #FireAlarm

ME LDCL CWCU Troubleshooting Process #ME #LDCL #CWCU #Troubleshooting

ME LDCL CWCU Troubleshooting Process #ME #LDCL #CWCU #Troubleshooting

What Is Inside a Marine Radar? A marine radar consists of several main components. The exact design depends on the manufacturer and radar type, but the basic principle is similar. 1. Antenna The rotating scanner contains a microwave antenna. It transmits the radar pulse and receives the reflected signal from targets such as ships, buoys and land. 2. Transmitter Traditional marine radars use a magnetron to generate microwave energy, typically around 9.4 GHz for X-band radar. Modern #radars may use a solid-state transmitter instead of a magnetron. 3. #Receiver The receiver processes the very weak signal returning from the target. It normally contains: • Mixer • #Amplifiers • IF section • Detector • Signal-processing circuits 4. Antenna Drive An electric motor rotates the antenna at a constant speed. The drive system usually includes: • Motor • Gearbox • Encoder or position sensor • Speed-control #electronics 5. High-Voltage Power Supply On magnetron radars, there is a high-voltage power supply that provides the voltage required by the #magnetron. This section can contain dangerous high voltage even after the radar has been switched off, so proper discharge procedures are essential before servicing. 6. Signal Processing The received radar echoes are converted into digital information and processed to create the radar picture on the display. The processing system can also handle: • #ARPA • #AIS • #GPS • Heading • Speed/log information • NMEA/Ethernet interfaces 7. Cooling System Depending on the radar design, cooling may include: • #Fans • #Heatsinks • Temperature sensors Cooling is particularly important for the transmitter and power electronics. 8. #Antenna Position Feedback The radar must know the exact direction in which the antenna is pointing. An encoder, #synchro or position sensor provides this information to the processing system. Basic principle Transmitter → Waveguide → Antenna → Target → Antenna → Receiver → Signal Processing → #Radar Display For an #ETO, the most important components inside the scanner are usually the #magnetron or solid-state #transmitter, #HV supply, receiver, #motor, #gearbox, encoder, #PCB boards and cooling system.

Articles about Automatic Voltage Regulator: 1. Automatic Voltage Regulators. What is a generator AVR or Automatic Voltage Regulator? 2. Automatic Voltage Regulator and Parallel Operation of generators. Voltage droop 3. Automatic Voltage Regulator. Real power, Reactive power, Apparent power. KW, KVAR, KVA 4. Function of Voltage Regulator and Parallel Generator Operation 5. The Current Transformer Unit - Parallel Switch. Paralleling Different Size Generators 6. Checking and Troubleshooting a Reactive Compensation Circuit for the AVR in an Isolated AC Bus 7. ACB Trouble. The generator does not connect to the main busbars. Troubleshooting #alternators #automaticvoltageregulator #AVR #brushlessalternators #generator #generators #powerfactor #regulators #thyristor #voltage #voltagecontrol #voltageregulator

This was an incident involving a violation of the #LOTO (#Lockout/#Tagout) procedure. An alarm was triggered in the #ECR due to #lowinsulation resistance on an electrical system. The #ETO was informed by the duty Engineer and was asked to investigate the cause. At the end of the day, the alarm was still present, so the duty #Engineer decided to disconnect the electrical circuit that had caused the alarm in order to prevent further #problems during the night. However, the #circuit was not physically isolated or locked out, and no warning tag was placed on it. The information about the intentional disconnection was communicated only verbally to one crew member and was not properly passed on to the rest of the team. Later, during his night safety round, the duty Engineer found that the electrical circuit had been restored and the alarm system had been disabled. This could have resulted in a serious incident if another electrical fault had occurred during the night, as the alarm system would not have been available to provide the necessary warning. The main cause was poor communication and #failure to follow the LOTO procedure. The crew member who restored the electrical circuit was not aware that the duty Engineer had intentionally isolated it because the instruction had only been given verbally and had not been properly communicated to other crew members. According to #SMS procedure, defective equipment must be physically isolated to prevent its use, and a clearly visible warning notice must be displayed to prevent anyone from operating the equipment until the defect has been rectified and the #equipment has been confirmed safe by the Chief Engineer. The main lesson from this incident is that simply switching off an electrical circuit is not sufficient. When equipment or an electrical circuit is isolated due to a fault and must remain out of service, the proper LOTO procedure must be followed, including physical isolation, locking/tagging, clear identification of the isolated equipment, and proper communication to all relevant crew members.

AVR, Rectifiers, and Windings Inspection During a generator inspection, the Automatic Voltage Regulator (AVR) is checked for proper operation and stable #voltage control. Electrical connections are inspected for tightness, overheating, and signs of damage. The #AVR settings and feedback signals are verified to ensure correct #excitation control. The rectifier assembly is inspected for damaged or overheated diodes, loose connections, discoloration, and proper heat sink condition. Diodes can be tested with a multimeter to confirm they are operating correctly, as a faulty #rectifier may cause unstable voltage or reduced generator output. The #generator windings are visually inspected for contamination, moisture, insulation damage, loose bindings, and signs of #overheating. #Insulationresistance is measured with a #megohmmeter to assess the condition of the winding insulation. Any unusual discoloration, burning smell, or evidence of partial discharge should be investigated, as these may indicate insulation deterioration or #winding failure.

AVR, Rectifiers, and Windings Inspection #AVR #Rectifiers #Windings #Inspection #Generator

For an industrial proximity sensor on a ship, the basic test is: 1. Check supply voltage at the sensor — commonly 10–30 VDC (check the sensor label). 2. Check output with a multimeter while bringing a metal target close. • PNP: output should switch approximately 0 V → +24 V. • NPN: output should switch approximately +24 V → 0 V. 3. If it has an #LED, it should change state when the target reaches the sensing distance. 4. Check the sensing distance by moving the target slowly toward the sensor. It should switch reliably and repeatedly. 5. If there is no switching, check the sensor face for dirt/damage, wiring, supply voltage, and finally test the sensor disconnected from the #PLC. For a 2-wire #proximitysensor, the testing method is different because the #sensor is usually connected in series with the load. If you send me a photo/model number and #wiring, I can tell you exactly where to put the #multimeter probes and what #voltage you should get.

EGR NaOH Tank #EGR #NaOH #Tank #sensors

EGR NaOH Tank #EGR #NaOH #Tank #sensors

Interesting 🤔 Do you clean dirty fire alarm sensors in advance or wait for the alarm to sound? #fire #Consilium #Salwico #FAS #FireAlarm

A #pressuretransmitter is an electronic device that measures the pressure of a liquid, gas, or steam and converts it into a standard electrical signal that can be read by a #PLC, controller, or automation system. The most common output signal is 4–20 mA, although 0–10 V and digital communication protocols such as #HART, #Modbus, or #CAN are also widely used. Inside the transmitter is a sensing element that deforms when pressure is applied. The built-in #electronics convert this deformation into an electrical signal proportional to the measured pressure. For example, if the #transmitter has a measuring range of 0–10 bar, it will output 4 mA at 0 bar, approximately 12 mA at 5 bar, and 20 mA at 10 bar. On ships, #pressuretransmitters are commonly used to monitor lubricating oil, fuel oil, cooling water, compressed air, hydraulic systems, ballast lines, and fire main #pressure. The measured values are displayed on operator panels, used by automation systems for process control, and provide alarms and equipment protection.

Be careful when adding sodium thiosulfate to the ANU BWTS. Small pieces of plastic from the bag can clog the solenoids. #sodium #thiosulfate #ANU #BWTS #plastic #solenoids

The Fluke 381 is a professional True-RMS AC/DC #clampmeter designed for electrical #troubleshooting. Its main feature is the removable wireless display, which allows you to take measurements while viewing the readings from a safe distance. It can measure AC/DC current up to 999.9 A, AC/DC voltage up to 1000 V, resistance up to 60 kΩ, and frequency up to 500 Hz. With the included #iFlex flexible current probe, it can measure AC current up to 2500 A. It also provides Inrush Current, Min/Max/Avg measurements, continuity, backlight and a low-pass filter for measurements on noisy electrical systems. The #Fluke 381 is rated #CAT III 1000 V / CAT IV 600 V. For an #ETO, it is especially useful for checking generators, motors, switchboards, feeders and high-current circuits where the remote display improves safety.

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BWTS Techcross Troubleshooting. ECU PRU BusBar Temperature High #BWTS #Techcross #Troubleshooting #BusBar #Temperature #ECU #PRU