Maersk Line Engineer Officer 2 Interview Questions and Answers

PLC stands for Programmable Logic Controller which is an industrial digital computer used for automation of electromechanical processes.

• PLC receives input signals from sensors and other devices

• It processes the input signals using a program stored in its memory

• Based on the program, it sends output signals to control actuators and other devices

• PLCs are used in various industries such as manufacturing, automotive, and foo...read more

To check if IGBT is working properly in Drive, follow these steps:

• Check for any physical damage or burn marks on the IGBT

• Measure the voltage across the IGBT using a multimeter

• Check the gate voltage to ensure it is within the specified range

• Check the current flowing through the IGBT using an oscilloscope

• Perform a functional test by running the drive and monitoring the IGBT's performance

• Compare the readings with the manu