Ensure that the control module power supply is stable (such as AC/DC power adapter) and the power module indicator is normal (solid fill indicates normal, flashing may indicate undervoltage or hardware failure).

Advanced control systems can choose to end the current cycle or start the drive to stop. Check the program logic and control strategy. Verify the three-phase power connection, check the phase detection circuit and motor current limit settings.

DP input data is accessed through the PROFI_USR register (such as vmeMasRxPage). The VME_MAS_RXPG_LOCK bit needs to be declared in the pfbMasCoherFlags register to prevent the embedded processor and the host from accessing the same page at the same time.

　　Key Points 　　President Donald Trump has long touted the importance of manufacturing jobs in America. 　　But the U.S. aviation industry is facing a wave of retirements for aircraft technicians and other skilled aviation workers. 　　Airlines and aerospace companies are trying to get more younger people interested in the field.

　　Key Points 　　Air India Flight 171 crashed Thursday moments after takeoff from Ahmedabad, India, bound for London. 　　There were 242 people on board when the Boeing Dreamliner crashed into a residential area, killing all but one person on the flight. 　　It’s the first fatal crash of Boeing’s Dreamliner aircraft.

　　Key Points 　　United, Delta, Turkish Airlines and a host of other carriers canceled Israel flights or extended a suspension of service. 　　Israel launched missile strikes on Iran overnight, and Iran launched more than 100 drones toward Israel on Friday morning. 　　Military conflicts have forced airlines to reroute planes or suspend service repeatedly in recent years, forcing them to take longer flight paths as a safety measure.

　　Key Points 　　The crash of Air India Flight 171 and the Israel-Iran conflict are casting a shadow over what was supposed to be a relatively upbeat Paris Air Show. 　　Air India Flight 171 was the first-ever deadly crash of a Boeing 787 Dreamliner. 　　Boeing CEO Kelly Ortberg and Stephanie Pope, who leads the commercial airplane unit, are canceling their plans to go to the Paris Air Show after the crash. 　　Kelly Ortberg’s first Paris Air Show as Boeing CEO was set to be relatively upbeat.

　　Key Points 　　The Nasdaq Composite had its best week since 2022 as investors reckoned extreme market turbulence spurred by tariff uncertainty. 　　Nvidia led the way, surging over 17% for its best week since August. 　　The Nasdaq had its second-best day ever during the wild trading week.

　　Key Points 　　Founders Fund said in a filing with the SEC on Friday that it has closed a $4.6 billion late-stage venture fund. 　　Peter Thiel, Napoleon Ta and Trae Stephens are the three directors named in the filing. 　　The firm’s general partners contributed a significant amount to the fund, according to a person familiar with the matter.