Urgent Reminder! This Incorrect PLC Grounding Method is Silently Damaging Your CPU Module!
(Thanks to everyone for your likes and appreciation. If this article resonates with you, please “like” and “recommend”, thank you all!) Article Overview A few days ago, while debugging equipment, the CPU module of a running S7-1200 PLC suddenly crashed. After powering it back on, it reported an error, and the SF light remained on, … Read more