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The following photo was taken at a customer site, showcasing a case where the power supply for the HMI and control board was separated and applied individually. Key Features: Ferrite core attached to the communication cable. Thicker power cables used, with ferrite cores also attached. Dedicated SMPS for the HMI (Panel PC). Separate SMPS for the control board. Control board. The reason for separating the power supply is to prevent both systems from being affected simultaneously by noise or sur …

Someone asked a question about an issue they are experiencing. They mentioned that the screen occasionally freezes, and they are curious about the cause. This applies to users of PCs, HMIs, ComfilePi, and other similar devices. Possible Causes Based on the symptoms and their distribution, the issue can generally be classified into software-related causes and hardware-related causes. 1. Software-Related Causes If the machines are installed in multiple locations and the same issue occurs across di …