What is the specific error message being displayed? What does it mean for there to be a communication abnormality between the front-end and M7021-PLC machine code? What is the purpose of these components and how are they typically used in a manufacturing process? Are there any known workarounds
Communication abnormality between front-end-M7021-PLC error typically occurs when the front-end device cannot connect to the back-end device, such as a PLC or control system. This issue can be resolved