Can you explain what is meant by there being "no feedback" in the communication between M74-PLC and CCD? What is the M74-PLC and what is its role in the communication process? Can you provide more information about the CCD part machine code of KM-ASSY
The solution to this issue could potentially be to restart the CCD part, which could communicate with the M74-PLC and provide feedback. However, it's important to take note that this is just one possible solution and other underlying issues