1. What is the context of this error? Is it occurring during a specific operation or process within the PLC system?
2. How was the machine configured to recognize the PLC Marker point photo request signal? Were any specific settings or parameters made to the PLC or the CCD camera?
M138-CCD reads the PLC Marker point photo request signal timeout (D206=1) indicates that the marker point photo request did not receive a response from the PLC. This could be due to communication issues