Sinumerik 810d Waiting For Nck Connection Link

The CCU unit has physical switches that determine the OPI address.

If the machine has been sitting idle for months, or if the control cabinet batteries died during a shutdown, the NCK might have lost its volatile memory (SRAM). sinumerik 810d waiting for nck connection

If the NCK shows a "6" (healthy) and the cable is plugged in, the issue is likely a configuration mismatch. The MMC and NCK must agree on the and Baud Rate . The CCU unit has physical switches that determine