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NCU link: the NCU %1 has not received a message

%1 = NCU number

Error message of the NCU link module. During operation of the NCU link, a message from the local NCU to the NCU specified in the alarm parameter has failed. A hardware error may have occurred (e.g. sporadic disturbances on the communication line).

-    NC not ready.

-    Channel not ready.

-    NC Start disable in this channel.

-    Interface signals are set.

-    Alarm display.

-    NC Stop on alarm.

The message does not fail until several attempts have been made to repeat the communication. The number of repetitions can be increased with MD LINK_MAX_RETRY_CTR.

Switch control OFF - ON.


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