%1 = Extension indicating the monitoring channel that detected the error The delay time (1s) for communication monitoring was exceeded in the monitoring channel specified in %1 (NCK or PLC). The other monitoring channel did not send a new data packet within this time.
- Alarm display.
A timer of 5 secs is started, after the expiry of which the external NCK SPL outputs are deleted the PLC changes to stop.
Check the system components (the PLC must have the correct version of FB15 and DB18).
Switch control OFF - ON.
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