Maintenance and diagnostics
Correcting communication failures
11.3.4 Control unit does not respond
When adding and configuring an NK8237 node, verify that you have the correct
protocol, Local address and Baud rate, and that the data link is up (blinking red and
green). If the protocol is not correct (Local address or Baud rate), you will have no
communication in runtime, and no error message will be generated.
Note: The Local address must correspond with the one assigned to the
subsystem during the configuration in the NK8000 Composer tool.
11.3.5 No fault generated by network failure - MP3.15 and higher
If you do not receive a fault from an NK8237 unit when network failure has
occurred, or if there is a long delay before you receive the fault, decrease the Timer
for Micro Interruptions Threshold communication parameter.
Note: Default value is 0 sec.
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