Diagnostics
10.2 Diagnostic messages to the S7 controller
SIMATIC PN/J1939 LINK
Operating Instructions, 12/2018, A5E45307564-AA
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Diagnostic messages to the S7 controller
10.2.1
Events that trigger a diagnostic message
The following table lists the events that lead to triggering and removal of the diagnostics:
Diagnostics-relevant events
Table 10- 6 Diagnostics-relevant events
Transition of the CAN controller to "Bus off" state CAN controller exits the "Bus off" state
Transition of the CAN controller to "Error passive" state CAN controller exits "Error passive" state
again
Internal communication error Diagnostic information was transmitted to
the S7 controller via PROFINET
Buffer overflow when sending CAN packets Diagnostic information was transmitted to
the S7 controller via PROFINET
Buffer overflow when receiving CAN packets Diagnostic information was transmitted to
the S7 controller via PROFINET
Null address was set by means of "Address Claiming"
HW configuration with new address was
New valid "Source Address" was set by means of "Ad-
dress Claiming" procedure.
Diagnostic information was transmitted to
the S7 controller via PROFINET
Receipt of PGN message with incorrect length Diagnostic information was transmitted to
the S7 controller via PROFINET
Receipt of DM1 message with changed data Diagnostic information was transmitted to
the S7 controller via PROFINET
PGN was not received within the specified time Diagnostic information was transmitted to
the S7 controller via PROFINET