Error Handling
© SYS TEC electronic GmbH 2007 L-1032e_9 53
6 Error Handling
6.1 CAN-Ethernet Gateway Error Signals
The following error states are indicated:
• Problem: Establishing a connection over BTP interface not
possible
Possible causes:
No connection to configured server possible or
connection denied
Indication on Gateway:
Ethernet error LED illuminates
• Problem: CAN RxBuffer overflow, CAN message loss
Possible causes:
CAN bus load too high
receive buffer too small (refer to section
4.2.4 for
settings)
Indication on Gateway:
CAN Error LED illuminates briefly
• Problem: CAN TxBuffer overflow
Possible causes:
CAN messages are being incorporated too quickly into
the CAN send buffer (for example due to high bus load
and low priority of the CAN ID to be sent)
General: incorporation of error messages possible, if CAN
internal high-priority buffer has not overflowed
Incorporation of the original CAN message is attempted again.
Indication on Gateway:
CAN Error LED illuminates briefly
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