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SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD.
USBCAN-II Pro
User Manual
Shenyang Guangcheng Technology CO.LTD.
4.3 CAN-Bus diagnosis function
CAN-Bus diagnosis function can detect the bus error frames and bus arbitration
lost.
CAN bus status display:
indicate the CAN bus status include: bus normal,
passive error, active error
、
bus hung.
The CAN controller FIFO overflow:
message within a certain period of time is
too dense, lead to data loss.
The CAN controller error alarm:
when many of errors on the bus, error
counter exceeds the alarm threshold, and display the error count.
The CAN controller negative error:
when many of send or receive errors, lead
to the CAN controller into the negative state, and display the error count.
CAN bus controller error:
when nodes send or receive errors, error counter
value will be accumulate, and can catch the wrong information, such as ACK, CRC
error and so on.
4.4 Relay & Offline
4.4.1 Relay mode
CAN relay function can connect two CAN-Bus together whether they have the
same baud rate, the data flow can be seen in computer. This function can be used to
see the two nodes of data flow, which data is from which node, it can be used to crack
