ZLG CANDTU-400EWGR, User Manual

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CANDTU-400EWGR
CAN Bus Message Records and Wireless Data Transmission Equipment Series Products
©2021 Guangzhou ZLG Microelectronics Technology Corp.,Ltd.
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User Manual
Table 1 Error frame data description
Data area Data description
Byte0 Bus state. Its value is defined as shown in
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Byte1 Bus error type;
When Byte0 is 0xE1, the byte is valid;
Its value is defined as shown in
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Byte2 0x00
Byte3 Receive error count
Byte4 Send error count
Table 2 Definition of bus status
Error type Error type description
0x00 Bus normal
0xE1 Bus error
0xE2 Bus alarm
0xE3 Bus negative
0xE4 Bus off
0xE5 Bus overload
0xE6 Bus wake-up
Table 5 Definition of bus error value
Error value Error description
0x01 Bit error
0x02 Acknowledgment error
0x04 CRC error
0x08 Format error
0x10 Fill error
0x20 Overload error
0x40 Receive buffer full
0x80 Send buffer full