9
Figure 4.3 Main interface for sending and receiving data
4.3.2 Send and receive data for example
The following is a brief introduction to the received / sent data format. Please refer to
the
appendix
for detailed data format.
Data description
For example
CAN Frame Information
（
FF
、
RTR
）
0
CAN Frame Information
（
DLC
）
8
CAN Frame ID
00 00 07 00
CAN Frame Date
11 22 33 44 55 66 77 88
The CAN frame Information(FF, RTR) represents the frame format and frame type of
the CAN frame. The specific values are shown in the following table; the CAN frame
Information (DLC) represents the byte length of the CAN frame data. According to
the actual needs , it fills 0 to 8.
Example of special data transmission: table 4.1.
1.The mobile equipment sends data to the CAN terminal, DLC is 2 bytes less than 8
bytes of data(11 22 33 44 55 66 77 88), CAN receives 2 bytes of data (11 22).
2.The mobile equipment sends data to the CAN terminal, DLC is 8 bytes more than 4
bytes of data(11 22 33 44), CAN receives 8 bytes of data (11 22 33 44 XX XX XX
