ICP DAS USA I-7530A-MR-FD User Manual page 82

5. Change user-defined CAN bus baud rate
This command is used to Change user-defined CAN bus baud rate. After
successfully setting, the module will response a successful setting message,
and then reboots.
Request command:
Field Name
Node ID
Function Code
Start Address
Word Count
Byte Count
Data-1
Data-2
Data-3
Note1: This value is command field.
Note2: This value is user-defined CAN baud rate.
Example:
If users want to use CAN bus baud rate of 83.333 kbps. They can set CAN bus
baud rate into Data-2 and Data-3 field. Please refer to step 1~3 for details.
Step 1:
Multiply the CAN baud rate value by 1000.
83.333 kbps = 83.333 *1000 = 83333 bps (Decimal)
Step 2:
Change this decimal value to 2 words hexadecimal value.
83333(Decimal) = 0x00014585(Hexadecimal)
Step 3:
Fill Data-2 and Data-3 field with hexadecimal values (0x00014585) by using
Big-endian format.
Response command:
I-7530A-MR-FD Modbus RTU to CAN Converter User's Manual (Version 1.0, 08/2022) ------------- 82
Size Value Range
Hex rule
1 byte 0x01~0xF7
1 byte 0x10
2 bytes 0x0100
2 bytes 0x0003
1 byte 0x06
2 bytes 0x0005 (Note1)
2 bytes (Note2)
2 bytes (Note2)
Example
0x01
0x10
0x0100
0x0003
0x06
0x0005
0x0001
0x4585