I-7530A-MR Modbus RTU to CAN
Converter User’s Manual (Version 1.08, 07/2019) ------------- 82
Users can use the Modbus RTU command with function code 03
hex
to read
the transmitted CAN message. The start address of the command is always
0000
hex,
and the data length field must be set to 0007
hex
.
Example:
Use the Modbus RTU command (function code 03
hex
) to read the transmitted
CAN message format from the Output Register:
Figure 6-6: Use the Modbus RTU command (function code 03
hex
) to read the
transmitted CAN message format.