Modbus Slave Mode - ICP DAS USA I-7530A-MR-FD User Manual

Figure 3-35: The indication of the name in the Pair connection mode.
3.5.3

Modbus Slave Mode

In this mode, there are two methods for users to send command to
the I-7530A-MR-FD. The screenshot of the Utility is shown below.
Received Message
Figure 3-36: The active area of the Utility in the Modbus Slave mode.
Through the first method (check "Use Modbus RTU Command") users
can use the function code 0x03, 0x04, 0x06, 0x10 of Modbus RTU
commands for reading and writing CAN message. The second method
(uncheck "Use Modbus RTU Command") requires users to understand
the Modbus RTU protocol. Then key-in the correct Modbus RTU
command in the text box. Both of the methods require users to click the
I-7530A-MR-FD Modbus RTU to CAN Converter User's Manual (Version 1.0, 08/2022) ------------- 49
Modbus Slave Mode
Fill Message