ICP DAS USA I-7530A-MR-G User Manual page 59

Application 3:
This application may be used to construct a RS-232 device network via
CAN bus. The architecture is shown below.
Configurations:
In order to apply this application, users need to configure the I-7530A-MR#1,
I-7530A-MR#2, and I-7530A-MR#3 as follows. The RS-232 configurations of
these I-7530A-MRs are decided by the connected RS-232 device.
I-7530A-MR Modbus RTU to CAN Converter User's Manual (Version 1.08, 07/2019) ------------- 59
Figure 5-3: The diagram of Application 3.
Figure 5-4: I-7530A-MR#1 Configuration.