Serial Port Connection - ICP DAS USA I-7530A-MR-G User Manual

2.3.2

Serial port connection

The I-7530A-MR offers three serial interfaces. It is recommended to
use only one of them at the same time. The following figures describe
these port types and the wiring method for a serial device.
I-7530A-MR Modbus RTU to CAN Converter User's Manual (Version 1.08, 07/2019) ------------- 13
Figure 2-5: RS-232 Wire Connection
Figure 2-6: RS-422 Wire Connection
Figure 2-7: RS-485 Wire Connection