1. Features include photoelectric isolation, extended communication distance, and accelerated data acquisition speed, with support for both Modbus-RTU and Modbus-ASCII protocols.

2. AI-Modbus-S uses an RS485 interface on the host computer side, while AI-Modbus-R uses an RS232 interface on the host computer side.

3. Designed with a DIN rail and bottom bus terminals, it can connect up to 32 Yudian instruments via the bottom RS485 interface.

4. When using multiple communication controllers, they can be connected to the same RS485 bus of the host computer.

5. Configuration software is provided to freely set parameters to be collected, number of instruments, module addresses, host computer port communication format, and baud rate range (9600bps~57600bps).

6. Powered by 24VDC by default (model suffix -24VDC); 220VAC power supply is available upon customization.

7. Primarily designed for existing customers to pair with the D71 series products.