YUDIAN (Hong Kong) Automation Technology Co., Ltd.
YUDIAN (Hong Kong) Automation Technology Co., Ltd.

Communication Module

Download the communication protocol document (AIBUS and MODBUS) and manual of convertor.

AI-MODBUS Gateway v2.0
This gateway provide RS485 to RS485 or RS485 to RS232 conversion, from device to computer/PLC.
AI-MODBUS V2.pdf
Adobe Acrobat document [402.4 KB]
Communication Protocol V8.0
This document contains AIBUS and MODBUS parameters addresses and calculation method. Applicable for instrument with firmware version 8.
ProtocolAI8.pdf
Adobe Acrobat document [565.2 KB]
Communication Protocol V7.0
This document contains AIBUS parameters addresses and calculation method.
Applicable for instrument with firmware version 7.
AIBUSCommProtocolV70.pdf
Adobe Acrobat document [71.3 KB]
Sample Communication Code - VB
VB.txt
Text document [1.1 KB]
AI-485U RS485 to USB Convertor Driver for Windows
RS485 (client instrument) to USB (computer) convertor. No external power is required.
AI-485U_USB_RS485_Convertor_Driver.zip
Compressed archive in ZIP format [389.2 KB]

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