株式会社エー・アンド・デイ（本社：東京都豊島区、代表取締役執行役員社長：森島 泰信）は、計量器のRS-232C出力をModbus RTU（RS-485）に変換し、最大31台の計量器をマルチドロップでPLCなどに接続できるModbusコンバータ「AD-8551R」を新発売いたしました。

PythonでModbus通信ができるライブラリPyModbusを紹介します。 Welcome to PyModbus’s documentation! — PyModbus 4.0.0dev documentation pymodbus.readthedocs.io 参考として、ネットワーク通信用のライブラリsocketは下記の通りです。 1－1．Modbusとは ...

The Modbus to SDI Protocol Converter (sometimes referred to as ‘BabelStar’) converts Modbus data to/from SDI-12 data. Alternatively it can convert High Speed Serial data to Modbus data. SDI-12 is a ...

is used for data transmission between devices equipped with RS485/ RS422 interface via LAN/WAN network. In the ETHERNET network converter can operate in Virtual Serial Port mode, TCP serial bridge ...

in this project use form LWIP stack for ethernet and support http socket (port 80) and (modbus tcp socket (port 502) after this you can set serial port (modbus/rtu) baud rate , parity and stop bit ...

Modbus is a Serial Communication protocol which was discovered by Modicon in 1979 and it is used for transmitting data over serial lines between the industrial electronic devices. RS-485 Modbus uses ...

Automation Networks is a Technology company providing a wide variety of quality Industrial Networking products for the most popular Ethernet & Fieldbus Industrial Networks. These include Allen-Bradley ...

This is an USB to RS485 Converter Adapter module which supports WIN7, XP, Vista, Linux, Mac OS and provides an easy to use RS485 interface by means of using COM port in the computer. This module is ...

Emerson Process Management announces that its Rosemount 5300 Series Guided Wave Radar (GWR) and 5400 Series non-contacting level transmitters now include the ability to communicate via the Modbus ...