Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus RTU (RS-485) or Modbus TCP/IP (Ethernet/Wi-Fi). Designed for use in farms, ...

Splitting single read/write requests into multiple requests with valid number of memory elements. Automatic reconnection to device. Support of multiple devices on the same serial port (VISA ...

简单来说，Modbus调试软件就是串口助手，或网络调试助手，只不过增加了协议分析，CRC计算报文帧拼接的功能。 上一篇文章介绍了Modbus协议，物理层和协议层，主要包括3种模式：Modbus-RTU、Modbus-ASCII和Modbus-TCP。前两种是基于串口的，后一种是基于TCP网口的。

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Abstract: This paper presents a design and implementation of virtual process using LabVIEW in combination with Modbus TCP protocol for fieldbus control system (FCS). A level virtual process has been ...