VxI Power has developed a bridge device that allows power supplies with Modbus RTU communications capability to be controlled and monitored over the internet or any other WAN or LAN. As well as acting ...

“Not being overcomplicated is Modbus TCP/IP’s biggest draw, not only for PLCs, but especially for PC-based applications,” said Jason Haldeman, senior product specialist for I/O and networking at ...

Modbus TCP connections pose many benefits over RTU RS-485 alternatives. Image: PV Tech. In the last couple of years, the market has seen a few commercial and industrial (C&I) inverter models and ...

Frontline Test Equipment has released Serialtest, a PC-based serial communications protocol analyzer. In response to customer needs, Serialtest contains decoders for Modbus RTU and ASCII, Serial PPP, ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

A diagram of Modbus system architecture, in which the DO-1 monitoring device integrates field-level RS485 devices into the Ethernet-based monitoring system. Learn how affordable and straightforward ...