Some of the most critical national infrastructure, including power grids and railway networks, have exposed industrial ...

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 ...

The US government warns programmable logic controllers are being targeted, and research turns up 179 vulnerable operational technology (OT) devices.

“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 ...

Santan Vista Water Plant uses a single gateway to integrate 49 Modbus RTU-based actuators into its EtherNet/IP control system without a costly overhaul. Thanks to ICP DAS USA, we are very happy to now ...

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 ...