Abstract: The use of Modbus protocol for industrial control and monitoring applications over multipoint RS-485 networks may be constrained by several factors, as the number of messages exchanged over ...

Serial communications have been used in industrial automation for many decades, particularly starting in the early 1960s with the invention of integrated circuits and accelerating when (relatively) ...

Who, Me? Welcome to another working week and therefore another installment of Who, Me? – The Register's reader-contributed column where you confess to making a mess and somehow find safe egress. This ...

More than 100 AutomationDirect MB-Gateway devices may be vulnerable to attacks from the internet due to CVE-2025-36535. MB-Gateway devices made by industrial automation firm AutomationDirect are ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...

LumenRadio has recently introduced a Wireless Modbus (W-Modbus) module built around Nordic Semiconductor’s nRF52840 SoC. The module can connect up to 100 nodes, integrates a power amplifier with 100mW ...

Conventional microcontroller experiments typically utilize products from educational instrument companies, where students complete tasks by wiring and programming. This approach often limits their ...

You may well go your entire life not needing to know the serial number of your computer, phone, or other device. On the other hand, if a time comes when your device needs to be repaired, replaced, or ...

Possibly an upstream change, but since the upgrade of pymodbus v3.5.0 in 2023.9.1, my Modbus Serial connection only works one time before it fails. In releases prior to 2023.9.1, the modbus connection ...