Guides

RS485 & Modbus, explained

Plain-English references for the protocols behind our converters — for anyone wiring a panel, spec'ing a gateway, or troubleshooting a serial link.

What is RS485? Wiring, distance & devices explained

The serial standard behind most industrial field devices — how the 2-wire bus works, why it beats RS232 over distance, and how to wire it correctly.

The most common industrial protocol running over RS485 and Ethernet — how registers, function codes, and RTU/TCP framing actually work.