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.
Read the guideWhat is Modbus? RTU vs TCP explained
The most common industrial protocol running over RS485 and Ethernet — how registers, function codes, and RTU/TCP framing actually work.
Read the guide