How to test a Modbus RTU device: wire a USB-to-RS-485 adapter, match serial settings, read a known register, then write safely. Free browser tool included.

Pilot buildings wanted in the EU: test the Better Buildings mini BMS free with Alledio Multi-Sensors, energy and ESG reporting. Apply by 20 December 2026.

Room Unit vs Room Controller for OEMs: branded UI on your host or universal I/O and control loops in the wall. Power, I/O, Modbus, MOQ and NRE compared.

Modbus Poll alternative that runs free, in your browser: poll Modbus RTU/ASCII over Web Serial with Test Center, charts and logs. Try ModbusMate now.

The 230 VAC Alledio Thermostat is discontinued. Archived specs and the four I/O models, plus the Room Controller + Relay MX Extender replacement.

Modbus multi sensor OEM for HVAC IAQ: ANM wall node on RS-485 Modbus RTU with CO2, VOC, presence and dew point. EU-made, MOQ 1,000 pcs, OEM samples.

EC fan vs 3-speed AC fan coil comparison for HVAC OEM engineers: motor control, wiring, efficiency, and which Alledio controller fits each fan path — Room Controller + Relay MX for AC, Room Controller for EC.

OEM BACnet wall multi sensor IAQ node for HVAC and BMS brands: BACnet MS/TP and IP, CO2, VOC, presence, NFC setup. EU-made, MOQ 1,000 pcs negotiable.