Industrial IoT Gateway: 10 Models Compared (2026)
Independent comparison of 10 industrial IoT gateways for installers. Modbus, BACnet, MQTT, cybersecurity (NIS2, CRA), and 2026 EU pricing. Which fits?
12 min28 May 2026
Technical guides, comparisons, and best practices for Modbus monitoring
Independent comparison of 10 industrial IoT gateways for installers. Modbus, BACnet, MQTT, cybersecurity (NIS2, CRA), and 2026 EU pricing. Which fits?
Modbus TCP explained for installers: the MBAP header, port 502, wiring, the difference from RTU, and what the 2026 EPBD obligation means.
Energy meter Modbus comparison for 2026: 10 models from Eastron, Schneider, Carlo Gavazzi, Janitza, Siemens and Loxone side by side on MID, accuracy class, connection and use case per installer.
Heat pump Modbus monitoring for installers. Brand-by-brand interface map, the 21 registers that actually matter, COP derivation, SG Ready over Modbus, and what EU EPBD, F-gas and MCS require in 2026.
Refrigeration monitoring ties Modbus data from Carel, Danfoss, Dixell and Bitzer to the F-gas logbook under EU 2024/573. A practical installer guide for 2026.
Installer guide BACnet vs Modbus in 2026. Protocol stack, scheduling, COV, BACnet/SC, cost, when to gateway, and what NIS2 plus EPBD recast change.
RS485 wiring for Modbus explained: cable choice, length vs baud rate, A/B polarity, termination, shielding, and the field mistakes that break a bus.
Home Assistant Modbus integration for installers. Three connection types compared, YAML examples for SolarEdge and Eastron, scan_interval guidance per device class, and when to step up to professional monitoring.
Modbus RTU explained for installers. Frame structure, RS485 wiring, function codes, troubleshooting, and what the EPBD obligation from 2026 means.
Practical Modbus gateway buyer guide for 2026. Four gateway types, the specs that matter, price bands, IEC 62443 and where the ModbusCloud Gateway fits.
What is Modbus, and why is it still the dominant protocol in 2026? How RTU and TCP differ, function codes, registers, and where you meet Modbus on real jobs.
Complete guide for heat pump and HVAC installers on meeting the logbook requirements of EU 2024/573, with thresholds, deadlines and a practical migration plan.
Practical guide for installers: connecting MODBUS 40 to F-series, activating Modbus TCP on S-series, register reference, troubleshooting and BMS integration.
Everything about RS485 cabling for Modbus RTU: cable selection, termination, A/B polarity, shielding, topology, and the top 10 wiring mistakes.
Complete English guide to the Eastron SDM630: all ~100 Modbus registers, RS485 wiring, integration with Home Assistant and ESPHome, and MID certification details.