Tag: din-rail-meter

Buying Guides · Aug 9, 2026

ABB B23 vs Carlo Gavazzi EM340: When Branded DIN-Rail Meters Are Worth Paying For

A practical comparison of the ABB B23 312-100 and Carlo Gavazzi EM340DINAV23XS1X for three-phase submetering, solar import/export, Modbus integration, tariff handling, panel space, compliance, and long-term maintainability.

energy-meter Solar Monitoring submetering din-rail-meter three-phase meter abb-b23 carlo-gavazzi-em340 modbus-rtu
Setup Tutorials · Jul 23, 2026

Do You Need an RS485 to Ethernet Gateway for Home Energy Monitoring?

A practical guide to deciding whether an RS485 to Ethernet gateway is worth adding to a home or small-site energy monitoring setup, covering Modbus RTU meters, Modbus TCP dashboards, Home Assistant, wiring limits, reliability, gateway configuration, and when USB, Wi-Fi, or a native Ethernet meter is the better choice.

gateway modbus-tcp modbus energy-meter home-assistant Solar Monitoring Setup Tutorial din-rail-meter rs485
Buying Guides · May 30, 2026

When a Wi-Fi Energy Meter Makes More Sense Than a Traditional DIN-Rail Meter

A practical guide to deciding when a Wi-Fi energy meter is the better fit than a traditional DIN-rail Modbus meter, covering retrofit difficulty, local data access, solar monitoring, Home Assistant, three-phase panels, reliability, and the trade-offs that matter before installation.

modbus energy-meter home-assistant Solar Monitoring wifi-energy-meter din-rail-meter