Tag: modbus-rtu

Waveshare RS485 to Ethernet Gateway: When It Is Enough and When It Is the Wrong Tool

A practical guide to when the Waveshare RS485 TO ETH (B) is a sensible low-cost bridge for Modbus meters, and when a complete monitor or industrial gateway is the better choice.

modbus-tcp home-assistant energy-monitoring Buying Guide rs485 modbus-rtu Waveshare Industrial Gateway

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