janitza

Service to use Janitza Meters with Venus OS

janitza modbus tcp geter

Official docker image from Janitza.

Read a Janitza UMG 96RM power analyzer over Modbus RTU / RS-485 — no Modbus library, tools for consumption and efficiency measurements

Software-defined Modbus→MQTT gateway for Janitza UMG — retrofit existing meters, virtual meters, Home Assistant + InfluxDB, live web UI.

Home Assistant custom integration for Janitza UMG 604-PRO via Modbus TCP

Software-defined gateway for meters, inverters and sensors: Modbus TCP/RTU, HTTP/JSON and MQTT in; MQTT, InfluxDB, Home Assistant and virtual Modbus meters out. Templates, a rules engine, an operator UI. Runs a real PV site since 2026.

readout values und erngy data from the energy-management system janitza gridvis - Needed minimum Standard Lizence