Modbus TCP
Janitza UMG604
Janitza
Overview
The Janitza UMG604 is a three-phase power quality analyser and energy meter used at main distribution points in commercial and industrial installations. This Modbus TCP template reads per-phase voltage, current, active power, and reactive power across all three phases, plus total active and reactive power, grid frequency, and cumulative consumption and production energy counters. Register values are IEEE 754 float32 and refresh every 200 ms. Connecting the UMG604 to ModbusCloud Gateway gives your portal continuous visibility into load balance, grid quality, and bidirectional energy flows without additional software.
Use cases
- Monitor per-phase voltage and current to detect load imbalance across L1, L2, and L3 in real time.
- Track cumulative active consumption and production energy to verify monthly billing figures against utility invoices.
- Alert on total active power spikes to identify abnormal demand events before they trigger peak-tariff charges.
- Compare reactive power on each phase to assess power factor and determine whether capacitor correction is needed.
