
Modbus TCP
SAJ H2 Series Hybrid Solar Inverter (grid)
SAJ
Overview
The SAJ H2 Series Hybrid Solar Inverter is a three-phase hybrid PV inverter for residential and light-commercial on-grid and off-grid solar installations. This Modbus TCP template reads the inverter's grid interface: instantaneous grid exchange power, per-phase AC currents on phases A, B, and C, and cumulative grid energy. Together these five registers give installers and asset managers a clear, continuous view of how the H2 Series Hybrid Solar Inverter interacts with the utility grid, enabling accurate energy accounting and fault detection without additional metering hardware.
Use cases
- Monitor instantaneous grid exchange power to verify the inverter is not exceeding the site's permitted export limit.
- Track cumulative grid energy over billing periods to cross-check utility invoices against inverter-reported figures.
- Alert on persistent phase-current imbalance across phases A, B, and C to detect wiring faults or load asymmetry.






