Solar PV & Energy
Solar PV inverter Modbus integration via Fronius and SMA for real-time yield monitoring in KNX, MID-certified sub-metering with Eastron SDM630 and Carlo Gavazzi for energy reporting, and dynamic EV charger load management with KNX and OCPP.
Solar PV and KNX: Fronius Symo Modbus integration for self-consumption optimisation
Fronius SunSpec Modbus TCP register map for AC power, grid power and battery SOC, Intesis IN701KNX gateway signal table with group address mapping, SG Ready heat pump relay logic triggered by PV surplus, and export limiting via Modbus power limit register. Covers SMA Sunny Boy alternative and commissioning via ETS6 Group Monitor.
Energy metering with KNX: Eastron SDM630, Carlo Gavazzi EM340 and MID certification
MID-certified 3-phase sub-metering with Eastron SDM630 MCT and Carlo Gavazzi EM340 over RS-485 Modbus RTU, KNX group address mapping via MDT KNX/Modbus gateway, CT selection for circuits above 63A, and BREEAM Hea 05 multi-circuit sub-metering architecture. Includes commissioning verification against meter front-panel display.
EV charging and KNX: Easee Equalizer OCPP, dynamic load management and SG Ready
Easee Home and Easee Charge OCPP 1.6J integration via EVCC and Home Assistant KNX bridge for PV-surplus-driven dynamic current adjustment, charging current formula for single and 3-phase, Wallbox Pulsar Plus as alternative, combined SG Ready and EV priority logic, and BREEAM Tra 03 compliance documentation.
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