Transcription of Technical Note – SunSpec Logging in SolarEdge Inverters
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Version , December 2021 1 Technical Note SunSpec Logging in SolarEdge Inverters Technical Note SunSpec Logging in SolarEdge Inverters Version History Version (December 2021): Updated Use Cases for MODBUS over TCP Multiple inverter Connection Version (February 2021): Updated Modbus Register Mappings Version (December 2020): Updated Modbus Register Mappings Version (September 2020): New multiple MPPT inverter extension model for Synergy Inverters Version (January 2019): Addition of SetApp information Addition of Modbus over TCP option Addition of reference to inverter upgrade procedure Addition of Appendix C Encoding and Decoding 32-bit Values in Modbus.
Modbus is a serial communications protocol typically used to connect data collection terminals to a centralized processing unit. SolarEdge products use Modbus to perform SunSpec messaging over two types of physical/link-layer channels:
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