© 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.
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1.5 Other Information
Product information is subject to change without notice. The user manual will be updated frequently;
please refer to Hoymiles official website at www.hoymiles.com for the latest version.
2. Hoymiles Microinverter System
2.1 Microinverter
It converts the DC output of PV modules into grid-compliant AC power. It sends the output
information of PV modules and the operation data of the microinverters to the DTU, which is the
hardware basis of the module-level monitoring. With conversion efficiency up to 96.7% and MPPT
efficiency up to 99.9%, Hoymiles microinverters rank into the first class of the world’s microinverter
industry.
2.2 DTU
The DTU is the key component in Hoymiles microinverter system. It works as the communication
gateway, which operates between the Hoymiles microinverters and the Hoymiles Monitoring Server.
The DTU communicates with the microinverter wirelessly via 2.4GHz Proprietary RF (Nordic),
collecting the operation data of the system. Meanwhile, the DTU connects to the Internet via router
and communicates with Hoymiles Monitoring Server. The microinverter system operation data will
be uploaded to Hoymiles Monitoring Server via DTU.
2.3 Hoymiles Monitoring Server
It collects the operation data and status of the microinverters in the system and provides the module-
level monitoring for the users and maintenance staff. The following diagram shows the Hoymiles
Microinverter system.
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