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03 Product Introduction
User Manual V1.1-2024-03-10
3 Product Introduction
3.1 Functions
EzLogger is an exclusive equipment to connect with the monitoring platform in PV power generation system.
It integrates the ports to connect with the inverter, the environmental monitoring instrument (EMI), the smart
meter and other devices. It owns the functionalities of data logging, log storage, centralized monitoring and
maintenance in PV power generation system.
EzLogger is applicable to the PV power generation system:
• Via RS485 communication to connect: RS485 devices such as the inverter, the smart meter, and EMI;
• Via Ethernet communication to connect: the router, the switch, PC and power plant monitoring system;
• Via PLC communication to connect: the inverters with PLC functionality.
Networking of Single EzLogger
EMI
MV Station
EzLogger
Router
Monitoring Platform
Smart Meter
• A single RS485 communication channel in EzLogger3000U can support a maximum of 20 inverters' connections.
• A single PLC communication channel in EzLogger3000U can support a maximum of 60 inverters' connections.
• An external protection device like breaker or surge protection module is recommended when PLC
communication is applied. Recommended specications:
• Surge protection module: 1000VAC/20KA
• Breaker: 1000VAC/32A
RS485 Communication
PLC Communication
Ethernet Communication
Wireless Communication
SEMS Portal Server
......
3.2 Networking
SEMS Portal App
Inverter N
Inverter 1
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