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03 Product Introduction
User Manual V1.6-2024-03-20
WARNING
• O-grid parallel system is not supported. Do not parallel connect the back-up ports of the
inverters in the system.
• The parallel communication cable should meet the following requirements when installing
the system:
• Use CAT5E, CAT6 or CAT7 sheilded Ethernet cable when the length of the cable is less
than or equal to 5m.
• Use CAT7 sheilded Ethernet cable when the length of the cable is more than 5m but less
than or equal to 10m.
• Do not use a cable longer than 10m, otherwise the communication may be abnormal.
• Ensure that the material, cross-sectional area, and length of the conductors of the AC
cables between the master and slave inverters for both on-grid and back-up ports, as well
as the DC cables between the battery and the inverter, are the same.
• In parallel scenarios, only the smart dongle Ezlink is supported for parallel networking.
Only one Ezlink is required in one parallel system. The inverter connecting to Ezlink and
smart meter is considered as the master inverter, while all the others are slave inverters.
• In parallel scenarios, do not connect any communication module to the slave inverters.
Otherwise, the system cannot communicate properly.
Parallel System
NOTICE
• In the parallel system, the inverter EMS communication port does not support access to
third-party EMS monitoring devices.
• If you need to use a parallel system, please rst check the inverter rmware version
through the SolarGo app to ensure that :
• software version of SolarGo is above 5.3.0.
• the rmware versions of all inverters are consistent, andthe DSP version is above 07 and
the ARM version is above 08.
• rmware version of EzLink is above 04.
• If the rmware version does not meet the requirements, please contact GoodWe to
upgrade the software version.
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