Huawei Certified Field Specialist -Smart PV Controller - H20-681-ENU Exam Practice Test
During the upgrade of the SUN2000 inverter software, disconnecting the DC input switch of the inverter may cause the inverter to fail to upgrade. When the inverter DC switch is closed again, the "software version mismatch" alarm may occur and the grid cannot be generated. Need to be re-upgraded to resolve.
Correct Answer: B
The inverter deleted by the NetEco1000S system is automatically restored again, and you can try to delete it several times.
Correct Answer: A
If you log in to the SUN2000 APP through an advanced user or a special user, you can click "Alarm" on the main function menu interface to enter the "Current Alarm" interface. You cannot view the alarm through the login of the general user.
Correct Answer: A
Regarding the shutdown operation of Huawei SUN2000 inverter, which of the following description is correct? (Multiple choice)
Correct Answer: A,B,D
The fishing light complementary photovoltaic power station has large ambient humidity and serious component PID attenuation, and it is necessary to take anti-PID attenuation measures.
Correct Answer: B
When the SUN2000 inverter has an alarm, the alarm ID is 400-21 (system failure - grid relay failure), which of the following troubleshooting suggestions are correct? (Multiple choice)
Correct Answer: A,B,C,D
Huawei SUN2000L household inverter standby is divided into the following () stages. (Multiple Choice)
Correct Answer: A,B,C,E
When creating a power station in the NetEco1000S system, the power station information that can be set is (). (Multiple Choice)
Correct Answer: A,B,C
Under the scenario of Huawei Smart PV PLC communication network, there is no need to separately lay RS485 communication cable between Huawei inverter and Smartlogger.
Correct Answer: B
Huawei Smart Sub-array Controller SmartACU2000B supports installation methods are () (Multiple choice)
Correct Answer: A,C,D
When Huawei SUN2000 inverter adopts RS485 communication mode, the device has two RS485 interfaces: IN and OUT. These two interfaces can be used interchangeably.
Correct Answer: B
Huawei SUN2000 inverter has no fuses and no internal fan for easy maintenance and improved service life.
Correct Answer: A
Huawei SmartLogger cannot find Huawei PID module when debugging, what is the possible reason? (Multiple choice)
Correct Answer: A,B,C,D
In the Huawei SmartLogger WEBUI device monitoring display interface, when the indicator light in front of the device name is displayed in blue, it indicates ____.
Correct Answer: B
Huawei's SUN2000 inverter communicates by PLC mode when the baud rate defaults to ().
Correct Answer: B