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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. In the photovoltaic power plant system with complementary fishing lights, the DC cable may damage 1000V high-voltage direct current into the water, which seriously endangers the life safety of personnel. Huawei SUN2000 inverter should pay attention to the safety of the whole system when installing wiring.

A) True
B) False

2. Things to be aware of when the device uses RS485 communication networking (). (Multiple Choice)

A) Communication cables should avoid interference sources during wiring
B) The distance of the line should not exceed 1000 meters
C) When wiring, separate the communication line from the power line
D) It is recommended to use outdoor shielded twisted pair cable for communication cable.

3. Which of the following about the description of Huawei SmartLogger accessing third-party devices is correct? (Multiple Choice)

A) Custom devices support automatic search, no need to manually add
B) Custom devices do not support automatic search and need to be added manually
C) Access to third-party devices that support the standard Modbus-RTU protocol
D) Because the agreement information points of each manufacturer are inconsistent, you need to configure the communication point table file.

4. The highest DC input voltage of Huawei SUN2000-33KTL is ()V and the highest DC input voltage of SUN2000-36KTL is ()V.

A) 1100, 1100
B) 1000, 1000
C) 1100, 1000
D) 1000, 1100

5. When the debugging of the Huawei PLC communication network is started, which of the operation description of setting the anti-crosstalk is correct? (Multiple Choice)

A) Log in to the SmartLogger WEBUI interface to enable the PLC CCO module operating parameters anti-crosstalk.
B) Log in the SmartLogger WEBUI interface and import the produced .csv file into the PLC CCO module.
C) Need to collect the ESN number of each square inverter through the SUN2000 APP and generate a .csv file.
D) Log in to the SmartLogger WEBUI interface to check whether the PLC networking is normal. After the normal operation, start the inverter automatic search.

Solutions: