Planning for H20-681-ENU HCS-Field-Smart PV Controller (Huawei certified Field specialist-Smart pv Controller) exam? Valid H20-681-ENU HCS-Field-Smart PV Controller Exam Questions have been released on December 10, 2018, which contain real H20-681-ENU exam questions with accurate answers to ensure your success in Huawei H20-681-ENU Exam.

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Please try H20-681-ENU free questions to test the high quality of Valid H20-681-ENU HCS-Field-Smart PV Controller Exam Questions now. There are 20 free questions of the full H20-681-ENU exam questions. After you check all Huawei H20-681-ENU free questions, you will find you want to get the full version of HCS-Field-Smart PV Controller H20-681-ENU exam.

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1. The NetEco1000S is an equipment-level monitoring software for inverters. It is mainly used in SUN2000, SUN8000 and third-party inverters.

True

False

Question 1 of 20

2. The device that cannot be upgraded by the NetEco1000S system for remote software is ()

SmartLogger 1000

SmartLogger 2000

SUN2000 inverter

Environmental monitor

Question 2 of 20

3. Regarding the description of SmartLogger1000 and SmartLogger2000, the error is () (Multiple Choice)

You can connect to SmartLogger via Bluetooth using SUN2000AP

The SmartLogger1000 supports up to 80 inverters, and the SmartLogger2000 supports up to 100 inverters.

Both SmartLogger1000 and SmartLogger2000 support PLC communication and optical fiber ring network

Both SmartL1000 and SmartLogger2000 can access third-party devices using the standard Modbus-RTU protocol.

Question 3 of 20

4. Huawei Smart Array Controller SmartACU2000B is recommended to be larger than () mm from the ground when installing.

200

300

500

600

Question 4 of 20

5. About Huawei's smart photovoltaic solution grounding system design, which of the description is correct? (Multiple Choice)

Grounding flat steel is installed next to the cement column at both ends of each bracket, and all grounding flat steel rings are welded back together after being buried in the ground;

Grounding flat steel coated with anti-rust paint, and annual descaling and painting maintenance;

The inverter ground wire is connected to the component bracket, and the bracket is grounded.

The device is reliably grounded nearby

Question 5 of 20

6. When the debugging of the Huawei PLC communication network is started, which of the following description about the operation to set the anti-crosstalk is correct? (Multiple Choice)

Need to collect the ESN number of each square inverter through the SUN2000 APP and generate a .csv file.

Log in the SmartLogger WEBUI interface and import the produced .csv file into the PLC CCO module.

Log in to the SmartLogger WEBUI interface to be enable the anti-crosstalk of the PLC CCO module operating parameters.

Log in to the SmartLogger WEBUI interface to check whether the PLC networking is normal. After normal, you need to start the inverter automatic search.

Question 6 of 20

7. When installing the AC line of Huawei SUN2000 inverter, it is recommended that the stripping length of the insulation layer be 2mm~3mm longer than the crimping area of ​​the OT terminal cable to facilitate wiring. After pressing the terminal, the crimping line needs to be covered with a heat shrinkable sleeve cutting edge tape.

True

False

Question 7 of 20

8. During the operation of Huawei SUN2000L household inverter, the inverter "DC SWITCH" can be directly turned "OFF" to perform shutdown operation.

True

False

Question 8 of 20

9. Which of the following designs is not suitable for a mountain photovoltaic power station system?

Sub-array capacity adaptation terrain design

Component spacing design is tailored to local conditions, reducing occlusion

The equipment is far away from the box transformer substation and is protected by mountain roads.

Design with height adjustable bracket

Question 9 of 20

10. The Huawei PID module adjusts the PV+ or PV-to-ground voltage of the panel by injecting a voltage between the N-line and the ground of the isolation transformer, thereby suppressing the PID effect of the panel.

True

False

Question 10 of 20

11. The baud rate default is when Huawei's SUN2000 inverter communicates by PLC mode ().

400bps

9600bps

1900bps

115200bps

Question 11 of 20

12. The recommended bottom installation space for the Huawei SUN2000 inverter is ().

600mm ≤ bottom distance ≤ 730mm

600mm ≤ bottom distance ≤ 800mm

600mm ≤ bottom distance ≤ 900mm

730mm ≤ bottom distance ≤ 900mm

Question 12 of 20

13. When the Huawei SUN2000 inverter is alarmed and cannot be connected to the network, the alarm ID is 313-1 (low insulation resistance). Which of the following measures can be taken to troubleshoot or try to solve? (Multiple Choice)

Reduce the insulation resistance protection threshold in the setting

Connect the DC string one by one and try to start troubleshooting the fault string formation.

Use test tool such as a megohm meter to detect the insulation resistance of each string formation one by one.

Check the AC insulation resistance value

Question 13 of 20

14. When the Huawei PID module is applied to the SUN2000 scenario, which of the following description is correct? (Multiple Choice)

SUN2000 inverter must use three-phase three-wire grid-connected

Inverters, AC combiner boxes, AC power distribution cabinets, etc. cannot have N-wire connections.

If the low-voltage side of the grid-connected isolation transformer is a star connection, the N-line can be led out and grounded.

Does not support PV/PE compensation mode

Question 14 of 20

15. Which of the following inverter parameters can be modified by the advanced user login Huawei SUN2000 APP?

Level 2 overvoltage protection point

Level 2 long-term pressure protection point

Level 1 overvoltage protection point

Insulation resistance protection point

Question 15 of 20

16. The adjustable range of Huawei SUN2000 inverter power factor can be ( ).

0.8 lead, 0.8 lag

0.85 lead, 0.85 lag

0.8 lead, 0.85 lag

0.85 lead, 0.8 lag

Question 16 of 20

17. EHS includes three aspects of environment, occupational health and safety. Among them, occupational safety is the most important. Personnel behavior can neglect the impact on the environment and occupational health under the premise of ensuring safety.

True

False

Question 17 of 20

18. The in-out line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts the method of going in and out.

True

False

Question 18 of 20

19. The default value of the RS485 communication address of the Huawei PID module is 1. To modify the RS485 communication address, you can modify it by logging in to the SmartLogger's WEBUI interface.

True

False

Question 19 of 20

20. In the Smartlogger WebUI interface, when the "Active Power Control" parameter is configured as "Enable", the Smartlogger can perform active power control on the managed inverter.

True

False

Question 20 of 20

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