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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. The devices that can be configured in the Huawei intelligent sub-array controller include (). (Multiple Choice)

A) SmartLogger
B) Switch
C) PID module
D) Fiber optic terminal box

2. Which of the following baud rate does Huawei's PID module RS485 communication support? (Multiple choice)

A) 4800
B) 115200
C) 9600
D) 2400

3. The Huawei PID module is only used in the isolated grid-connected system, and there is no electrical connection between the AC side and the DC side of the inverter.

A) True
B) False

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

A) The inverter ground wire is connected to the component bracket, and the bracket is grounded.
B) The device is reliably grounded nearby
C) Grounding flat steel is installed next to the cement column at each end of each bracket, and all grounded flat steel rings are welded back together after being buried in the ground;
D) Grounding flat steel coated with anti-rust paint, and annual derusting and painting maintenance;

5. When RS485 communication network, usually how much Ω resistor is added at the first end or end of RS485 communication line to suppress signal interference of the line?

A) 200
B) 120
C) 150
D) 100

Solutions: