問題1
All models of Huawei SUN2000 inverter support PLC communication.
All models of Huawei SUN2000 inverter support PLC communication.
正確答案: A
問題2
The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.
The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.
正確答案: A
問題3
SmartLogger2000 can access up to 80 inverters.
SmartLogger2000 can access up to 80 inverters.
正確答案: A
問題4
eLTE wireless transmission system, the default IP address of the CPE module EG860 is ___.
eLTE wireless transmission system, the default IP address of the CPE module EG860 is ___.
正確答案: B
問題5
The input voltage of the photovoltaic inverter is an alternating voltage.
The input voltage of the photovoltaic inverter is an alternating voltage.
正確答案: A
問題6
What are the quality standards cited by EHS? (Multiple choice)
What are the quality standards cited by EHS? (Multiple choice)
正確答案: C,D
問題7
The following documents belonging to the output document in the project supervision process are (). (Multiple Choice)
The following documents belonging to the output document in the project supervision process are (). (Multiple Choice)
正確答案: B,C,D
問題8
Huawei SmartLogger recommends that the number of inverters connected to each RS485 port is not greater than ().
Huawei SmartLogger recommends that the number of inverters connected to each RS485 port is not greater than ().
正確答案: A
問題9
When the user forgets the IP address set by SmartLogger2000, press the Default button for more than 10s, and the login operation can be performed with the factory default IP address, which is valid within 5 minutes.
When the user forgets the IP address set by SmartLogger2000, press the Default button for more than 10s, and the login operation can be performed with the factory default IP address, which is valid within 5 minutes.
正確答案: B
問題10
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.
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.
正確答案: B
問題11
The default communication baud rate of Huawei PLC CCO module is 115200, which does not support modification.
The default communication baud rate of Huawei PLC CCO module is 115200, which does not support modification.
正確答案: A