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The COMMBOX

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Chap 1 - Quiz

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1. What is the main role of the COMMBOX in an energy system?
Ensure communication between the batteries and the inverter Generate solar Energy Convert direct current to alternating current Cool the batteries
2. Which communication protocol is mainly used between the COMMBOX and the UPS?
Ethernet Bluetooth CAN Wi-Fi
3. Who is the manufacturer of the COMMBOX?
Victron Energy Enershare Tech Company Limited Schneider Electric Huawei
4. What is the function of the DC IN – 51.2V port?
Connect the batteries in parallel Send alarms to the UPS Ensure CAN communication Power the COMMBOX
5. Which of the following information is transmitted by the COMMBOX?
The state of charge of batteries The temperature of the C cells Security alarms The power of photovoltaic panels
6. Why are several batteries connected in parallel in a system?
To increase the capacity and autonomy of the system To reduce the voltage of the batteries To decrease the number of cables To replace the inverter
7. Which interface allows parallel communication between equipment?
USB Ethernet RS485 HDMI
8. What is the ingress protection associated with the RJ45 interfaces of the COMMBOX?
IP20 IP44 IP54 IP65
9. What is the major advantage of the COMMBOX?
Electrical power generation Simultaneous management of several battery banks Automatic reduction of the grid voltage Replacement of the BMS system
10. Which component protects the housing against pressure fluctuations and humidity?
Power button LED operation Pressure balancing valve CAN interface