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The COMMBOX

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Chap 2 - Quiz

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1. What is the main purpose of the COMMBOX architecture?
Generating electrical energy Converting alternating current into direct current Ensuring reliable data exchange and stable communications Powering lithium batteries
2. What part of the COMMBOX includes the CAN, RS485 and DCIN inputs?
The upper part The front part The lower part The side parts
3. Which protocol is mainly used for communication between the COMMBOX, the BMS and the UPS?
Modbus TCP CAN Bluetooth USB
4. What is the main function of the DCIN 51.2V port?
Ensure RS485 communication Synchronize the batteries Manage system alarms Power the COMMBOX
5. What is the major advantage of the CAN protocol?
Fast, stable and reliable communication Higher energy production An increase in the capacity of batteries Reduced system voltage
6. What is the ingress protection rating of the RJ45 connectors of the COMMBOX?
IP20 IP44 IP54 IP65
7. How many independent battery channels does the COMMBOX have?
2 channels 4 channels 6 channels 8 channels
8. What does the "6" rating mean in the IP65 standard?
Protection against electric shock Protection against high temperatures Total protection against dust Protection against UV rays
9. What is the supply voltage range of the COMMBOX?
36 V DC to 60 V DC 12 V DC to 24 V DC 110 V AC to 220 V AC 24 V DC to 48 V DC
10. Which pin is used for the CAN-H signal in the CAN configuration?
Pin 1 Pin 2 Pin 4 Pin 8