User Guide for EG4 ELECTRONICS models including: LV6548 Battery Voltage Calibration SOP, LV6548, Battery Voltage Calibration SOP, Voltage Calibration SOP, Calibration SOP, SOP

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Battery Voltage Calibration (LV6548 8048MAX)

https://watts247.com/manuals/mpp/Tools/OutputCalibration/Battery Voltage Calibration (LV6548 8048MAX)

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Battery Voltage Calibration SOP
Prepare:
- Communication Tool download - RS232-USB cable - PC - Inverter
Calibrate the battery voltage:
1. Connect the power supply (55.5V/5A) to Inverter's battery positive and negative connectors.
2. Turn on the Inverter which will working in battery mode.
3. Double click "CommunicateTool" to start communication tool.

4. Connect RS232 to USB cable. The window appears COM port and click "use CRC" as below. 5. Send command "BTA0", the Inverter returns (ACK. 6. Adjust the power supply to 55.5V and send command "BTA1055.50", the Inverter returns (ACK.

7. Adjust the power supply to 46V and send command "BTA2046.00", the Inverter returns (ACK.
8. Change Power supply's voltage. Send command "QPIGS", compare the return's value and actual battery's voltage are equal.