This article will provide ongoing updates with any mass firmware releases with fixes, it will list the latest firmware from top to bottom.
AC coupled (D535-A535) - 12/05/2022
1. Resolves an issue with battery reserve not holding its set percentage.
2. Solves an issue in some abnormal PV readings.
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AC coupled (D533-A534) - 20/10/2021
1.Fixed a communication error in the battery reporting data
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AC coupled (D533-A533) - 21/06/2021
1.Increase parallel machine function
2.Increase the amount of charge a battery can charge or discharge
3.Optimized battery cell temperature display (previously displayed as 0 for negative numbers)
4.Adds an impedance alarm
5.Optimized when the inverter is not communicating with the battery, the cell data, which was previously displayed as the last data online, is now displayed as 0
6.5S adjustment function
7.Optimized the abnormal problem of PV generating capacity uploading when three electricity meters are enabled
8.Optimized the problem of abnormal display when the load power is greater than 6000W
9.Remove early morning auto restart feature
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AC coupled (D532-A532) - 16/12/2020
1. Version d532-A532 has not been modified
2. Optimize the operation logic of multiple AC Couple grid-connected parallel connection
3. Remove SOC control charging power logic
4. reserved remote restart BMS function (This function can only be used with version BMS1037 or above）
5. reserved the judgment of whether BMS is inserted like U disk (This function can only be used with version BMS1037 or above）
6. Optimize PV free at night, AC Couple shows PV power problem
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AC Coupled (D531-A531) - 10/11/2020
1.The overvoltage value of charging was modified from 57.2V to 58.5V.
2.The undervoltage value of discharge was modified from 45V to 43.2V.
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Article ID: 23
Created: December 15, 2020
Last Updated: December 30, 2022
Author: Adam Reynolds
Online URL: https://kb.givenergy.cloud/article.php?id=23