[Closed] Previous Changes

V3.39

3/19/2024

• Further optimization of MOS fault detection logic under specific current conditions.

V3.38

3/8/2024

• Optimize judgment condition for MOS fault detection.
• Modify MOS fault detection to use current values during disconnection.

V3.37

11/23/2023

• Remove PCS communication policy for host battery identification.
• Change hardware current limiting mode.
• Improve multiple battery parallel charging process.

V3.36

11/8/2023

• Further optimize charging and discharging strategies.
• Enhance short circuit and overcurrent fault handling.
• Add parallel battery data code for host broadcast.
• Introduce hardware current limiting policy adjustment.

V3.35

10/15/2023

• Optimize MOS fault bugs triggered by battery over-current protection.
• Add circulation discharge overcurrent and charging short circuit fault reporting.
• Enhance handling for parallel batteries with high-voltage packs.

V3.34

10/13/2023

• Add MOS fault alarm code and prohibit automatic restart for maintenance.
• Add buzzer alarm function for maintenance failures.
• Optimize charging and discharging strategies, including short-circuit precharging.

V3.33

10/10/2023

• Optimize handling strategy for charging short circuit faults.
• Add new charging short-circuit fault signal reporting.

V3.32

9/9/2023

• Update charging and discharging current reporting.
• Adjust monthly PCS agreement adaptation.
• Support upper computer configuration for current limiting.

V3.31

8/7/2023

• Request the total charging voltage to be changed to 57.6V.

V3.30

8/4/2023

• Change discharge over-current locking to 1 time to prevent battery issues.
• Adjust alarm and protection thresholds.
• Add new charging and downflow software strategy for parallel batteries.
• Optimize Schneider inverter charging strategy and update SOC calibration parameters.

V3.26

7/14/2023

• Optimize the charging and discharging strategy of the inverter for battery packs.
• Change charging voltage from 56.4V to 58.4V.
• Enhance charging prohibition strategy and SOC calibration strategy.

V3.24

6/25/2023

• Add support for the new version of the Maghren protocol, supporting the policy of prohibiting charging and releasing, and compatibility with previous versions.
• Optimize SOC fill and vent strategy and support SOC calibration under specific conditions.
• Optimize SOH calculation for wear rate, supporting SOH attenuation to 80% after more than 5000 cycles.

V3.21

2/13/2023

• The charging voltage of the inverter has been modified from 58V to 56.4V.

V3.20

12/22/2022

• The zero-drift uncalibrated current has been modified from 2A to 3A.
• Add the Paineng 485 inverter protocol.
• Add the 485 protocol for the Sun Moon Yuan inverter.
• Add the LuxPower inverter 485 protocol.
• Add EG4 LL V2 battery master-slave communication protocol and change the Baud of internal networking from 9600 bps to 19200 bps.
• Set strong charging flag for individual voltage under-voltage or total voltage under-voltage protection.
• Add an inverter protocol interface for upper computer selection.

V3.17

9/3/2022

• Add charging short circuit interrupt filtering function, and only report over-current protection after 10 consecutive interrupts.
• Increase the number of charging short-circuit interruptions and MOS status in historical records.
• Modify the Schneider inverter communication protocol to master-slave mode.

V3.15

8/5/2022

• Shield heating function.
• Add tooling Short-circuit test function.

V3.14

8/3/2022

• Change the short-circuit and precharging logic to enhance the precharging capability.
• Add Blue Sun inverter protocol.
• Add Schneider inverter protocol.

V3.10

3/2/2022

• Add the communication protocol for the SMK inverter of the SMANCO.

V3.7

1/7/2022

• Modify the charging over-current protection locking logic.
• Optimize the main MOS temperature and current limiting MOS temperature reporting logic.
• Optimize the charging and discharging MOS closing time to quickly close when the current is greater than 5A.

V3.6

11/5/2021

• Change the precharging small board control timing.
• Change the short circuit protection release delay to 5 seconds.
• Change the SOC forced calibration to 0 under voltage protection.

V3.5

9/18/2021

• Change the current capacity processing error of the SOC module.

V3.4

9/8/2021

• At the request of the customer, modify the display order of the SOC indicator lights to increase from left to right.

V3.3

8/18/2021

• Modify the short circuit and precharge control logic to restore it to the first shipment status.
• Modify the total pressure collection conditions.

V3.2

8/12/2021

• Increase total pressure collection DEBUG control.
• Add pre-charging relay DEBUG control.

V3.1

8/11/2021

• First version firmware.