Wiki source code of BMS Main 2.1
Last modified by Admin on 2026/09/04 02:52
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| author | version | line-number | content |
|---|---|---|---|
| 1 | (% class="box infomessage" %) | ||
| 2 | ((( | ||
| 3 | BMS Main 2.1 firmware update procedure is described [[here>>doc:Battery management systems.BMS Main 2\.1.4\. Firmware update.WebHome]]. | ||
| 4 | ))) | ||
| 5 | |||
| 6 | = v1.70.7 = | ||
| 7 | |||
| 8 | [[BMS_Main_2.1_v1.70.7.srec>>FileManager.BMS_Main_2\.1_v1\.70\.7\.srec]] | ||
| 9 | |||
| 10 | == Fixes == | ||
| 11 | |||
| 12 | * resolving the problem of device stability when reading/writing large amounts of data using the Modbus protocol | ||
| 13 | * resolving the problem of generating the "General error" signal | ||
| 14 | |||
| 15 | = v1.70.6 = | ||
| 16 | |||
| 17 | [[BMS_Main_2.1_v1.70.6.srec>>FileManager.BMS_Main_2\.1_v1\.70\.6\.srec]] | ||
| 18 | |||
| 19 | == Improvements == | ||
| 20 | |||
| 21 | * support for 32-bit BMS Logic serial numbers | ||
| 22 | * increasing the stability of the BMS Wi-Fi v2 driver | ||
| 23 | |||
| 24 | == Fixes == | ||
| 25 | |||
| 26 | * resolving the problem of charge, discharge, and charge/discharge contactors closing when the "Precharge request" signal is set | ||
| 27 | * synchronization of the precharge procedure with the charge/discharge algorithms, so that precharge is stopped if charging and discharging are prohibited | ||
| 28 | * resolving the stability problem when the SD card is full | ||
| 29 | * small fixes in current maps | ||
| 30 | |||
| 31 | = v1.70.5 = | ||
| 32 | |||
| 33 | [[BMS_Main_2.1_v1.70.5.srec>>FileManager.BMS_Main_2\.1_v1\.70\.5\.srec]] | ||
| 34 | |||
| 35 | == Fixes == | ||
| 36 | |||
| 37 | * resolving the issue of Ethernet packet retransmission | ||
| 38 | |||
| 39 | = v1.70.4 = | ||
| 40 | |||
| 41 | [[BMS_Main_2.1_v1.70.4.srec>>FileManager.BMS_Main_2\.1_v1\.70\.4\.srec]] | ||
| 42 | |||
| 43 | == Improvements == | ||
| 44 | |||
| 45 | * new flags for generating the "Ready to charge" and "Ready to discharge" signals using the actual cell voltage instead of the calculated open circuit voltage (see the "Cells - Charging control" and "Cells - Discharging control" sections) | ||
| 46 | |||
| 47 | == Fixes == | ||
| 48 | |||
| 49 | * resolving the issue of rebooting the device if formatting the SD card is activated | ||
| 50 | |||
| 51 | = v1.70.3 = | ||
| 52 | |||
| 53 | [[BMS_Main_2.1_v1.70.3.srec>>FileManager.BMS_Main_2\.1_v1\.70\.3\.srec]] | ||
| 54 | |||
| 55 | == Improvements == | ||
| 56 | |||
| 57 | * new flags that force the precharge process to finish if the battery current is negative (in case the battery will be charging) or positive (in case the battery will be discharging); see the "Cells - Charging control" and "Cells - Discharging control" sections | ||
| 58 | * 30 second delay when remounting SD card after detecting mount error | ||
| 59 | * new flag to prevent the "HYG offline" error from occurring if the "Charger connected" signal is set (see the "External equipment - HYG Class I-III truck" section) | ||
| 60 | * new flag that controls whether to wait for confirmation from the HYG truck or not, to allow the battery to be charged (see the "External equipment - HYG Class I-III truck" section) | ||
| 61 | |||
| 62 | = v1.70.2 = | ||
| 63 | |||
| 64 | [[BMS_Main_2.1_v1.70.2.srec>>FileManager.BMS_Main_2\.1_v1\.70\.2\.srec]] | ||
| 65 | |||
| 66 | == Improvements == | ||
| 67 | |||
| 68 | * new parameter setting a delay before measuring battery current during precharge (see the "Cells - Discharging control" section) | ||
| 69 | * new counter of retry attempts showing the communication problems with BMS Logic devices (see the "Logic/Cell - Overview" section) | ||
| 70 | * new flag to keep the precharging contactor closed until the precharging process is finished (in this case the "Precharge error" will not occur; see the "Cells - Discharging control" section) | ||
| 71 | * new flags that force only positive and negative currents to be used to determine open circuit voltages to control the "Ready to charge" and "Ready to discharge" signals respectively | ||
| 72 | |||
| 73 | == Fixes == | ||
| 74 | |||
| 75 | * resolving the issue of not being able to send log files to a remove FTP server due to a change in the file name format (v1.70.0) | ||
| 76 | * increased number of retries when sending commands to BMS Logic devices, which reduces the number of false offline event detections | ||
| 77 | |||
| 78 | = v1.70.1 = | ||
| 79 | |||
| 80 | [[BMS_Main_2.1_v1.70.1.srec>>FileManager.BMS_Main_2\.1_v1\.70\.1\.srec]] | ||
| 81 | |||
| 82 | == Improvements == | ||
| 83 | |||
| 84 | * new assignments "Low SOC" and "High charging current" for relays | ||
| 85 | |||
| 86 | == Fixes == | ||
| 87 | |||
| 88 | * resolving the issue of ill-considered reduction of the battery SOC level when the cell voltage is close to the level corresponding to SOC=0% (due to the flow of a large discharge current leading to the high voltage drop on the cells) | ||
| 89 | |||
| 90 | = v1.70.0 = | ||
| 91 | |||
| 92 | [[BMS_Main_2.1_v1.70.0.srec>>FileManager.BMS_Main_2\.1_v1\.70\.0\.srec]] | ||
| 93 | |||
| 94 | == Features == | ||
| 95 | |||
| 96 | * new parameters allowing to set different delays for battery discharge mode to detect the overcurrent error (see the "Protections - Overcurrent protection" section) | ||
| 97 | * new flag that sets whether the BMS should wait for confirmation messages from the Combilift truck to start charging or not (see the "External equipment - Combilift truck" section) | ||
| 98 | |||
| 99 | == Fixes == | ||
| 100 | |||
| 101 | * optimization of the logging process, minimizing the time to open the next log file if the current one is full | ||
| 102 | |||
| 103 | = v1.69.1 = | ||
| 104 | |||
| 105 | [[BMS_Main_2.1_v1.69.1.srec>>FileManager.BMS_Main_2\.1_v1\.69\.1\.srec]] | ||
| 106 | |||
| 107 | == Fixes == | ||
| 108 | |||
| 109 | * check the HYG and Combilift confirmation flags only if the truck offline error is not set | ||
| 110 | * small internal fixes | ||
| 111 | |||
| 112 | = v1.69.0 = | ||
| 113 | |||
| 114 | [[BMS_Main_2.1_v1.69.0.srec>>FileManager.BMS_Main_2\.1_v1\.69\.0\.srec]] | ||
| 115 | |||
| 116 | == Features == | ||
| 117 | |||
| 118 | * new parameter for setting the condition for starting balancing: automatically (regardless of the command) or on the balancing request (see the "Cells - Cell balancing" section) | ||
| 119 | * new option to start balancing if the cell voltage exceeds the "Voltage for forced balancing" value (see the "Cells - Cell balancing" section) | ||
| 120 | * new assignment "Balancing request" for the discrete inputs (see the "Signals - Input signals" section) | ||
| 121 | * new Max-Min algorithm for calculating the final battery SOC in the "Cells - SOC estimation" section | ||
| 122 | * new algorithms "Automatic" and "On command" for the main contactor (see the "Cells - Main contactor" section) | ||
| 123 | * new assignment "Close Main contactor" for the discrete inputs to close the main contactor by a command | ||
| 124 | * new assignment "Close External 1" for the discrete inputs (see the "Signals - Input signals" section) | ||
| 125 | * new assignment "External 1" for the discrete outputs and relays (see the "Signals - Output signals" section). The "External 1" output is directly controlled by the "Close External 1" command. | ||
| 126 | * new "Precharge error" flag that is set when precharging cannot be completed | ||
| 127 | * new flags in the "Protections - Undervoltage protection" and "Protections - Overvoltage protection" sections which allow using the calculated open circuit cell voltage instead of the actual voltage to detect the "Undervoltage" and "Overvoltage" errors, respectively | ||
| 128 | * ability to check the "Ready to charge" and "Ready to discharge" signals to control the charging and discharging contactors (see the "Cells - Charging control" and "Cells - Discharging control" sections) | ||
| 129 | |||
| 130 | == Improvements == | ||
| 131 | |||
| 132 | * ignoring the "Need acknowledge" flag when generating Modbus input register 0x2128 ("Error") | ||
| 133 | * explicit flags to enable the use of the charging current limit for fast and/or normal charging when using the CCS Fast charge controller (see the "External equipment - CCS Fast charge controller" section) | ||
| 134 | * improving resistance calculation | ||
| 135 | |||
| 136 | == Fixes == | ||
| 137 | |||
| 138 | * resolving the issue where the "Need acknowledge" signal is not set if any of the device errors are not acknowledged in the error journal | ||
| 139 | * using the calculated open circuit voltage to set/clear the "Ready to charge" and "Ready to discharge" signals | ||
| 140 | |||
| 141 | = v1.68.0 = | ||
| 142 | |||
| 143 | [[BMS_Main_2.1_v1.68.0.srec>>FileManager.BMS_Main_2\.1_v1\.68\.0\.srec]] | ||
| 144 | |||
| 145 | == Features == | ||
| 146 | |||
| 147 | - support for charge/discharge cycling using XD Discharger (see the sections "External equipment - Battery cycling" and "External equipment - XD Discharger (cycling)") | ||
| 148 | |||
| 149 | = v1.67.0 = | ||
| 150 | |||
| 151 | [[BMS_Main_2.1_v1.67.0.srec>>FileManager.BMS_Main_2\.1_v1\.67\.0\.srec]] | ||
| 152 | |||
| 153 | == Features == | ||
| 154 | |||
| 155 | * new additional heater controller (see the "Protections - Heater (AUX) control" section), which generates the "Heater (AUX)" signal, which can be assigned to a discrete output or relay | ||
| 156 | |||
| 157 | == Improvements == | ||
| 158 | |||
| 159 | * new balancing strategy that attempts to keep the temperature of BMS Logic devices below a set value by discharging cells with higher voltages first than others (see the "Cells - Cell balancing" section) | ||
| 160 | |||
| 161 | = v1.66.1 = | ||
| 162 | |||
| 163 | [[BMS_Main_2.1_v1.66.1.srec>>FileManager.BMS_Main_2\.1_v1\.66\.1\.srec]] | ||
| 164 | |||
| 165 | == Improvements == | ||
| 166 | |||
| 167 | * closing all TCP connections over Ethernet if the interface link is down | ||
| 168 | |||
| 169 | = v1.66.0 = | ||
| 170 | |||
| 171 | [[BMS_Main_2.1_v1.66.0.srec>>FileManager.BMS_Main_2\.1_v1\.66\.0\.srec]] | ||
| 172 | |||
| 173 | == Features == | ||
| 174 | |||
| 175 | * support for the insulation monitoring device BMS IMD (see the section "External equipment - BMS IMD device") | ||
| 176 | |||
| 177 | == Improvements == | ||
| 178 | |||
| 179 | * new parameters for switching off the Discharging (AUX) relay when the cell voltage is too low (see the "Cells - Discharging (AUX) control" section) |