Wiki source code of BMS Mini S / BMS Mini
Last modified by Admin on 2025/11/10 08:12
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| author | version | line-number | content |
|---|---|---|---|
| 1 | (% class="box infomessage" %) | ||
| 2 | ((( | ||
| 3 | BMS Mini S / BMS Mini firmware update procedure is described [[here>>doc:Battery management systems.BMS Mini S.5\. Firmware update.WebHome]]. | ||
| 4 | ))) | ||
| 5 | |||
| 6 | = v1.8.0 = | ||
| 7 | |||
| 8 | [[BMS_Mini_v1.8.0.srec>>FileManager.BMS_Mini_v1\.8\.0\.srec]] | ||
| 9 | |||
| 10 | == Features == | ||
| 11 | |||
| 12 | * new protection for detecting battery cell imbalance (see the "Protections - Cell imbalance" section) | ||
| 13 | * new protection checking that the number of cell temperature sensors is equal to the specified value. If this is not the case, the "T-sensor count error" is generated (see the "Protections - Temperature sensor count" section) | ||
| 14 | * new internal protection that checks for overheating of MOSFETs and generates the "MOSFET error" (see the "Protections - MOSFET" section) | ||
| 15 | * new internal protection that checks for power failures in the device and generates the "Power fault" error | ||
| 16 | * new error "Main X offline" which is generated when the connection with BMS Main X is lost | ||
| 17 | * detection of loss of wire connection to battery cells | ||
| 18 | |||
| 19 | == Improvements == | ||
| 20 | |||
| 21 | * new parameters that control setting/clearing the "Ready to charge" and "Ready to discharge" signals based on the charge and/or discharge current limits (see the "Control - Charging status" and "Control - Discharging status" sections) | ||
| 22 | * new parameters to ignore the specified errors when setting the critical error (see the "Protections - Critical error" section) | ||
| 23 | * expansion of the list of parameters that are reset to default values when the device is powered on while holding the button on the board. The following parameters are affected: all CAN settings; all RS-485 (Modbus) settings; LAN settings: IP mode, IP address, Netmask, Gateway address | ||
| 24 | * improved stability of the BMS Wi-Fi V2 driver | ||
| 25 | * improved stability of the BMS GSM driver | ||
| 26 | |||
| 27 | == Fixes == | ||
| 28 | |||
| 29 | * synchronization of the precharge procedure with the charge/discharge algorithms, so that precharge is stopped if charging and discharging are prohibited | ||
| 30 | * resolving the problem of communication with the DC EV supply equipment | ||
| 31 | |||
| 32 | = v1.7.0 = | ||
| 33 | |||
| 34 | [[BMS_Mini_v1.7.0.srec>>FileManager.BMS_Mini_v1\.7\.0\.srec]] | ||
| 35 | |||
| 36 | == Features == | ||
| 37 | |||
| 38 | * support for DC EV supply equipment according to IEC 61851-25 standard | ||
| 39 | |||
| 40 | == Improvements == | ||
| 41 | |||
| 42 | * 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 "Control - Charging status" and "Control - Discharging status" sections) | ||
| 43 | * 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 | ||
| 44 | * new parameter setting a delay before measuring battery current during precharge (see the "Control - Precharge" section) | ||
| 45 | * new flag to keep the precharging contactor closed until the precharging process is finished (in this case the "Precharge error" will not occur except for the one caused by high power; see the "Control - Precharge" section) | ||
| 46 | * new flag to prevent the "HYG offline" error from occurring if the "Charger connected" signal is set (see the "External equipment - Trucks and Vehicles - HYG Class I-III truck" section) | ||
| 47 | * 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 - Trucks and Vehicles - HYG Class I-III truck" section) | ||
| 48 | * new flag that controls whether to wait for confirmation from the Combilift truck or not, to allow the battery to be charged (see the "External equipment - Trucks and Vehicles - Combilift truck" section) | ||
| 49 | * 30 second delay when remounting SD card after detecting mount error | ||
| 50 | * new types of temperature sensors: NTC 100k B25/50=4250K and NTC 10k B25/50=3380K (see the "Signals - Temperature sensors" section) | ||
| 51 | |||
| 52 | = v1.6.2 = | ||
| 53 | |||
| 54 | [[BMS_Mini_v1.6.2.srec>>FileManager.BMS_Mini_v1\.6\.2\.srec]] | ||
| 55 | |||
| 56 | == Improvements == | ||
| 57 | |||
| 58 | * new parameter for setting the type of network to which the BMS GSM communication module connects (see the "Connectivity - Cellular" section) | ||
| 59 | * ignoring the "Need acknowledge" flag when generating Modbus input register 0x2128 ("Error") | ||
| 60 | |||
| 61 | == Fixes == | ||
| 62 | |||
| 63 | * 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) | ||
| 64 | |||
| 65 | = v1.6.1 = | ||
| 66 | |||
| 67 | [[BMS_Mini_v1.6.1.srec>>FileManager.BMS_Mini_v1\.6\.1\.srec]] | ||
| 68 | |||
| 69 | == Improvements == | ||
| 70 | |||
| 71 | * ability to exclude errors from being saved in the error journal (see the "Service - Errors journal" section) | ||
| 72 | * extension of the CANopen dictionary to provide additional information for the BMS Display (device serial number, battery serial number, IP address in Wi-Fi network, etc.) | ||
| 73 | |||
| 74 | == Fixes == | ||
| 75 | |||
| 76 | * small internal fixes | ||
| 77 | |||
| 78 | = v1.6.0 = | ||
| 79 | |||
| 80 | (% class="wikigeneratedid" %) | ||
| 81 | [[BMS_Mini_v1.6.0.srec>>FileManager.BMS_Mini_v1\.6\.0\.srec]] | ||
| 82 | |||
| 83 | == Features == | ||
| 84 | |||
| 85 | * new parameter for setting the condition for starting balancing: automatically (regardless of the command) or on the balancing request (see the "Control - Cell balancing" section) | ||
| 86 | * new option to start balancing if the cell voltage exceeds the "Voltage for forced balancing" value (see the "Control - Cell balancing" section) | ||
| 87 | * new Max-Min algorithm for calculating the final battery SOC in the "Control - SOC estimation" section | ||
| 88 | * new flags in the "Protections - Undervoltage" and "Protections - Overvoltage" sections which allow using the calculated open circuit cell voltage instead of the actual voltage to detect the "Undervoltage" and "Overvoltage" errors, respectively | ||
| 89 | * ability to check the "Ready to charge" and "Ready to discharge" signals to control the charging and discharging contactors (see the "Control - Charge" and "Control - Discharge" sections) | ||
| 90 | * improved control of the precharging contactor, which can precharge capacitive load using multiple attempts and detect high power dissipated in the precharge resistor (see the "Control - Precharge" section) | ||
| 91 | * ability to select errors that the device saves in the errors journal (see the "Service - Errors journal" section) | ||
| 92 | * new parameter that limits the number of battery cycles; when the number of battery cycles exceeds the limit, the BMS cannot close the charging and discharging contactors (see the "Service" section, log in under the service account) | ||
| 93 | |||
| 94 | == Improvements == | ||
| 95 | |||
| 96 | * placing the device input signals to the "Battery" section and adding raw discrete inputs to the "Signals" section | ||
| 97 | |||
| 98 | == Fixes == | ||
| 99 | |||
| 100 | * using the calculated open circuit voltage to set/clear the "Ready to charge" and "Ready to discharge" signals | ||
| 101 | * resolving the problem of incorrect software signal addresses in the Modbus holding register table | ||
| 102 | |||
| 103 | = v1.5.1 = | ||
| 104 | |||
| 105 | [[BMS_Mini_v1.5.1.srec>>FileManager.BMS_Mini_v1\.5\.1\.srec]] | ||
| 106 | |||
| 107 | == Fixes == | ||
| 108 | |||
| 109 | * resolving the problem of saving device parameters | ||
| 110 | |||
| 111 | = v1.5.0 = | ||
| 112 | |||
| 113 | [[BMS_Mini_v1.5.0.srec>>FileManager.BMS_Mini_v1\.5\.0\.srec]] | ||
| 114 | |||
| 115 | == Features == | ||
| 116 | |||
| 117 | |||
| 118 | * new guest access to the device (password "guest") | ||
| 119 | * new algorithms in the Charging/Discharging controller that allow to control the Charging/Discharging contactor independently from the Charging and Discharging signals (see the "Control - Charge/Discharge" section). The new "Independent" algorithms are preferred in the battery systems with one contactor | ||
| 120 | * selection of errors that cause reset of contactor control signals (see the "Control - Main contactor", "Control - Charge", "Control - Discharge", "Control - Charge/Discharge", "Control - Discharge (AUX)", "Control - Heater", "Control - Cooler", "Protections - General error", "Control - Charging status", "Control - Discharging status" sections) | ||
| 121 | * new "Current limit error" which is set if the battery current exceeds the charging or discharging current limits (see the "Protections - Charge current limit" and "Protections - Discharge current limit" sections) | ||
| 122 | * clearing the Discharging (AUX) signal if the cell voltage is too low (see the "Control - Discharge (AUX)" section) | ||
| 123 | * new assignments "Interlock" "Fuse 1", "Fuse 2", "Fuse 3", "Circuit breaker status", "Balancing request", "Close Main contactor", "Close External 1" for the discrete inputs (see the "Signals - Input discrete signals - Assignments" section) | ||
| 124 | * new assignments "Low SOC", "High charging current", "Charging current present", "Discharging current present", "Power down ACK", "Ready to charge", "Ready to discharge", "General error", "External 1" for the discrete outputs and MOSFETs (see the "Signals - Output discrete signals - Assignments" and "Signals - MOSFETs - Assignments" sections). The "External 1" output is directly controlled by the "Close External 1" command | ||
| 125 | * new "Need acknowledge" warning signal that is set when a new record is created in the errors journal. The signal can be cleared in the "Service - Errors journal" section | ||
| 126 | * support for the ASTOM load bank | ||
| 127 | * support for the Bender iso165C device | ||
| 128 | * support for the BMS IMD device | ||
| 129 | * support for the BMS LANmodule adapter for connecting to a local network, which allows to configure the device using the ElectricDeviceMonitor software and monitor the battery system via the Modbus TCP protocol | ||
| 130 | |||
| 131 | == Improvements == | ||
| 132 | |||
| 133 | |||
| 134 | * new balancing strategy that attempts to keep the temperature of the device below a set value by discharging cells with higher voltages first than others (see the "Control - Cell balancing" section) | ||
| 135 | * rearrangements in the settings sections, which are made to simplify the setup process |