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Wiki source code of 4.2 Battery

Version 4.1 by Admin on 2024/12/05 12:54
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2 = Monitoring =
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5 == Battery ==
6
7 Battery parameters are summarized in the "Battery" section:
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9 [[image:1733403002027-572.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="507" width="800"]]
10
11 In this section:
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13 * Voltage – voltage of the battery, V;
14 * Current – current of the battery, A;
15 * Internal resistance – internal resistance of the battery, Ohm;
16 * Main voltage – supply voltage on the BMS, V;
17 * Power switch voltage – supply voltage on the power switches, V;
18 * Board temperature – internal temperature of the BMS, °C;
19 * Board humidity – relative humidity measured by the BMS, %;
20 * Temperature 1, 2 – temperature measured by the external temperature sensors, °C;
21 * Number of Logic devices – number of connected Logic devices;
22 * Logic command rate – number of commands transmitted to Logic devices, com/s;
23 * Minimum Logic temperature – minimum temperature among Logic devices, °C;
24 * # of Logic with minimum temperature – number of Logic with minimum temperature;
25 * Maximum Logic temperature – minimum temperature among Logic devices, °C;
26 * # of Logic with maximum temperature – number of Logic with maximum temperature;
27 * Number of cells – number of connected cells;
28 * Average cell temperature, °C;
29 * Minimum cell temperature, °C;
30 * # of Logic with minimum cell temperature – number of Logic with minimum cell temperature;
31 * # of cell with minimum temperature – number of cell with minimum temperature;
32 * Maximum cell temperature, °C;
33 * # of Logic with maximum cell temperature – number of Logic with maximum cell temperature;
34 * # of cell with maximum temperature – number of cell with maximum temperature;
35 * Minimum cell voltage, V;
36 * # of Logic with minimum cell voltage – number of Logic with minimum voltage;
37 * # of cell with minimum voltage – number of cell with minimum voltage;
38 * Maximum cell voltage, V;
39 * # of Logic with maximum cell voltage – number of Logic with maximum voltage;
40 * # of cell with maximum voltage – number of cell with maximum voltage;
41 * Minimum cell SOC, %;
42 * # of Logic with minimum cell SOC – number of Logic with minimum SOC;
43 * # of cell with minimum SOC – number of cell with minimum SOC;
44 * Maximum cell SOC, %;
45 * # of Logic with maximum cell SOC – number of Logic with maximum SOC;
46 * # of cell with maximum SOC – number of cell with maximum SOC;
47 * Number of balancing cells;
48 * State:
49 ** Discharging ON;
50 ** Discharging OFF;
51 ** Relaxed (after discharging) – battery is in a state of relaxation after discharging;
52 ** Charing ON;
53 ** Charging OFF;
54 ** Relaxed (after charging) – battery is in a state of relaxation after charging;
55 * Duration – duration of the battery in the "State" state, s;
56 * SOC – state of charge of the battery, %;
57 * DOD – depth of discharge of the battery, %;
58 * SOH – state of health of the battery, %;
59 * Balancing efficiency – balancing efficiency of the battery, %;
60 * Effective capacity, А×h;
61 * Instant capacity – instantaneous value of the effective capacity (used to calculate the SOC), А×h;
62 * Coulomb counter + – charge received by the battery from the charger, А×h;
63 * Coulomb counter - – charge transferred to the battery load, А×h;
64 * Charge current limit – maximum allowed charge current of the battery, A;
65 * Discharge current limit – maximum allowed discharge current of the battery, A;
66 * High voltage 1 – voltage before the contactors, V;
67 * High voltage 2 – voltage after the contactors, V;
68 * Work charge+ - amount of charge received from charger (positive direction) since device startup, Ah;
69 * Work charge- - amount of charge transmitted to the load (negative direction) since device startup, Ah;
70 * Work energy+ - amount of energy received from charger (positive direction) since device startup, Wh;
71 * Work energy- - amount of energy transmitted to the load (negative direction) since device startup, Wh;
72 * Total energy+ - total energy received by the battery modules from the charger and during recuperation, Wh;
73 * Total energy- - total energy spent by the battery modules on the load, Wh;
74 * Total balanced energy – total energy dissipated by the battery modules on balancing resistors, Wh;
75 * Internal signals – device internal signals:
76 ** Low SOC – a signal indicating the discharged battery;
77 ** High charging current;
78 ** Charging – state of the charging contactor;
79 ** Allow charging signal – signal allowing the operation of the charger;
80 ** Charging current present – charging current is detected;
81 ** Discharging – state of the discharging contactor;
82 ** Discharging current present – discharging current is detected;
83 ** Voltage is too high for charging;
84 ** Heater – signal to turn on heater;
85 ** Cooler – signal to turn on cooler;
86 ** Shutdown request (HYG/Spirit) – request to open the discharging contactor received from the HYG forklift;
87 ** Init – initialization of the device (calibration of the current sensor and searching BMS Logic devices);
88 ** Precharging – state of the precharging contactor;
89 ** Shutdown request (Combilift) – request to open the discharging contactor received from the Combilift forklift;
90 ** Cell analysis – operation of the algorithm for determining the discharge characteristics;
91 ** Balancing 1 – balancing the first series of cells;
92 ** Balancing 2 – balancing the second series of cells;
93 ** Discharging (AUX) – state of the discharging (AUX) contactor (powering of external equipment is on);
94 ** Power down ACK – signal to acknowledge powering down the battery system;
95 ** Crown EWS – signal sent to the Crown truck before opening the discharging contactor;
96 ** Main contactor – state of the main contactor;
97 ** Service reset;
98 ** Charging/Discharging – state of the charging/discharging contactor;
99 ** Ready to charge – the battery is ready to charge;
100 ** Ready to discharge – the battery is ready to discharge;
101 ** Power up – system power status;
102 * Errors 1 – errors of the battery 1:
103 ** Overcurrent;
104 ** Undervoltage;
105 ** Overvoltage;
106 ** Low temperature (DCH) – temperature is too low for discharging;
107 ** High temperature (DCH) – temperature is too high for discharging;
108 ** Battery cover error – battery cover is open;
109 ** High humidity – humidity of the battery is increased;
110 ** Water – there is water in the battery enclosure;
111 ** High Logic temperature – at least one of the Logic devices is overheated;
112 ** Logic offline – at least one of the Logic devices is offline;
113 ** Critical error;
114 ** Crown error – connection with a Crown forklift is lost;
115 ** Cell count error – number of cells does not match the specified value;
116 ** HYG offline – connection with a HYG forklift is lost;
117 ** Combilift offline – connection with a Combilift forklift is lost;
118 ** Short circuit;
119 ** High contactor temperature;
120 ** ADC error – current cannot be measured;
121 ** Current sensor error – error in the current sensor circuit;
122 ** CH contactor cycles error – switching frequency of the charging contactor is too high;
123 ** DCH contactor cycles error – switching frequency of the discharging contactor is too high;
124 ** Shunt offline – connection with the shunt current sensor is lost;
125 ** Shunt error – internal error of the shunt current sensor;
126 ** WDT reset – watchdog timer reset the device;
127 ** No temperature sensors – the device has no temperature sensors connected;
128 ** Temperature sensor is shorted – some temperature sensors are shorted;
129 ** Spirit offline – connection with a Spirit forklift is lost;
130 * Errors 2 – errors of the battery 2:
131 ** Low temperature (CH) – temperature is too low for charging;
132 ** High temperature (CH) – temperature is too high for charging;
133 ** Unallowable charging – charging the battery through the discharging contactor;
134 ** Stuck contactor;
135 ** CH contactor feedback error – the control signals for the charging contactor and the contactor feedback differ;
136 ** DCH contactor feedback error – the control signals for the discharging contactor and the contactor feedback differ;
137 ** Insulation fault;
138 ** PCH contactor feedback error – the control signals for the precharging contactor and the contactor feedback differ;
139 ** CH/DCH contactor feedback error – the control signals for the charging/discharging contactor and the contactor feedback differ;
140 ** Main contactor feedback error – the control signals for the main contactor and the contactor feedback differ;
141 ** General error;
142 ** High voltage fault – failure of high voltage measuring circuits;
143 ** Power switch error – short circuit in contactor coil control circuit or power switch overheating;
144 ** HVIL error – breakage of high-voltage interlock current loop;
145 ** Precharge error – capacitive load pre-charge process did not end during the estimated time;
146 ** Power fault – external devices power supply error: current sensors, HVIL, BMS Logic or CAN2 (int) bus powered devices.