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Changes for page 4.2 Battery

Last modified by Admin on 2025/06/19 11:13
From version 6.5
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on 2024/12/26 16:06
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To version 16.1
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on 2025/06/19 11:13
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Summary

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6 6  
7 7  Battery parameters are summarized in the "Battery" section:
8 8  
9 -[[image:1735228916836-719.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="370" width="800"]]
9 +[[image:1750331506968-446.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="562" width="800"]]
10 10  
11 11  In this section:
12 12  
13 -* Voltage – voltage of the battery, V;
13 +* Voltage (sum of cell voltages) – voltage of the battery, defined as sum of all cell voltages, V;
14 +* Voltage – voltage of the battery, measured before contactors, V;
14 14  * Current – current of the battery, A;
15 15  * Internal resistance – internal resistance of the battery, Ohm;
16 16  * Main voltage – supply voltage on the BMS, V;
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20 20  * Temperature 1, 2 – temperature measured by the external temperature sensors, °C;
21 21  * Number of Logic devices – number of connected Logic devices;
22 22  * Logic command rate – number of commands transmitted to Logic devices, com/s;
24 +* Logic retry attempts – amount of BMS Logic retry attempts;
23 23  * Minimum Logic temperature – minimum temperature among Logic devices, °C;
24 24  * Min. Logic temp.: Logic index – number of Logic with minimum temperature;
25 25  * Maximum Logic temperature – minimum temperature among Logic devices, °C;
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32 32  * Maximum cell temperature, °C;
33 33  * Max. cell temp.: Logic index  – number of Logic with maximum cell temperature;
34 34  * Max. cell temp.: cell index – number of cell with maximum temperature;
37 +* Average cell voltage, V;
35 35  * Minimum cell voltage, V;
36 36  * Min. cell volt.: Logic index – number of Logic with minimum voltage;
37 37  * Min. cell volt.: cell index – number of cell with minimum voltage;
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54 54  ** Relaxed (after charging) – battery is in a state of relaxation after charging;
55 55  * Duration – duration of the battery in the "State" state, s;
56 56  * SOC – state of charge of the battery, %;
57 -* DOD – depth of discharge of the battery, %;
60 +* DOD – depth of discharge of the battery, A×h;
58 58  * SOH – state of health of the battery, %;
59 59  * Balancing efficiency – balancing efficiency of the battery, %;
60 60  * Effective capacity, А×h;
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69 69  * Work charge- - amount of charge transmitted to the load (negative direction) since device startup, Ah;
70 70  * Work energy+ - amount of energy received from charger (positive direction) since device startup, Wh;
71 71  * Work energy- - amount of energy transmitted to the load (negative direction) since device startup, Wh;
72 -* Work energy- - amount of energy transmitted to the load (negative direction) since device startup, Wh;
73 -* Total energy+ - total energy received by the battery modules from the charger and during recuperation, Wh;
75 +* Work energy regen - amount of regererated energy (positive direction) since device startup, Wh;
76 +* Total energy+ - total energy received by the battery modules from the charger, Wh;
74 74  * Total energy- - total energy spent by the battery modules on the load, Wh;
78 +* Total energy regen - total energy received by the battery modules during recuperation, Wh;
75 75  * Total balanced energy – total energy dissipated by the battery modules on balancing resistors, Wh;
76 -* Input singals:
77 -** Battery cover – a signal from the battery cover;
78 -** Charger connected – a signal indicating that charger is connected;
79 -** Power up/down request – a request to power down the device;
80 -** Inhibit charging – a command to open the charging contactor;
81 -** Inhibit discharging – a command to open the discharging contactor;
82 -** CH contactor feedback – a signal from charging contactor feedback loop;
83 -** DCH contactor feedback – a signal from discharging contactor feedback loop;
84 -** Insulation status – a signal from an insulation monitoring device;
85 -** Charge request – a request to close the charging contactor;
86 -** Precharge request – a request to close the precharging contactor;
87 -** Discharge request – a request to close the discharging contactor;
88 -** PCH contactor feedback – a signal from precharging contactor feedback loop;
89 -** CH/DCH contactor feedback – a signal from charging/discharging contactor feedback loop;
90 -** Main contactor feedback – a signal from main contactor feedback loop;
91 -** Interlock – a signal from interlock loop;
92 -** Fuse 1, Fuse 2, Fuse 3 – signals from fuses;
93 -** Circuit breaker status – status of protection disconnector;
94 -** Balancing request – a request to balance the cells;
95 -** Close Main contactor – a request to close the main contactor.
96 -* Internal signals – device internal signals:
97 -** Low SOC – a signal indicating the discharged battery;
98 -** High charging current;
99 -** Charging – state of the charging contactor;
100 -** Allow charging signal – signal allowing the operation of the charger;
101 -** Charging current present – charging current is detected;
102 -** Discharging – state of the discharging contactor;
103 -** Discharging current present – discharging current is detected;
104 -** Voltage is too high for charging;
105 -** Heater – signal to turn on heater;
106 -** Cooler – signal to turn on cooler;
107 -** Shutdown request (HYG/Spirit) – request to open the discharging contactor received from the HYG forklift;
108 -** Init – initialization of the device (calibration of the current sensor and searching BMS Logic devices);
109 -** Precharging – state of the precharging contactor;
110 -** Shutdown request (Combilift) – request to open the discharging contactor received from the Combilift forklift;
111 -** Cell analysis – operation of the algorithm for determining the discharge characteristics;
112 -** Balancing 1 – balancing the first series of cells;
113 -** Balancing 2 – balancing the second series of cells;
114 -** Discharging (AUX) – state of the discharging (AUX) contactor (powering of external equipment is on);
115 -** Power down ACK – signal to acknowledge powering down the battery system;
116 -** Crown EWS – signal sent to the Crown truck before opening the discharging contactor;
117 -** Main contactor – state of the main contactor;
118 -** Service reset;
119 -** Charging/Discharging – state of the charging/discharging contactor;
120 -** Ready to charge – the battery is ready to charge;
121 -** Ready to discharge – the battery is ready to discharge;
122 -** Power up – system power status;
123 -* Errors 1 – errors of the battery 1:
124 -** Overcurrent;
125 -** Undervoltage;
126 -** Overvoltage;
127 -** Low temperature (DCH) – temperature is too low for discharging;
128 -** High temperature (DCH) – temperature is too high for discharging;
129 -** Battery cover error – battery cover is open;
130 -** High humidity – humidity of the battery is increased;
131 -** Water – there is water in the battery enclosure;
132 -** High Logic temperature – at least one of the Logic devices is overheated;
133 -** Logic offline – at least one of the Logic devices is offline;
134 -** Critical error;
135 -** Crown error – connection with a Crown forklift is lost;
136 -** Cell count error – number of cells does not match the specified value;
137 -** HYG offline – connection with a HYG forklift is lost;
138 -** Combilift offline – connection with a Combilift forklift is lost;
139 -** Short circuit;
140 -** High contactor temperature;
141 -** ADC error – current cannot be measured;
142 -** Current sensor error – error in the current sensor circuit;
143 -** CH contactor cycles error – switching frequency of the charging contactor is too high;
144 -** DCH contactor cycles error – switching frequency of the discharging contactor is too high;
145 -** Shunt offline – connection with the shunt current sensor is lost;
146 -** Shunt error – internal error of the shunt current sensor;
147 -** WDT reset – watchdog timer reset the device;
148 -** No temperature sensors – the device has no temperature sensors connected;
149 -** Temperature sensor is shorted – some temperature sensors are shorted;
150 -** Spirit offline – connection with a Spirit forklift is lost;
151 -* Errors 2 – errors of the battery 2:
152 -** Low temperature (CH) – temperature is too low for charging;
153 -** High temperature (CH) – temperature is too high for charging;
154 -** Unallowable charging – charging the battery through the discharging contactor;
155 -** Stuck contactor;
156 -** CH contactor feedback error – the control signals for the charging contactor and the contactor feedback differ;
157 -** DCH contactor feedback error – the control signals for the discharging contactor and the contactor feedback differ;
158 -** Insulation fault;
159 -** PCH contactor feedback error – the control signals for the precharging contactor and the contactor feedback differ;
160 -** CH/DCH contactor feedback error – the control signals for the charging/discharging contactor and the contactor feedback differ;
161 -** Main contactor feedback error – the control signals for the main contactor and the contactor feedback differ;
162 -** General error;
163 -** High voltage fault – failure of high voltage measuring circuits;
164 -** Power switch error – short circuit in contactor coil control circuit or power switch overheating;
165 -** HVIL error – breakage of high-voltage interlock current loop;
166 -** Precharge error – capacitive load pre-charge process did not end during the estimated time;
167 -** Power fault – external devices power supply error: current sensors, HVIL, BMS Logic or CAN2 (int) bus powered devices.
80 +* Input signals – a bitfield including input signals (see [[Input signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInputsignals"]]);
81 +* Internal signals – a bitfield including device internal signals (see [[Internal signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInternalsignals"]]);
82 +* Errors 1, 2 – errors of the battery (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]).
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