Changes for page 3.3 Input and output signals
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... ... @@ -1,1 +1,1 @@ 1 - Battery managementsystems.BMS Main2\.1.3\. Configuration.WebHome1 +drafts.bms-main-2-1.configuration.WebHome - Content
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... ... @@ -1,78 +1,106 @@ 1 -(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %) 2 -= Configuration = 1 +== 3.3.1 Input signals == 3 3 4 -(% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %) 5 -== Input and output signals == 3 +The BMS Main 2.x board has 4 discrete inputs of the "dry contact" type. For each discrete input, its purpose and the inversion requirement are specified. The following discrete input assignment options are supported: 6 6 7 -=== Input signals === 5 +* no signal; 6 +* signal from battery cover; 7 +* charger connected; 8 +* power up/down request; 9 +* inhibit charging; 10 +* inhibit discharging; 11 +* CH contactor feedback; 12 +* DCH contactor feedback; 13 +* Insulation status; 14 +* Charge request; 15 +* Precharge request; 16 +* Discharge request; 17 +* PCH contactor feedback; 18 +* CH/DCH contactor feedback; 19 +* Main contactor feedback. 8 8 9 - TheBMSMain2.x boardhas **4 discrete inputs**ofthe"dry contact"type.Foreach discrete input,itspurposeandtheinversionrequirement arespecified.21 +If the "Signal from the battery cover" assignment is selected, the discrete input is used to monitor the state of the battery cover (see section Battery cover protection). 10 10 11 - BMS Main2.xboardhas**4analoginputs**for connectingcurrent,temperature andhumiditysensors.23 +if the "Charger connected" assignment is selected, the discrete input is involved in the algorithms of charge and discharge control (see sections Charge control and Discharge control). 12 12 13 - The order ofthe numberingofthe discreteandanalog inputscorrespondstothe order ofthe numbering ontheboard.25 +If the "Power up/down request" assignment is selected, the discrete input is involved in the algorithms of opening the charging and discharging relays and sending acknowledgment of power down to the external equipment (see sections Charge control and Discharge control). 14 14 15 - (% id="cke_bm_2415S" style="display:none" %) (%%)To configuretheinput discreteand analog signals,select themenu"Signals→Inputsignals":27 +If the “Inhibit charging” assignment is selected, the discrete input is used to open the charging relay. 16 16 17 - [[image:1732201986070-992.png||data-xwiki-image-style-alignment="center"data-xwiki-image-style-border="true"height="290"width="272"]]29 +If the “Inhibit discharging” assignment is selected, the discrete input is used to open the discharging relay. 18 18 19 -(% class="box infomessage" %) 20 -((( 21 -A list of available **discrete input assignments **is available in [[Input signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInputsignals"]]. 22 -))) 31 +If the “CH contactor feedback”, “DCH contactor feedback”, “PCH contactor feedback”, “CH/DCH contactor feedback” or “Main contactor feedback” assignment is selected, the discrete input is involved in monitoring the corresponding contactor’s feedback signal (see section Contactor feedback check). 23 23 24 -If the "Signal fromthebatterycover"assignment is selected, the discrete input is used tomonitorthestate of thebatterycover(see [[Battery coverprotection>>doc:Batterymanagementsystems.BMS Main 2\.1.3\. Configuration.3\.6Battery protection.WebHome||anchor="HBatterycoverprotection"]]).33 +If the “Charge request”, “Precharge request” or “Discharge request” assignment is selected, the discrete input is used to control opening the corresponding contactor (see sections Charge control and Discharge control). 25 25 26 - if the"Charger connected"assignment is selected, the discrete input isinvolvedinthealgorithmsof chargeanddischarge control(see [[Chargingcontrol>>doc:Battery managementsystems.BMS Main2\.1.3\. Configuration.3\.5Battery control.WebHome||anchor="HChargingcontrol"]]and[[Discharging control>>doc:Batterymanagementsystems.BMS Main2\.1.3\. Configuration.3\.5Battery control.WebHome||anchor="HDischargingcontrol"]]).35 +If the “Insulation status” assignment is selected, the discrete input is used to monitor a signal from an external insulation monitoring device (see section Insulation monitoring). 27 27 28 - Ifthe"Powerup/downrequest"assignmentisselected,the discrete inputisinvolved in the algorithmsof opening thechargingand dischargingrelays andsending acknowledgment ofpowerdownto theexternal equipment(see [[Charging control>>doc:Batterymanagementsystems.BMSMain 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]and [[Discharging control>>doc:Battery managementsystems.BMS Main2\.1.3\. Configuration.3\.5Batterycontrol.WebHome||anchor="HDischargingcontrol"]]).37 +BMS Main 2.x board has 4 analog inputs for connecting current, temperature and humidity sensors. **Assignment of analog inputs must be selected as follows**: 29 29 30 -If the “Inhibit charging” assignment is selected, the discrete input is used to open the charging relay. 39 +* Analog Input #1 – Current sensor; 40 +* Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note); 41 +* Analog Input #3 – No input / Temperature sensor / Current sensor (AUX); 42 +* Analog Input #4 – No input / Humidity sensor / Current reference line (AUX) / Current sensor (2nd range) (AUX). 31 31 32 -If the “Inhibit discharging” assignment is selected, the discrete input is used to open the discharging relay. 44 +(% class="box warningmessage" %) 45 +((( 46 +**Important**: the connection of an additional current sensor (AUX) is possible for special hardware revision of the BMS Main 2.x board. Using an additional current sensor is possible in the configuration when BMS Main serves two galvanically isolated cell series (see section Series balancing). 47 +))) 33 33 34 -If the “CH contactor feedback”, “DCH contactor feedback”, “PCH contactor feedback”, “CH/DCH contactor feedback” or “Main contactor feedback” assignment is selected, the discrete input is involved in monitoring the corresponding contactor’s feedback signal (see [[Contactor feedback check>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HContactorfeedbackcheck"]]). 49 +(% class="box warningmessage" %) 50 +((( 51 +**Warning: **reassignment of analog inputs is **unacceptable.** 52 +))) 35 35 36 -If the “Charge request”, “Precharge request” or “Discharge request” assignment is selected, the discrete input is used to control opening the corresponding contactor (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]). 54 +(% class="box infomessage" %) 55 +((( 56 +**Note:** The default setting for Analog input #2 is "No signal". If it is necessary to use a current sensor with an additional zero level signal, set the "Current sensor reference line" assignment. 57 +))) 37 37 38 - Ifthe“Insulationstatus” assignmentis selected,thediscreteinput is usedto monitorasignalfrom anexternalinsulationmonitoring device(see [[Insulationmonitoring>>doc:Battery managementsystems.BMSMain2\.1.3\. Configuration.3\.6Battery protection.WebHome||anchor="HInsulationmonitoring"]]).59 + To configure the input discrete and analog signals, select the menu "Signals → Input signals": 39 39 61 +[[Input signals section>>image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]] 40 40 41 - **Analog inputs**in thissection:63 + The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board. 42 42 43 -* No input; 44 -* Current sensor signal – main current sensor output; 45 -* Current sensor reference line – main current sensor zero level; 46 -* Temperature sensor; 47 -* Humidity sensor; 48 -* Current sensor signal (AUX) – additional (AUX) current sensor output; 49 -* Current sensor reference line (AUX) – additional (AUX) current sensor zero level; 50 -* Current sensor signal (2nd range) – second range output of main dual range sensor (used in "Dual range sensor" and "Separate dual range sensors" modes); 51 -* Current sensor signal (2nd range, AUX) – second range of additional (AUX) dual range sensor (used in "Separate dual range sensors" mode); 65 +In this section: 52 52 53 -(% class="box warningmessage" %) 54 -((( 55 -**Important**: the using of analog input #4 is possible hardware modification of the BMS Main 2.x board. 56 -))) 67 +* Discrete inputs: 68 +** No input; 69 +** Battery cover – a signal from the battery cover trailer; 70 +** Charger connected – a signal from the charger connector; 71 +** Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down; 72 +** Inhibit charging – a command to open the charging relay; 73 +** Inhibit discharging – a command to open the discharging relay; 74 +** CH contactor feedback – a feedback signal from the charging contactor; 75 +** DCH contactor feedback – a feedback signal from the discharging contactor; 76 +** Insulation status – a signal from an external insulation monitoring device; 77 +** Charge request – a request for closing the charging contactor; 78 +** Precharge request – a request for closing the precharging contactor; 79 +** Discharge request – a request for closing the discharging contactor; 80 +** PCH contactor feedback – a feedback signal from the precharging contactor; 81 +** CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor; 82 +** Main contactor feedback – a feedback signal from the main contactor. 83 +* Analog inputs: 84 +** No input; 85 +** Current sensor; 86 +** Current zero level; 87 +** Temperature sensor; 88 +** Humidity sensor; 89 +** Current sensor (AUX) – additional current sensor for measuring current in a series of cells; 90 +** Current zero level (AUX) – zero level bus for additional current sensor. 57 57 58 -=== Current sensor === 92 +=== 3.3.2 Current sensor === 59 59 60 60 After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board. 61 61 62 62 To configure the current sensor parameters, select the menu "Signals → Current sensor": 63 63 64 -[[image:1732202357233-620.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true"height="453" width="284"]]98 +[[Current sensor settings>>image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]] 65 65 100 + 66 66 In the «Primary sensor» и «Auxiliary sensor» sections: 67 67 68 -* Sensor type – drop-down menu with presets for most popular sensor types; 69 -* Mode – main and additional (AUX) sensors mode: 70 -** Disabled – additional (AUX)sensor is not used: 71 -** Parallel sensors – additional (AUX) sensor is located in parallel circuit. Final current is estimated as sum of both sensors values; 72 -** Serial sensors – additional (AUX) sensor is located on the same circuit. Final current is estimated as average of both sensors values; 73 -** Separated sensors – additional (AUX) sensor is used to measure the current in second series of cells (см. [[Series balancing>>url:https://docs.movicomelectric.com/bin/view/Battery%20management%20systems/BMS%20Main%202.1/3.%20Configuration/3.4%20Battery%20parameters/?HSeriesbalancing#HSeriesbalancing]]); 74 -** Dual range sensor – main sensor is a dual range sensor. Transition betwe; 75 -** Separate dual range sensors – auxiliary sensor and main sensor are dual range sensors, located on the same line (P13 header modification is required!); 103 +* Sensor type – drop-down menu with supported sensor types; 76 76 * Nominal current – rated current of the sensor according to the datasheet, А; 77 77 * Sensitivity – sensitivity of the current sensor according to the datasheet, V / I,,nominal.,,; 78 78 * Zero level – level "0A" of the current sensor, V; ... ... @@ -94,21 +94,21 @@ 94 94 95 95 Calibration of the current sensor (“Calibrate sensor on startup” flag) is necessary if the sensor does not have a reference line (zero level signal). 96 96 97 -=== Current shunt sensor === 125 +=== 3.3.3 Current shunt sensor === 98 98 99 99 To configure the shunt current sensor parameters, select the menu "Signals → Current shunt sensor": 100 100 101 -[[image:1732202640889-562.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true"height="342" width="265"]]129 +[[Shunt sensor settings>>image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]] 102 102 103 103 In this section: 104 104 105 105 * Settings: 106 -* *Enable – a flag to start interaction with BMS Current Sensor (if interaction is enabled then BMS doesn’t use Hall-Effect current sensor which settings are described in the menu "Signals → Current sensor");107 -* *Node ID – an address of BMS Current Sensor in CANopen network;108 -* *Dispatch timeout – timeout of dispatching packages from BMS Current Sensor (if no data is being received from current sensor during this time, the “Shunt offline” flag is set), millisecond;109 -* *Zero level threshold – T,,0,, level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is lower than T,,0,,, BMS will assume that current flowing through the battery is zero);110 -* *Mean level threshold – TM level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is between T,,M,, and T,,0,,, BMS will use mean value of current I,,M,,; if I,,I,, is greater than T,,M,,, BMS will use instantaneous value of current I,,I,,);111 -* *Invert – a flag to invert current values;134 +* Enable – a flag to start interaction with BMS Current Sensor (if interaction is enabled then BMS doesn’t use Hall-Effect current sensor which settings are described in the menu "Signals → Current sensor"); 135 +* Node ID – an address of BMS Current Sensor in CANopen network; 136 +* Dispatch timeout – timeout of dispatching packages from BMS Current Sensor (if no data is being received from current sensor during this time, the “Shunt offline” flag is set), millisecond; 137 +* Zero level threshold – T,,0,, level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is lower than T,,0,,, BMS will assume that current flowing through the battery is zero); 138 +* Mean level threshold – TM level, A (if module of instantaneous current (I,,I,,) which is received from shunt sensor is between T,,M,, and T,,0,,, BMS will use mean value of current I,,M,,; if I,,I,, is greater than T,,M,,, BMS will use instantaneous value of current I,,I,,); 139 +* Invert – a flag to invert current values; 112 112 * Sensor state: 113 113 ** Online – a flag showing that the communication with the BMS Current Sensor is established; 114 114 ** Errors – a list of internal errors of the shunt sensor; ... ... @@ -116,89 +116,19 @@ 116 116 ** Current (mean) – a mean value of current measured by the BMS Current Sensor, A (the value is calculated as an average of 100 consistent measurements); 117 117 ** Temperature – a temperature of the shunt sensor, °C. 118 118 119 -=== Temperature sensor === 147 +=== 3.3.4 Temperature sensor === 120 120 121 121 To configure the temperature sensor parameters, select the menu "Signals → Temperature sensor": 122 122 123 -[[image:1732204766138-628.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true"height="112" width="256"]]151 +[[Temperature sensors settings>>image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]] 124 124 153 + 125 125 In this section: 126 126 127 -* Type – type of temperature sensors ;128 -* Mask –mask to ignore the temperature from the corresponding temperature sensors; bit //i// corresponds to temperature input //#(i+1)// of each BMS Logic device; mask 0x5 means that the BMS marks all temperature sensors connected to inputs #1 and #3 of each BMS Logic device as missing and doesn't use them in calculations.156 +* Type – type of temperature sensors. 157 +* Mask - 129 129 130 130 (% class="box infomessage" %) 131 131 ((( 132 132 **Note:** Temperature sensors connected to the BMS Main 2.x and BMS Logic boards must be the same type. 133 133 ))) 134 - 135 -=== Humidity sensor === 136 - 137 -To set the humidity sensor parameters, select the menu "Signals → Humidity sensor": 138 - 139 -[[image:1732204899160-307.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="120" width="195"]] 140 - 141 - In this section: 142 - 143 -* Type – type of the humidity sensor. 144 - 145 -=== Output signals === 146 - 147 -The BMS Main 2.x board has **4 discrete outputs**. For each discrete output, its purpose and inversion requirement are specified. 148 - 149 -The BMS Main 2.x board has **4 solid-state relays** (#1 and #2 of them are bipolar, and the #3 and #4 are unipolar). For each relay, its purpose and inversion requirement are specified. 150 - 151 -The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board. 152 - 153 -To configure output discrete signals and relays, select the menu "Signals → Output signals": 154 - 155 -[[image:1732205046156-597.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="346" width="295"]] 156 - 157 -(% class="box infomessage" %) 158 -((( 159 -A list of available **discrete output assignments **is available in [[Internal signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInternalsignals"]]. 160 -))) 161 - 162 -If the "Low SOC" assignment is selected, the output indicates the low battery charge level (see [[Low SOC signal>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowSOCsignal"]]). 163 - 164 -If the "High battery charge current" assignment is selected, the output indicates that the charging current exceeds the predefined value (see [[High charging current signal>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHighchargingcurrentsignal"]]). 165 - 166 -If the "Cooler" assignment is selected, the output indicates the overheating of the battery (see [[High temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHightemperatureprotection"]]). 167 - 168 -If the "Heater" assignment is selected, the output indicates the low battery temperature signal (see [[Low temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowtemperatureprotection"]]). 169 - 170 -If the "Allow charging" assignment is selected, the output is used to give the charger the allowance to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]). 171 - 172 -If the "Precharging" assignment is selected, the output is used to charge the capacitive load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]). 173 - 174 -If the "Acknowledgement of power down" assignment is selected, the output is used to acknowledge power down of the BMS. Acknowledgement is outputted when the charge and discharge relays have been opened on power down request (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]] and [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]). 175 - 176 -If the "Power up" assignment is selected, the output is used to indicate the power status of BMS (see [[Power down control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HPowerdowncontrol"]]). 177 - 178 - 179 -(% class="box infomessage" %) 180 -((( 181 -A list of available **relay assignments **is available in [[Internal signals>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HInternalsignals"]]. 182 -))) 183 - 184 -If the "Charging" assignment is selected, the relay is used to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]). 185 - 186 -If the "Discharging" assignment is selected, the relay is used to connect battery to the load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]). 187 - 188 -If the "Allow charging" assignment is selected, the relay is used to give the charger an allowance to charge the battery (see [[Charging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HChargingcontrol"]]). 189 - 190 -If the "Cooler" assignment is selected, the relay receives a signal indicating overheating of the battery (see [[High temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHightemperatureprotection"]]) or the signal "Cooler" (see [[Cooler control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HCoolercontrol"]]). 191 - 192 -If the "Heater" assignment is selected, a low battery temperature signal is outputted to the relay (see [[Low temperature protection>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HLowtemperatureprotection"]]) or a signal "Heater" (see [[Heater control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.6 Battery protection.WebHome||anchor="HHeatercontrol"]]). 193 - 194 -If the "Precharging" assignment is selected, the relay is used to charge the capacitive load (see [[Discharging control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischargingcontrol"]]). 195 - 196 -If the "Balancing series 1" assignment is selected, the relay is used to connect a balancing resistor to the cell series 1 (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]). 197 - 198 -If the "Balancing series 2" assignment is selected, the relay is used to connect a balancing resistor to the cell series 2 (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]). 199 - 200 -If the "Discharging (AUX)" assignment is selected, the relay is used to power external equipment (see [[Discharging (AUX) control>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.5 Battery control.WebHome||anchor="HDischarging(AUX)control"]]). 201 - 202 -If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus. 203 - 204 -If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
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