Wiki source code of 3.2 Inputs and outputs
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| 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 = | ||
| 3 | |||
| 4 | (% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %) | ||
| 5 | == Inputs and outputs == | ||
| 6 | |||
| 7 | === Discrete inputs === | ||
| 8 | |||
| 9 | The BMS Main 3X device has **6 discrete inputs** that detect signal line closing to the virtual ground, and **2 inputs** that detect 9-32V input voltage. For each discrete input, its assignment and inversion flag are set. | ||
| 10 | |||
| 11 | Also, BMS has two additional configurable inputs named “KEYRUN” and “CHARGE_ON”, each serves 9-32V input voltage. Those inputs serve as power buttons with additional functions that can be set. | ||
| 12 | |||
| 13 | Assignments of discrete inputs are configured in the "Signals → Input discrete signals → Assignments" section: | ||
| 14 | |||
| 15 | [[image:1734022225578-818.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="600"]] | ||
| 16 | |||
| 17 | The device supports the following assignments for discrete inputs: | ||
| 18 | |||
| 19 | * No input – input is not used; | ||
| 20 | * Battery cover – a signal from the battery cover; | ||
| 21 | * Charge request – a request to close the charging contactor; | ||
| 22 | * Precharge request – a request to close the precharging contactor; | ||
| 23 | * Discharge request – a request to close the discharging contactor; | ||
| 24 | * Charging contactor feedback – a signal from charging contactor feedback loop; | ||
| 25 | * Discharging contactor feedback – a signal from discharging contactor feedback loop; | ||
| 26 | * Charging/Discharging contactor feedback – a signal from charging/discharging contactor feedback loop; | ||
| 27 | * Insulation status – a signal from an insulation monitoring device; | ||
| 28 | * Join to charge – a request to join (connect in parallel) battery modules to charge the battery; | ||
| 29 | * Join to discharge – a request to join (connect in parallel) battery modules to discharge the battery; | ||
| 30 | * Precharge contactor feedback – a signal from precharging contactor feedback loop; | ||
| 31 | * Main contactor feedback – a signal from main contactor feedback loop; | ||
| 32 | * Interlock – a signal from interlock loop; | ||
| 33 | * Power down request – a request to power down the BMS. | ||
| 34 | |||
| 35 | Inversion flags for discrete inputs are configured in the "Signals → Input discrete signals → Inversion" section: | ||
| 36 | |||
| 37 | [[image:1734022225583-740.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="600"]] | ||
| 38 | |||
| 39 | The behavior of “KEYRUN” signal can be configured in the "Signals → Input discrete signals → KEYRUN mode" section: | ||
| 40 | |||
| 41 | [[image:1734022225584-474.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="87" width="600"]] | ||
| 42 | |||
| 43 | The behavior of “CHARGE_ON” signal can be configured in the "Signals → Input discrete signals → CHARGE_ON mode" section: | ||
| 44 | |||
| 45 | [[image:1734022225585-775.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="89" width="600"]] | ||
| 46 | |||
| 47 | In both “KEYRUN mode” and “CHARGE_ON mode” sections: | ||
| 48 | |||
| 49 | * Do nothing – power on device and do nothing; | ||
| 50 | * Set “Join to discharge” – power on device and set “Join to discharge” signal immediately; | ||
| 51 | * Set “Join to charge” – power on device and set “Join to charge” signal immediately; | ||
| 52 | * Set “Discharge request” – power on device and set “Discharge request” signal immediately; | ||
| 53 | * Set “Charge request” – power on device and set “Charge request” signal immediately. | ||
| 54 | |||
| 55 | === Current sensor === | ||
| 56 | |||
| 57 | The BMS Main 3X device has an ability to measure battery current by **3 external Hall-Effect current sensors**. | ||
| 58 | |||
| 59 | Current sensor settings are configured in the "Signals → Current sensor" section: | ||
| 60 | |||
| 61 | [[image:1734022225586-287.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="600"]] | ||
| 62 | |||
| 63 | The device supports the following current sensor settings: | ||
| 64 | |||
| 65 | * Calculate the battery current as the sum of battery modules currents – a flag that determines overall current as sum of battery modules currents (if flag is not set, device uses measurements from a physical current sensor); | ||
| 66 | * Connection – type of multiple sensors connection | ||
| 67 | ** One sensor (#1) – only first sensor is used to measure the battery current; | ||
| 68 | ** Two sensors (#1 and #2) in parallel – sensors are connected in parallel (the total battery current equals the sum of two sensors); | ||
| 69 | ** Two sensors (#1 and #2) in different branches – sensors located in two halves of the battery (used in batteries with a middle point); | ||
| 70 | * Sensor 2, 3: Enable – a flag to enable the second of third current sensor; | ||
| 71 | * Sensor 1, 2, 3: Nominal current – rated current I,,nom,, of the sensor according to the datasheet, A; | ||
| 72 | * Sensor 1, 2, 3: Sensitivity – sensitivity of the current sensor according to the datasheet, V / I,,nom.,,; | ||
| 73 | * Sensor 1, 2, 3: Invert – invert the sign of the measured value; | ||
| 74 | * Sensor 1, 2, 3: Multiply charging current (experimental) – an experimental flag for scaling the charging current by given multiplier; | ||
| 75 | * Sensor 1, 2, 3: Multiplier for charging current – charging current multiplier; | ||
| 76 | * Sensor 1, 2, 3: REF_IN2 mode – mode of additional analog line: | ||
| 77 | ** Not connected; | ||
| 78 | ** Reference line – reference output of the sensor; | ||
| 79 | ** Low range (for the dual range sensor) - a second output of a dual-range sensor (for example, LEM DHAB series); | ||
| 80 | * Sensor 1, 2, 3: Low range nominal current - rated current I,,nom,, of the low current line of dual range sensor according to the datasheet, A; | ||
| 81 | * Sensor 1, 2, 3: Low range sensitivity – sensitivity of the low current line of dual range sensor according to the datasheet, V / I,,nominal.,,; | ||
| 82 | * Sensor 1, 2, 3: Threshold for low range – a threshold current value at which the device uses the readings of the high current sensor instead of low current, A; | ||
| 83 | * Calibrate – a flag to calibrate (find a 0A point) the current sensor when the device is started; | ||
| 84 | * Calibration time – calibration time of the current sensor, millisecond; | ||
| 85 | * Recalibrate current sensor – a command to calibrate the current sensor manually. | ||
| 86 | |||
| 87 | === Temperature sensors === | ||
| 88 | |||
| 89 | Temperature sensors settings are configured in the "Signals → Temperature sensors" section: | ||
| 90 | |||
| 91 | [[image:1734022225587-758.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="58" width="600"]] | ||
| 92 | |||
| 93 | In this section: | ||
| 94 | |||
| 95 | * Type – a type of temperature sensors. | ||
| 96 | |||
| 97 | === Output discrete signals === | ||
| 98 | |||
| 99 | The BMS Main 3X device has **4 open drain outputs**. For each discrete output, its assignment and inversion flag are set. | ||
| 100 | |||
| 101 | Assignments of discrete outputs are configured in the "Signals → Output discrete signals → Assignments" section: | ||
| 102 | |||
| 103 | [[image:1734022225588-223.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="131" width="600"]] | ||
| 104 | |||
| 105 | The device supports the following assignments for discrete outputs: | ||
| 106 | |||
| 107 | * No output – output is not used. | ||
| 108 | * Charging – state of the charging contactor; | ||
| 109 | * Discharging – state of the discharging contactor; | ||
| 110 | * Charging/Discharging - state of the charging/discharging contactor; | ||
| 111 | * Precharging – state of the precharging contactor; | ||
| 112 | * Heater – a command to turn on a heater; | ||
| 113 | * Cooler – a command to turn on a cooler; | ||
| 114 | * Main contactor – state of the main contactor. | ||
| 115 | |||
| 116 | Inversion flags for discrete outputs are configured in the "Signals → Output discrete signals → Inversion" section: | ||
| 117 | |||
| 118 | [[image:1734022225589-659.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="118" width="600"]] | ||
| 119 | |||
| 120 | |||
| 121 | === Power switches === | ||
| 122 | |||
| 123 | The BMS Main 3X device has **6 power switches to drive contactors**. For each switch, its assignment and inversion flag are set. | ||
| 124 | |||
| 125 | Assignments of power switches are configured in the "Signals → Power switches → Assignments" section: | ||
| 126 | |||
| 127 | [[image:1734022225590-811.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="145" width="600"]] | ||
| 128 | |||
| 129 | The device supports the same switch assignments as discrete outputs. | ||
| 130 | |||
| 131 | Inversion flags for switches are configured in the “Signals → Power switches → Inversion” section: | ||
| 132 | |||
| 133 | [[image:1734022225591-262.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="600"]] | ||
| 134 | |||
| 135 |