Wiki source code of 2. Connection
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| author | version | line-number | content |
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1.2 | 1 | = Headers = |
| 2 | |||
| 3 | The BMS Main 2.1 headers are shown in figure below. | ||
| 4 | |||
| 5 | [[The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||height="430" width="428"]] | ||
| 6 | |||
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2.2 | 7 | == P1 – header for power supply == |
| 8 | |||
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4.2 | 9 | [[image:1731516593096-166.png||data-xwiki-image-style-alignment="center" height="93" width="49"]] |
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2.2 | 10 | |
| 11 | |**Pin**|**Name**|**Description** | ||
| 12 | |**1**|**GND**|Ground | ||
| 13 | |**2**|**V+**|Supply voltage 9-30V | ||
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4.2 | 14 | |
| 15 | == P15 – header for BMS Logic == | ||
| 16 | |||
| 17 | [[image:1731516577472-301.png||data-xwiki-image-style-alignment="center" height="90" width="83"]] | ||
| 18 | |||
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5.2 | 19 | |**Pin**|**Name**|**Description** |
| 20 | |**1**|**RS485_A**|RS-485 line A for communication with BMS Logic | ||
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4.2 | 21 | |**2**|**RS485_B**|RS-485 line B for communication with BMS Logic |
| 22 | |**3**|**+5V**|Supply voltage for BMS Logic | ||
| 23 | |**4**|**GND**|Ground | ||
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5.2 | 24 | |
| 25 | == P12 – header for current sensor == | ||
| 26 | |||
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5.3 | 27 | [[image:1731516685999-633.png||data-xwiki-image-style-alignment="center" height="98" width="90"]] |
| 28 | |||
| 29 | |**Pin**|**Name**|**Description** | ||
| 30 | |**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA | ||
| 31 | |**2**|**GND**|Ground | ||
| 32 | |**3**|**Vcs**|ADC input (current sensor output) | ||
| 33 | |**4**|**Vref**|ADC input (current sensor reference signal) | ||
| 34 | |||
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6.2 | 35 | == P13 – header for humidity sensor == |
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5.3 | 36 | |
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6.2 | 37 | [[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]] |
| 38 | |||
| 39 | |**Pin**|**Name**|**Description** | ||
| 40 | |**1**|**+5V**|Supply voltage 5 V, max 50 mA | ||
| 41 | |**2**|**GND**|Ground | ||
| 42 | |**3**|**Vhs**|ADC input (humidity sensor output) | ||
| 43 | |**4**|**Vts**|ADC input (temperature sensor output) | ||
| 44 | |||
| 45 | |||
| 46 | 1. | ||
| 47 | 11. | ||
| 48 | 111. P8 – header of relay 1 | ||
| 49 | |||
| 50 | [[image:file:///C:/Users/INASIB~~1/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]] | ||
| 51 | |||
| 52 | By default, relay 1 is used to control the discharging contactor. | ||
| 53 | |||
| 54 | |||
| 55 | |**Pin**|**Name**|**Description** | ||
| 56 | |**1**|**V+**|Switching voltage (up to 55V, max 2A) | ||
| 57 | |**2**|**NO**|Normally open contact | ||
| 58 | |||
| 59 | |||
| 60 | 1. | ||
| 61 | 11. | ||
| 62 | 111. P9 – header of relay 2 | ||
| 63 | |||
| 64 | [[image:file:///C:/Users/INASIB~~1/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]] | ||
| 65 | |||
| 66 | By default, relay 2 is used to output the “Allow charging” signal. | ||
| 67 | |||
| 68 | |||
| 69 | |**Pin**|**Name**|**Description** | ||
| 70 | |**1**|**V+**|Switching voltage (up to 55V, max 2A) | ||
| 71 | |**2**|**NO**|Normally open contact | ||
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5.3 | 75 |