Wiki source code of BMS Repeater
Last modified by Admin on 2025/02/20 13:20
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2.1 | 1 | = General information = |
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1.1 | 2 | |
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| 4 | [[image:1734105245109-437.png||data-xwiki-image-style-alignment="center" height="137" width="300"]] | ||
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2.1 | 6 | The BMS Repeater is a device for relaying RS-485 signals from one subnetwork to another and vice versa. |
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1.1 | 7 | |
| 8 | The device provides galvanic isolation up to 3500 V RMS. | ||
| 9 | |||
| 10 | = Specifications = | ||
| 11 | |||
| 12 | |**Parameter**|**Value** | ||
| 13 | |Supply voltage, V|5.0±0.5 | ||
| 14 | |Current consumption @5 V, mA (no load; max)|40 | ||
| 15 | |RS-485 baud rate, bps (max)|115200 | ||
| 16 | |Output voltage, V|5.0±0.5 | ||
| 17 | |Output current, mA (max)|400 | ||
| 18 | |Dimensions (length × width × height), mm|64 × 30 × 16 | ||
| 19 | |Weight, g|13±2 | ||
| 20 | |(% colspan="2" %)**Operating conditions** | ||
| 21 | |Operating temperature range, ° С|-40÷75 | ||
| 22 | |Degree of protection from external influences|IP00 | ||
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3.1 | 23 | |Header types|Molex series Mini-Fit |
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1.1 | 24 | |
| 25 | = Connection = | ||
| 26 | |||
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2.1 | 27 | The BMS Repeater a header to connect the any BMS Main board and a header to connect any BMS Logic board. It also has jumpers to connect bias resistors to the RS-485 bus subnetworks. |
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1.1 | 28 | |
| 29 | [[image:1734105319233-615.png||data-xwiki-image-style-alignment="center" height="353" width="350"]] | ||
| 30 | |||
| 31 | |**Parameter**|**Value** | ||
| 32 | |Overall dimensions (length × width × height), mm|64 × 30 × 16 | ||
| 33 | |Mounting dimensions (length × width), mm|57 × 23 | ||
| 34 | |Mounting holes|M3 | ||
| 35 | |||
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2.1 | 36 | == X1 – header for communication with BMS Main board == |
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1.1 | 37 | |
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3.1 | 38 | Receptacle Housing: Molex 39012040. Terminals: Molex 5556 |
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1.1 | 40 | [[image:1734105400608-295.png||data-xwiki-image-style-alignment="center" height="83" width="75"]] |
| 41 | |||
| 42 | |**Pin**|**Name**|**Description** | ||
| 43 | |**1**|**RS485_A1**|RS-485 line A for communication with the BMS Main | ||
| 44 | |**2**|**RS485_B1**|RS-485 line B for communication with the BMS Main | ||
| 45 | |**3**|**+5V**|Supply voltage 5V | ||
| 46 | |**4**|**GND1**|Ground | ||
| 47 | |||
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2.1 | 48 | == X2 – header for communication with BMS Logic board == |
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1.1 | 49 | |
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3.1 | 50 | Receptacle Housing: Molex 39012040. Terminals: Molex 5556 |
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1.1 | 52 | [[image:1734105400608-295.png||data-xwiki-image-style-alignment="center" height="83" width="75"]] |
| 53 | |||
| 54 | |**Pin**|**Name**|**Description** | ||
| 55 | |**1**|**RS485_A2**|RS-485 line A for communication with BMS Logic | ||
| 56 | |**2**|**RS485_B2**|RS-485 line B for communication with BMS Logic | ||
| 57 | |**3**|**OUT_5V**|Output voltage 5V, max 400 mA | ||
| 58 | |**4**|**GND2**|Ground | ||
| 59 | |||
| 60 | == P1, P2 – jumpers for bias resistors of subnetwork 1 == | ||
| 61 | |||
| 62 | To connect the bias resistors setting proper RS-485 bus levels on the BMS Main subnetwork install the P1 and P2 jumpers. | ||
| 63 | |||
| 64 | (% class="box warningmessage" %) | ||
| 65 | ((( | ||
| 66 | Do not connect the second pair of bias resistors to the same RS-485 subnetwork. | ||
| 67 | ))) | ||
| 68 | |||
| 69 | == P3, P4 – jumpers for bias resistors of subnetwork 2 == | ||
| 70 | |||
| 71 | To connect the bias resistors setting proper RS-485 bus levels on the BMS Logic subnetwork install the P3 and P4 jumpers. | ||
| 72 | |||
| 73 | (% class="box warningmessage" %) | ||
| 74 | ((( | ||
| 75 | Do not connect the second pair of bias resistors to the same RS-485 subnetwork. | ||
| 76 | ))) |