Wiki source code of BMS Repeater
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| author | version | line-number | content |
|---|---|---|---|
| 1 | = General information = | ||
| 2 | |||
| 3 | |||
| 4 | [[image:1734105245109-437.png||data-xwiki-image-style-alignment="center" height="137" width="300"]] | ||
| 5 | |||
| 6 | The BMS Repeater is a device for relaying RS-485 signals from one subnetwork to another and vice versa. | ||
| 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 | ||
| 23 | |||
| 24 | = Connection = | ||
| 25 | |||
| 26 | 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. | ||
| 27 | |||
| 28 | [[image:1734105319233-615.png||data-xwiki-image-style-alignment="center" height="353" width="350"]] | ||
| 29 | |||
| 30 | |**Parameter**|**Value** | ||
| 31 | |Overall dimensions (length × width × height), mm|64 × 30 × 16 | ||
| 32 | |Mounting dimensions (length × width), mm|57 × 23 | ||
| 33 | |Mounting holes|M3 | ||
| 34 | |Header types|Molex series Mini-Fit | ||
| 35 | |||
| 36 | == X1 – header for communication with BMS Main board == | ||
| 37 | |||
| 38 | [[image:1734105400608-295.png||data-xwiki-image-style-alignment="center" height="83" width="75"]] | ||
| 39 | |||
| 40 | |**Pin**|**Name**|**Description** | ||
| 41 | |**1**|**RS485_A1**|RS-485 line A for communication with the BMS Main | ||
| 42 | |**2**|**RS485_B1**|RS-485 line B for communication with the BMS Main | ||
| 43 | |**3**|**+5V**|Supply voltage 5V | ||
| 44 | |**4**|**GND1**|Ground | ||
| 45 | |||
| 46 | == X2 – header for communication with BMS Logic board == | ||
| 47 | |||
| 48 | [[image:1734105400608-295.png||data-xwiki-image-style-alignment="center" height="83" width="75"]] | ||
| 49 | |||
| 50 | |**Pin**|**Name**|**Description** | ||
| 51 | |**1**|**RS485_A2**|RS-485 line A for communication with BMS Logic | ||
| 52 | |**2**|**RS485_B2**|RS-485 line B for communication with BMS Logic | ||
| 53 | |**3**|**OUT_5V**|Output voltage 5V, max 400 mA | ||
| 54 | |**4**|**GND2**|Ground | ||
| 55 | |||
| 56 | == P1, P2 – jumpers for bias resistors of subnetwork 1 == | ||
| 57 | |||
| 58 | To connect the bias resistors setting proper RS-485 bus levels on the BMS Main subnetwork install the P1 and P2 jumpers. | ||
| 59 | |||
| 60 | (% class="box warningmessage" %) | ||
| 61 | ((( | ||
| 62 | Do not connect the second pair of bias resistors to the same RS-485 subnetwork. | ||
| 63 | ))) | ||
| 64 | |||
| 65 | == P3, P4 – jumpers for bias resistors of subnetwork 2 == | ||
| 66 | |||
| 67 | To connect the bias resistors setting proper RS-485 bus levels on the BMS Logic subnetwork install the P3 and P4 jumpers. | ||
| 68 | |||
| 69 | (% class="box warningmessage" %) | ||
| 70 | ((( | ||
| 71 | Do not connect the second pair of bias resistors to the same RS-485 subnetwork. | ||
| 72 | ))) |