Modbus TCP/IP slave variables v2 []

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====== Modbus TCP/IP slave variables v2 ======

BM-GW as a Modbus TCP/IP slave (server).
===== UPS =====

**ui = UPS index (1-32)**

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^  var         ^  Unit ID  ^  address  ^  type  ^  scale  ^  description                                                                             ^
| ups_status   |  **ui**   |  0        |  int   |  -      | UPS status (0 = disabled, 1 = OK (all strings OK), 2 = ERR (at least one string error))  |
| ups_voltage  | :::       |  1,2      |  long  |  0.01   | UPS voltage (average of strings voltages) [0.01 V]                                       |
| ups_current  | :::       |  3,4      |  long  |  0.01   | UPS current (sum of string currents) [0.01 A]; + = charge, - = discharge                 |
| ups_soc      | :::       |  5        |  int   |  1      | UPS state of charge (average of strings SOC) [%]                                         |


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===== Strings =====

**si = string index (1-32)**
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^  var                        ^  unit ID       ^  address  ^  type  ^  scale  ^  description                                                                                                                                ^
| string_ups_id               |  100 + **si**  |  0        |  int   |  -      | UPS id where the string is connected (1..32; 0=not connected/disabled)                                                                      |
| string_status               | :::            |  1        |  int   |  -      | String status (0 = disabled, 1 = OK, 2 = Error)                                                                                             |
| string_voltage              | :::            |  2,3      |  long  |  0.01   | String voltage [0.01 V]                                                                                                                     |
| string_current              | :::            |  4,5      |  long  |  0.01   | String current [0.01 A]; + = charge, - = discharge                                                                                          |
| string_soc                  | :::            |  6        |  int   |  1      | String state of charge [%]                                                                                                                  |
| string_balance              | :::            |  7        |  int   |  0.01   | String balancing state [0.01 %]                                                                                                             |
| string_state                | :::            |  8        |  int   |  -      | 0=floating charge, 1=equalizing charge, 2=discharge, 3=idle, 5=abnormal                                                                     |
| string_alarm                | :::            |  9        |  int   |  -      | bit coded; b0=current hi (charging), b1=current lo (discharging), b2=voltage hi, b3=voltage lo, b4=SOC lo, b5=SOH lo, b6=hall disconnected  |
| string_cell_count           | :::            |  10       |  int   |  1      | Number of string cells                                                                                                                      |
| string_ambient_temperature  | :::            |  11       |  int   |  0.1    | String ambient temperature [0.1 °C]                                                                                                         |
| string_ambient_humidity     | :::            |  12       |  int   |  0.1    | String ambient relative humidity [0.1% RH]                                                                                                  |
| string_relay_status         | :::            |  13       |  int   |         | String relay status (0=open, 1=closed)                                                                                                      |
| string_aux_input_status     | :::            |  14       |  int   |         | String auxiliary input status (0=off, 1=on)                                                                                                 |

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===== Cells =====

**si = string index (1..32); ci = cell index (1..120)**

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^  var                 ^  unit ID       ^  address             ^  type  ^  scale  ^  description                                                                                                      ^
| cell_status          |  100 + **si**  |  100 * **ci** + 0    |  int   |  -      | Cell status (0=disabled, 1=OK, 2=error)                                                                           |
| cell_voltage         | :::            |  100 * **ci** + 1    |  int   |  0.001  | Cell voltage [0.001 V]                                                                                            |
| cell_resistance      | :::            |  100 * **ci** + 2,3  |  long  |  0.001  | Cell resistance [0.001 mΩ]                                                                                        |
| cell_temperature     | :::            |  100 * **ci** + 4    |  int   |  0.1    | Cell temperature [0.1 °C]                                                                                         |
| cell_soc             | :::            |  100 * **ci** + 5    |  int   |  1      | Cell state of charge [%]                                                                                          |
| cell_soh             | :::            |  100 * **ci** + 6    |  int   |  1      | Cell state of health [%]                                                                                          |
| cell_alarm           | :::            |  100 * **ci** + 7    |  int   |  -      | Cell alarm (bit coded):  b0=voltage hi, b1=voltage lo, b2=resistance hi, b3=SOC lo, b4=SOH lo, b5=temperature hi  |
| cell_remaining_time  | :::            |  100 * **ci** + 8    |  int   |  0.1    | Cell remaining time [0.1 h]                                                                                       |

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===== Legend =====

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^  type                                             ||
^  bit    | 1 bit (0..1)                             |
^  int    | 16 bit signed (-32768..32767)            |
^  long   | 32 bit signed (-2147483648..2147483647)  |
^  scale                                            ||
^  0.01   | 12345 => 123.45                          |