Changes for page 3.3 Input and output signals

Last modified by Admin on 2025/04/09 12:34

From 13.3 to 13.2 From 15.1 to 14.1

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on 2024/11/28 11:44

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To version 13.3

edited by Admin
on 2024/11/22 15:12

Change comment: Update document after refactoring.

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@@ -1,33 +1,23 @@
  == 3.3.1 Input signals ==
--The BMS Main 2.x board has **4 discrete inputs** of the "dry contact" type. For each discrete input, its purpose and the inversion requirement are specified.
++The BMS Main 2.x board has 4 discrete inputs of the "dry contact" type. For each discrete input, its purpose and the inversion requirement are specified. The following discrete input assignment options are supported:
--BMS Main 2.x board has **4 analog inputs** for connecting current, temperature and humidity sensors.
++* no signal;
++* signal from battery cover;
++* charger connected;
++* power up/down request;
++* inhibit charging;
++* inhibit discharging;
++* CH contactor feedback;
++* DCH contactor feedback;
++* Insulation status;
++* Charge request;
++* Precharge request;
++* Discharge request;
++* PCH contactor feedback;
++* CH/DCH contactor feedback;
++* Main contactor feedback.
--(% id="cke_bm_2415S" style="display:none" %) (%%)To configure the input discrete and analog signals, select the menu "Signals → Input signals":
--
--[[image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]]
--
--The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
--
--Discrete inputs in this section:
--
--* No input;
--* Battery cover – a signal from the battery cover trailer;
--* Charger connected – a signal from the charger connector;
--* Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down;
--* Inhibit charging – a command to open the charging relay;
--* Inhibit discharging – a command to open the discharging relay;
--* CH contactor feedback – a feedback signal from the charging contactor;
--* DCH contactor feedback – a feedback signal from the discharging contactor;
--* Insulation status – a signal from an external insulation monitoring device;
--* Charge request – a request for closing the charging contactor;
--* Precharge request – a request for closing the precharging contactor;
--* Discharge request – a request for closing the discharging contactor;
--* PCH contactor feedback – a feedback signal from the precharging contactor;
--* CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor;
--* Main contactor feedback – a feedback signal from the main contactor.
--
  If the "Signal from the battery cover" assignment is selected, the discrete input is used to monitor the state of the battery cover (see section Battery cover protection).
  if the "Charger connected" assignment is selected, the discrete input is involved in the algorithms of charge and discharge control (see sections Charge control and Discharge control).
@@ -45,18 +45,8 @@
  If the “Insulation status” assignment is selected, the discrete input is used to monitor a signal from an external insulation monitoring device (see section Insulation monitoring).
--Analog inputs in this section:
++BMS Main 2.x board has 4 analog inputs for connecting current, temperature and humidity sensors. **Assignment of analog inputs must be selected as follows**:
--* No input;
--* Current sensor;
--* Current zero level;
--* Temperature sensor;
--* Humidity sensor;
--* Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
--* Current zero level (AUX) – zero level bus for additional current sensor.
--
--**Assignment of analog inputs must be selected as follows**:
--
  * Analog Input #1 – Current sensor;
  * Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note);
  * Analog Input #3 – No input / Temperature sensor / Current sensor (AUX);
@@ -77,6 +77,39 @@
  **Note:** The default setting for Analog input #2 is "No signal". If it is necessary to use a current sensor with an additional zero level signal, set the "Current sensor reference line" assignment.
  )))
++ To configure the input discrete and analog signals, select the menu "Signals → Input signals":
++
++[[Input signals section>>image:1732201986070-992.png||data-xwiki-image-style-alignment="center" height="290" width="272"]]
++
++ The order of the numbering of the discrete and analog inputs corresponds to the order of the numbering on the board.
++
++In this section:
++
++* Discrete inputs:
++** No input;
++** Battery cover – a signal from the battery cover trailer;
++** Charger connected – a signal from the charger connector;
++** Power up/down request – a signal from the external power monitor which is used for proper powering BMS up or down;
++** Inhibit charging – a command to open the charging relay;
++** Inhibit discharging – a command to open the discharging relay;
++** CH contactor feedback – a feedback signal from the charging contactor;
++** DCH contactor feedback – a feedback signal from the discharging contactor;
++** Insulation status – a signal from an external insulation monitoring device;
++** Charge request – a request for closing the charging contactor;
++** Precharge request – a request for closing the precharging contactor;
++** Discharge request – a request for closing the discharging contactor;
++** PCH contactor feedback – a feedback signal from the precharging contactor;
++** CH/DCH contactor feedback – a feedback signal from the charging/discharging contactor;
++** Main contactor feedback – a feedback signal from the main contactor.
++* Analog inputs:
++** No input;
++** Current sensor;
++** Current zero level;
++** Temperature sensor;
++** Humidity sensor;
++** Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
++** Current zero level (AUX) – zero level bus for additional current sensor.
++
  == 3.3.2 Current sensor ==
  After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board.
@@ -83,7 +83,7 @@
  To configure the current sensor parameters, select the menu "Signals → Current sensor":
--[[image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]]
++[[Current sensor settings>>image:1732202357233-620.png||data-xwiki-image-style-alignment="center" height="453" width="284"]]
  In the «Primary sensor» и «Auxiliary sensor» sections:
@@ -114,7 +114,7 @@
  To configure the shunt current sensor parameters, select the menu "Signals → Current shunt sensor":
--[[image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]]
++[[Shunt sensor settings>>image:1732202640889-562.png||data-xwiki-image-style-alignment="center" height="342" width="265"]]
  In this section:
@@ -136,7 +136,7 @@
  To configure the temperature sensor parameters, select the menu "Signals → Temperature sensor":
--[[image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]]
++[[Temperature sensors settings>>image:1732204766138-628.png||data-xwiki-image-style-alignment="center" height="112" width="256"]]
  In this section:
@@ -161,28 +161,17 @@
  == 3.3.6 Output signals ==
--The BMS Main 2.x board has 4 discrete outputs. For each discrete output, its purpose and inversion requirement are specified.
++The BMS Main 2.x board has 4 discrete outputs. For each discrete output, its purpose and inversion requirement are specified. The following discrete output assignment options are supported:
--The BMS Main 2.x board has 4 solid-state relays (#1 and #2 of them are bipolar, and the #3 and #4 are unipolar). For each relay, its purpose and inversion requirement are specified.
--
--To configure output discrete signals and relays, select the menu "Signals → Output signals":
--
--[[image:1732205046156-597.png||data-xwiki-image-style-alignment="center" height="346" width="295"]]
--
--
--The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board.
--
--Discrete outputs in this section:
--
  * No output;
  * Low SOC;
--* High charging current;
++* Hgh battery charge current;
  * Cooler;
  * Heater;
  * Allow charging;
  * Precharging;
  * Acknowledgement of power down;
--* Power up;
++* Power up.
  If the "Low SOC" assignment is selected, the output indicates the low battery charge level (see section Low SOC signal).
@@ -201,7 +201,7 @@
  If the "Power up" assignment is selected, the output is used to indicate the power status of BMS (see section Power down control).
--Relay assignments in this section:
++The BMS Main 2.x board has 4 solid-state relays (#1 and #2 of them are bipolar, and the #3 and #4 are unipolar). For each relay, its purpose and inversion requirement are specified. The following relay assignment options are supported:
  * No relay;
  * Charging;
@@ -237,3 +237,36 @@
  If the "Main contactor" assignment is selected, the relay is used to close the main contactor in the common (minus) power bus.
  If the "Power up" assignment is selected, the relay is used to close the contactor in the BMS Main power bus.
++
++To configure output discrete signals and relays, select the menu "Signals → Output signals":
++
++[[Output signals section>>image:1732205046156-597.png||data-xwiki-image-style-alignment="center" height="346" width="295"]]
++
++
++The order of the numbering of the discrete outputs and the relay corresponds to the order of the numbering on the board.
++
++In this section:
++
++* Discrete outputs:
++** No output;
++** Low SOC;
++** High charging current;
++** Cooler;
++** Heater;
++** Allow charging;
++** Precharging;
++** Acknowledgement of power down;
++** Power up;
++* Relay:
++** No relay;
++** Charging;
++** Discharging;
++** Allow charging;
++** Cooler;
++** Heater;
++** Precharging;
++** Balancing series 1;
++** Balancing series 2;
++** Discharging (AUX);
++** Main contactor;
++** Power up.

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