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Changes for page 3.3 Control

Last modified by Admin on 2025/08/11 17:07
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297 297  
298 298  To change the parameters of charging process status, select the "Control → Charging status" section:
299 299  
300 -[[image:1740399071280-626.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
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301 301  In this section:
302 302  
303 303  * Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A;
304 304  * Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;
305 +* Use actual voltage to generate the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal;
306 +* Use actual voltage to generate the "Ready to charge" signal if the current is negative – a flag to disable voltage correction for "Ready to charge" signal only at discharging current;
305 305  * Voltage to clear the “Ready to charge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared;
306 306  * Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
307 307  * Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
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318 318  
319 319  To change the parameters of discharging process status, select the "Control → Discharging status" section:
320 320  
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322 322  In this section:
323 323  
324 324  * Current to set the "Discharging current present" – a current level to generate the "Discharging current present" signal, А;
325 325  * Current to clear the "Discharging current present" – a current level to clear the "Discharging current present" signal, А;
328 +* Use actual voltage to generate the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal;
329 +* Use actual voltage to generate the "Ready to discharge" signal if the current is positive – a flag to disable voltage correction for "Ready to discharge" signal only at charging current;
326 326  * Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
327 327  * Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
328 328  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
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333 333  
334 334  BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
335 335  
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337 337  
338 338  To change the parameters of precharge contactor, select the "Control → Precharge" section:
339 339  
344 +* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
340 340  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
341 341  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
342 342  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
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