Changes for page 3.3 Control

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73	73
74	74	To change the parameters of the main contactor, select the "Control → Main contactor" section:
75	75
76		-[[image:1740749605680-464.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="88" width="600"]]
	76	+[[image:1740749605680-464.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
77	77
	78	+In this section:
	79	+
	80	+* Enable – a flag to enable the main contactor control;
	81	+* Algorithm – main contactor control algorithm:
	82	+** Always on – contactor is always closed;
	83	+** Automatic – contactor closes by internal charge and discharge algorithms;
	84	+* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed, millisecond;
	85	+* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, millisecond;
	86	+* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
	87	+* Errors to open the main contactor – error flags that cause the contactor to open.
	88	+
	89	+=== Charging status ===
	90	+
	91	+To change the parameters for generating status signals when charging the battery, select the section “Control → Charging status”:
	92	+
	93	+[[image:1740749824773-539.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
	94	+
	95	+In this section:
	96	+
	97	+* Current corresponding to charging – a current level to set the "Charging current present" signal, A;
	98	+* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A.
	99	+
	100	+=== Discharging status ===
	101	+
	102	+To change the parameters for generating status signals when discharging the battery, select the section “Control → Discharging status”:
	103	+
	104	+[[image:1740749862820-455.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="95" width="800"]]In this section:
	105	+
	106	+* Current corresponding to discharging – a current level to set the "Discharging current present" signal, A;
	107	+* Current corresponding to no discharging – a current level to clear the "Discharging current present" signal, A.
	108	+
	109	+=== Precharge ===
	110	+
	111	+To change the precharge parameters, select the section “Control → Precharge”:
	112	+
	113	+[[image:1740749922669-238.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="165" width="800"]]
	114	+
	115	+In this section:
	116	+
	117	+* Precharge current threshold to close the discharging contactor – a current value to ensure that precharge process has finished and it is allowed to close the discharging contactor, A;
	118	+* Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
	119	+* Minimum voltage difference before and after contactors to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V;
	120	+* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
	121	+* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
	122	+* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
	123	+* Relaxation between attempts – a duration between precharge attempts, millisecond;
	124	+* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
	125	+* Precharge resistor resistance, Ohm;
	126	+* Maximum allowable power dissipated in the resistor, W;
	127	+* Delay before setting the "Precharge error" when checking power, millisecond;
	128	+* Delay before clearing the "Precharge error", second;
	129	+* Lock – a flag to block the error until the device is restarted.
	130	+
	131	+“Precharge error” generation conditions if any of the following is true:
	132	+
	133	+* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
	134	+* voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
	135	+* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
	136	+
	137	+Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
	138	+
78	78	=== Charge ===
79	79
80	80	The BMS Main X device manages the parallel connection of the battery modules and the connection of the battery to the charging circuit.

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