Changes for page 3.4 Protections

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...	...	@@ -4,11 +4,17 @@
4	4	(% data-numbered-headings-start="4" style="--numbered-headings-start: 3;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5	5	== Protections ==
6	6
7		-The BMS Main 3 device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
	7	+The BMS Main 3 / BMS Main 2R device continuously monitors the state of the cells, the external environment and, when detecting abnormalities, protects the battery and system components from damage.
8	8
	9	+(% class="box errormessage" %)
	10	+(((
	11	+**Attention!**
	12	+Behavior of contactors at different errors is configured in **corresponding contactor settings**!
	13	+)))
	14	+
9	9	=== Overcurrent ===
10	10
11		-The BMS Main 3 device performs the overcurrent protection depending on current sensor values.
	17	+The BMS Main 3 / BMS Main 2R device performs the overcurrent protection depending on current sensor values.
12	12
13	13	To change the overcurrent protection of the battery, select the "Protections → Overcurrent" section:
14	14
...	...	@@ -16,14 +16,14 @@
16	16
17	17	In this section:
18	18
19		-* Enable – a flag to enable the protection;
20		-* Maximum charging current, А;
21		-* Tolerant charging current, А;
22		-* Maximum discharging current, А;
23		-* Tolerant discharging current, А;
24		-* Delay before setting the error, millisecond;
25		-* Delay before clearing the error, second;
26		-* Lock – a flag to block the error until the device is restarted.
	25	+* **Enable **– a flag to enable the protection;
	26	+* **Maximum charging current**, А;
	27	+* **Tolerant charging current**, А;
	28	+* **Maximum discharging current**, А;
	29	+* **Tolerant discharging current**, А;
	30	+* **Delay before setting the error**, millisecond;
	31	+* **Delay before clearing the error**, second;
	32	+* **Lock **– a flag to block the error until the device is restarted.
27	27
28	28	As a result of operation of the overcurrent protection, the "Overcurrent" error is generated.
29	29
...	...	@@ -37,32 +37,47 @@
37	37	* the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
38	38	* the current is negative (discharging) or zero, and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
39	39
40		-(% class="box infomessage" %)
41		-(((
42		-If there is the "Overcurrent" error, the **charging **and **discharging **contactors open.
43		-)))
44		-
45	45	=== Charge current limit ===
46	46
47		-The BMS Main 3 device can check if the charging current exceeds the estimated limit based on the Charge map. If current is more than calculated maximum, "Current limit" error is generated.
	48	+The BMS Main 3 / BMS Main 2R device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48	48
	50	+Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
49	49
50	50	To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
51	51
52	52	[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
53	53
54		-* Enable – a flag to enable the protection;
55		-* Threshold to switch from Region 1 to Region 2
56		-*
	56	+* **Enable **– a flag to enable the protection;
	57	+* **Threshold to switch from Region 1 to Region 2** – a current value at which current excess calculation will be switched from absolute to relative difference, A;
	58	+* **Region 1: Current difference** – a value of maximum absolute current difference, A;
	59	+* **Region 2: Current difference** – a value of maximum relative current excess, A;
	60	+* **Delay before setting the error**, millisecond;
	61	+* **Delay before clearing the error**, second;
	62	+* **Lock **– a flag to block the error until the device is restarted.
57	57
58		-
59	59	=== Discharge current limit ===
60	60
61		-TBA
	66	+The BMS Main 3 / BMS Main 2R device can check if the discharging current exceeds the estimated limit based on the [[Discharge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HDischargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
62	62
	68	+Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
	69	+
	70	+To change the overcurrent protection of the battery, select the "Protections → Discharge current limit" section:
	71	+
	72	+[[image:1735225942893-869.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
	73	+
	74	+In this section:
	75	+
	76	+* **Enable **– a flag to enable the protection;
	77	+* **Threshold to switch from Region 1 to Region 2** – a current value at which current excess calculation will be switched from absolute to relative difference, A;
	78	+* **Region 1: Current difference** – a value of maximum absolute current difference, A;
	79	+* **Region 2: Current difference** – a value of maximum relative current excess, A;
	80	+* **Delay before setting the error**, millisecond;
	81	+* **Delay before clearing the error**, second;
	82	+* **Lock **– a flag to block the error until the device is restarted.
	83	+
63	63	=== Undervoltage ===
64	64
65		-The BMS Main 3 device implements battery protection from too low voltage on the cells.
	86	+The BMS Main 3 / BMS Main 2R device implements battery protection from too low voltage on the cells.
66	66
67	67	To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
68	68
...	...	@@ -70,13 +70,13 @@
70	70
71	71	In this section:
72	72
73		-* Enable – a flag to enable the protection;
74		-* Minimum cell voltage, V;
75		-* Tolerant cell voltage, V;
76		-* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
77		-* Delay before setting the error, millisecond;
78		-* Delay before clearing the error, second;
79		-* Lock – a flag to block the error until the device is restarted.
	94	+* **Enable **– a flag to enable the protection;
	95	+* **Minimum cell voltage**, V;
	96	+* **Tolerant cell voltage**, V;
	97	+* **Check the open circuit voltage instead of the actual voltage** – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
	98	+* **Delay before setting the error**, millisecond;
	99	+* **Delay before clearing the error**, second;
	100	+* **Lock **– a flag to block the error until the device is restarted.
80	80
81	81	As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
82	82
...	...	@@ -88,14 +88,9 @@
88	88
89	89	* the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
90	90
91		-(% class="box infomessage" %)
92		-(((
93		-If there is the "Undervoltage" error, the **discharging **contactor opens.
94		-)))
95		-
96	96	=== Overvoltage ===
97	97
98		-The BMS Main 3 device implements battery protection from too high voltage on the cells.
	114	+The BMS Main 3 / BMS Main 2R device implements battery protection from too high voltage on the cells.
99	99
100	100	To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
101	101
...	...	@@ -103,13 +103,13 @@
103	103
104	104	In this section:
105	105
106		-* Enable – a flag to enable the protection;
107		-* Maximum cell voltage, V;
108		-* Tolerant cell voltage, V;
109		-* Check the open circuit voltage instead of the actual voltage – a flag to enable the check of voltage correction due to current and cell resistance;
110		-* Delay before setting the error, millisecond;
111		-* Delay before clearing the error, second;
112		-* Lock – a flag to block the error until the device is restarted.
	122	+* **Enable **– a flag to enable the protection;
	123	+* **Maximum cell voltage**, V;
	124	+* **Tolerant cell voltage**, V;
	125	+* **Check the open circuit voltage instead of the actual voltage** – a flag to use the U,,ocv,, (corrected due to current and cell resistance) cell voltage;
	126	+* **Delay before setting the error**, millisecond;
	127	+* **Delay before clearing the error**, second;
	128	+* **Lock **– a flag to block the error until the device is restarted.
113	113
114	114	As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
115	115
...	...	@@ -121,14 +121,34 @@
121	121
122	122	* the maximum voltage among all cells of the battery is less than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
123	123
124		-(% class="box infomessage" %)
125		-(((
126		-If there is the "Overvoltage" error, the **charging** contactor and **discharging **contactor open (if the “Switch off the discharging contactor on error” flag is set).
127		-)))
	140	+=== Cell imbalance ===
128	128
	142	+The BMS Main 3 / BMS Main 2R device implements battery protection from too much cell imbalance. If balancing algorithm is not enough to compensate battery imbalance, then imbalance protection generates an error when imbalance is above estimated threshold.
	143	+
	144	+To change the battery protection parameters from cell imbalance, select the "Protections → Cell imbalance" section:
	145	+
	146	+[[image:1760437465709-702.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="133" width="800"]]In this section:
	147	+
	148	+* **Enable **– a flag to enable the protection;
	149	+* **Maximum cell imbalance**, V;
	150	+* **Tolerant cell imbalance**, V;
	151	+* **Delay before setting the error**, millisecond;
	152	+* **Delay before clearing the error**, second;
	153	+* **Lock **– a flag to block the error until the device is restarted.
	154	+
	155	+As a result of the operation of the battery protection from cell imbalance, the "Cell imbalance” error is generated.
	156	+
	157	+Error generation conditions:
	158	+
	159	+* the voltage difference between the most charged cell and the least charged cell is more than the “Maximum cell imbalance” value for the “Delay before setting the error” time.
	160	+
	161	+Conditions for removing the error:
	162	+
	163	+* the voltage difference between the most charged cell and the least charged cell is less than the “Tolerant cell imbalance” value for the “Delay before clearing the error” time.
	164	+
129	129	=== Low temperature ===
130	130
131		-The BMS Main 3 device implements battery protection from too low temperature.
	167	+The BMS Main 3 / BMS Main 2R device implements battery protection from too low temperature.
132	132
133	133	To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
134	134
...	...	@@ -136,14 +136,14 @@
136	136
137	137	In this section:
138	138
139		-* Enable – a flag to enable the protection;
140		-* Minimum charge temperature, °C;
141		-* Tolerant charge temperature, °C;
142		-* Minimum discharge temperature, °C;
143		-* Tolerant discharge temperature, °C;
144		-* Delay before setting the error, millisecond;
145		-* Delay before clearing the error, second;
146		-* Lock – a flag to block the error until the device is restarted.
	175	+* **Enable **– a flag to enable the protection;
	176	+* **Minimum charge temperature**, °C;
	177	+* **Tolerant charge temperature**, °C;
	178	+* **Minimum discharge temperature**, °C;
	179	+* **Tolerant discharge temperature**, °C;
	180	+* **Delay before setting the error**, millisecond;
	181	+* **Delay before clearing the error**, second;
	182	+* **Lock **– a flag to block the error until the device is restarted.
147	147
148	148	As a result of the operation of the battery protection from low temperature, the "Low temperature (CH)" and/or “Low temperature (DCH)” error are generated.
149	149
...	...	@@ -155,15 +155,9 @@
155	155
156	156	* the minimum temperature among all cells of the battery is greater than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
157	157
158		-(% class="box infomessage" %)
159		-(((
160		-If there is the "Low temperature (CH)" error, the **charging **contactor opens.
161		-If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
162		-)))
163		-
164	164	=== High temperature ===
165	165
166		-The BMS Main 3 device implements battery protection from too high temperature.
	196	+The BMS Main 3 / BMS Main 2R device implements battery protection from too high temperature.
167	167
168	168	To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
169	169
...	...	@@ -171,14 +171,14 @@
171	171
172	172	In this section:
173	173
174		-* Enable – a flag to enable the protection;
175		-* Maximum charge temperature, °C;
176		-* Tolerant charge temperature, °C;
177		-* Maximum discharge temperature, °C;
178		-* Tolerant discharge temperature, °C;
179		-* Delay before setting the error, millisecond;
180		-* Delay before clearing the error, second;
181		-* Lock – a flag to block the error until the device is restarted.
	204	+* **Enable **– a flag to enable the protection;
	205	+* **Maximum charge temperature**, °C;
	206	+* **Tolerant charge temperature**, °C;
	207	+* **Maximum discharge temperature**, °C;
	208	+* **Tolerant discharge temperature**, °C;
	209	+* **Delay before setting the error**, millisecond;
	210	+* **Delay before clearing the error**, second;
	211	+* **Lock **– a flag to block the error until the device is restarted.
182	182
183	183	As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
184	184
...	...	@@ -190,12 +190,6 @@
190	190
191	191	* the maximum temperature among all cells of the battery is less than the “Tolerant charging (discharging) temperature” value for the “Delay before clearing the error” time.
192	192
193		-(% class="box infomessage" %)
194		-(((
195		-If there is the "High temperature (CH)" error, the **charging **contactor opens.
196		-If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
197		-)))
198		-
199	199	=== Battery cover ===
200	200
201	201	To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
...	...	@@ -204,10 +204,10 @@
204	204
205	205	In this section:
206	206
207		-* Enable – a flag to enable the protection;
208		-* Delay before setting the error, millisecond;
209		-* Delay before clearing the error, second;
210		-* Lock – a flag to block the error until the device is restarted.
	231	+* **Enable** – a flag to enable the protection;
	232	+* **Delay before setting the error**, millisecond;
	233	+* **Delay before clearing the error**, second;
	234	+* **Lock **–Lock .
211	211
212	212	As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
213	213
...	...	@@ -221,12 +221,12 @@
221	221
222	222	(% class="box warningmessage" %)
223	223	(((
224		-If there is the "Battery cover error", the **“Critical error” **is generated **and all contactors open.**
	248	+If there is the "Battery cover error", the **“Critical error” **is generated**.**
225	225	)))
226	226
227	227	=== High humidity ===
228	228
229		-The BMS Main 3 can detect that the battery is operating in high humidity conditions.
	253	+The BMS Main 3 / BMS Main 2R can detect that the battery is operating in high humidity conditions.
230	230
231	231	To change the detection parameters, select the "Protections → High humidity" section:
232	232
...	...	@@ -234,12 +234,12 @@
234	234
235	235	In this section:
236	236
237		-* Enable – a flag to enable the detection;
238		-* Maximum humidity, RH%;
239		-* Tolerant humidity, RH%;
240		-* Delay before setting the error, second;
241		-* Delay before clearing the error, second;
242		-* Lock the error until the device is reset.
	261	+* **Enable **– a flag to enable the detection;
	262	+* **Maximum humidity**, RH%;
	263	+* **Tolerant humidity**, RH%;
	264	+* **Delay before setting the error**, second;
	265	+* **Delay before clearing the error**, second;
	266	+* **Lock **– lock the error until the device is reset.
243	243
244	244	As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
245	245
...	...	@@ -258,7 +258,7 @@
258	258
259	259	=== Water ===
260	260
261		-The BMS Main 3 can protect the battery from working in very high humidity conditions.
	285	+The BMS Main 3 / BMS Main 2R can protect the battery from working in very high humidity conditions.
262	262
263	263	To change the protection parameters, select the "Protections → Water" section:
264	264
...	...	@@ -283,9 +283,9 @@
283	283
284	284	* the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
285	285
286		-(% class="box infomessage" %)
	310	+(% class="box warningmessage" %)
287	287	(((
288		-If there is the “Water” error, the **“Critical error”** is generated and **all relays open**.
	312	+If there is the “Water” error, the **“Critical error”** is generated.
289	289	)))
290	290
291	291	=== Logic high temperature ===
...	...	@@ -322,11 +322,14 @@
322	322
323	323	To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
324	324
325		-[[image:1733328399416-818.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="86" width="800"]]
	349	+[[image:1755871522789-489.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
326	326
	351	+
327	327	In this section:
328	328
329	329	* Enable – a flag to enable the protection;
	355	+* Delay before setting the error, second;
	356	+* Delay before clearing the error, second;
330	330	* Lock – lock the error until the device is reset.
331	331
332	332	As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
...	...	@@ -341,7 +341,7 @@
341	341
342	342	(% class="box warningmessage" %)
343	343	(((
344		-If there is the "Logic offline" error, the **“Critical error” **is generated and **all relays open.**
	371	+If there is the "Logic offline" error, the **“Critical error” **is generated**.**
345	345	)))
346	346
347	347	=== Cell count ===
...	...	@@ -370,14 +370,43 @@
370	370
371	371	(% class="box warningmessage" %)
372	372	(((
373		-If there is the "Cell count error", the **“Critical error” **is generated and **all relays open.**
	400	+If there is the "Cell count error", the **“Critical error” **is generated**.**
374	374	)))
375	375
	403	+=== Temperature sensor count ===
	404	+
	405	+To change the protection parameters from the mismatch of the number of temperature sensors to the set value, select the "Protections → Temperature sensor count" section:
	406	+
	407	+[[image:1755871582533-550.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
	408	+
	409	+In this section:
	410	+
	411	+* Enable – a flag to enable the protection;
	412	+* Number of cells – a number of temperature sensors connected to the BMS;
	413	+* Delay before setting the error, millisecond;
	414	+* Delay before clearing the error, second;
	415	+* Lock – a flag to block the error until the device is restarted.
	416	+
	417	+As a result of the operation of the protection from the mismatch of the number of cells, the "T-sensor count error" is generated.
	418	+
	419	+Error generation conditions:
	420	+
	421	+* the number of temperature sensors connected to the BMS is **not equal** to the “Number of temperature sensors” value during the “Delay before setting the error” time.
	422	+
	423	+Conditions for removing the error:
	424	+
	425	+* the number of temperature sensors connected to the BMS is **equal** to the “Number of temperature sensors” value during the “Delay before clearing the error” time.
	426	+
	427	+(% class="box warningmessage" %)
	428	+(((
	429	+If there is the "T-sensor count error", the **“Critical error” **is generated**.**
	430	+)))
	431	+
376	376	=== Logic count ===
377	377
378	378	To change the protection parameters from the mismatch of the number of BMS Logic devices to the set value, select the "Protections → Logic count” section:
379	379
380		-[[image:1733328415732-163.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="110" width="800"]]
	436	+[[image:1762425434368-516.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="125" width="800"]]
381	381
382	382	In this section:
383	383
...	...	@@ -384,6 +384,8 @@
384	384	* Enable – a flag to enable the protection;
385	385	* Logic count – a number of BMS Logic devices connected to the BMS Main;
386	386	* Scan fast – a flag to scan BMS Logic devices fast (devices with addresses from 1 to “Logic count” are scanned; this mode reduces BMS system startup time);
	443	+* Delay before setting the error – a delay before setting the error //during initialization//, millisecond;
	444	+* Delay before clearing the error– a delay before clearing the error //during initialization//, second;
387	387	* Lock – lock the error until the device is reset.
388	388
389	389	As a result of the operation of the protection from the mismatch of the number of BMS Logic devices, the "Logic count error" is generated.
...	...	@@ -390,20 +390,22 @@
390	390
391	391	Error generation conditions:
392	392
393		-* the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
	451	+* during the initialization BMS Main 3 / BMS Main 2R have not found required number of BMS Logic devices during the "Delay before setting the error" time;
	452	+* after the initialization the number of BMS Logic devices connected to the BMS Main is **not equal** to the “Logic count” value.
394	394
395	395	Conditions for removing the error:
396	396
397		-* the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
	456	+* during the initialization BMS Main 3 / BMS Main 2R have found required number of BMS Logic devices and the "Delay before setting the error" time has passed;
	457	+* after the initialization the number of BMS Logic devices connected to the BMS Main is **equal** to the “Logic count” value.
398	398
399	399	(% class="box warningmessage" %)
400	400	(((
401		-If there is the "Logic count error", the **“Critical error”** is generated and **all relays open.**
	461	+If there is the "Logic count error", the **“Critical error”** is generated.
402	402	)))
403	403
404	404	=== Short circuit ===
405	405
406		-The BMS Main 3 device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
	466	+The BMS Main 3 / BMS Main 2R device implements the protection of power circuits (contactors, power wires) against overheating caused by the flow of high current for a long time.
407	407
408	408	To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
409	409
...	...	@@ -428,14 +428,9 @@
428	428
429	429	* the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
430	430
431		-(% class="box infomessage" %)
432		-(((
433		-If there is the "Short circuit" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error flag” is set).
434		-)))
435		-
436	436	=== High contactor temperature ===
437	437
438		-The BMS Main 3 device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
	493	+The BMS Main 3 / BMS Main 2R device protects power contactors from overheating. To measure the temperature of the contactor, one of the thermistors connected to the X5 connector is used.
439	439
440	440	To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
441	441
...	...	@@ -461,14 +461,9 @@
461	461
462	462	* the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
463	463
464		-(% class="box infomessage" %)
465		-(((
466		-If there is the "High contactor temperature" error, **charging **contactor opens (if the “Switch off the charging contactor on error” flag is set) and **discharging **contactor opens (if the “Switch off the discharging contactor on error” flag is set).
467		-)))
468		-
469	469	=== Current sensor ===
470	470
471		-The BMS Main 3 device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
	521	+The BMS Main 3 / BMS Main 2R device checks the current sensor connection circuits. The circuits are checked for breakage and short-circuit to the +5 V supply line.
472	472
473	473	To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
474	474
...	...	@@ -497,12 +497,12 @@
497	497
498	498	(% class="box warningmessage" %)
499	499	(((
500		-If there is the “Current sensor error”, the **“Critical error” **is generated and **all relays open.**
	550	+If there is the “Current sensor error”, the **“Critical error” **is generated.
501	501	)))
502	502
503	503	=== Power switch ===
504	504
505		-BMS Main 3 device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
	555	+BMS Main 3 / BMS Main 2R device checks the status of power switches that are used to control the contactors. To change the parameters of the power switch protection, select the "Protections → Power switch" section:
506	506
507	507	[[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
508	508
...	...	@@ -515,16 +515,42 @@
515	515
516	516	(% class="box warningmessage" %)
517	517	(((
518		-If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
	568	+If there is the "Power switch error", the **“Critical error” **is generated.
519	519	)))
520	520
521	521	=== Power fault ===
522	522
523		-TBA
	573	+BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
524	524
	575	+(% class="box infomessage" %)
	576	+(((
	577	+**Note:** this error can be configured only under** "Service" account**.
	578	+)))
	579	+
	580	+To change the parameters of the power fault error, select the "Protections → Power fault" section:
	581	+
	582	+[[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
	583	+
	584	+In this section:
	585	+
	586	+* Enable – a flag to enable the protection;
	587	+* Delay before setting the error, millisecond;
	588	+* Time to keep power off, millisecond;
	589	+* Delay before clearing the error, millisecond;
	590	+* Lock – a flag to block the error until the device is restarted.
	591	+
	592	+The “Power fault” occurs when the device detects a shortage or high power consumption in power supplies mentioned above. After that BMS turns off the corresponding power supply for "Time to keep power off", then it tries to enable power again.
	593	+
	594	+Error is removed when the power consumption is normal during “Delay before clearing the error” time.
	595	+
	596	+(% class="box warningmessage" %)
	597	+(((
	598	+If there is the "Power fault", the **“Critical error” **is generated.
	599	+)))
	600	+
525	525	=== Charge contactor cycles ===
526	526
527		-The BMS Main 3 device protects the charging contactor against frequent switching.
	603	+The BMS Main 3 / BMS Main 2R device protects the charging contactor against frequent switching.
528	528
529	529	To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
530	530
...	...	@@ -549,14 +549,9 @@
549	549
550	550	* the “Delay before clearing the error” time has passed since the error was generated.
551	551
552		-(% class="box infomessage" %)
553		-(((
554		-If there is the "CH contactor cycles error" error, the **charging **contactor opens.
555		-)))
556		-
557	557	=== Discharge contactor cycles ===
558	558
559		-The BMS Main 3 device protects the discharging contactor against frequent switching.
	630	+The BMS Main 3 / BMS Main 2R device protects the discharging contactor against frequent switching.
560	560
561	561	To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
562	562
...	...	@@ -581,14 +581,9 @@
581	581
582	582	* the “Delay before clearing the error” time has passed since the error was generated.
583	583
584		-(% class="box infomessage" %)
585		-(((
586		-If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
587		-)))
588		-
589	589	=== Temperature sensors ===
590	590
591		-The BMS Main 3 device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
	657	+The BMS Main 3 / BMS Main 2R device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
592	592
593	593	To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
594	594
...	...	@@ -605,7 +605,7 @@
605	605
606	606	(% class="box warningmessage" %)
607	607	(((
608		-If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated and **all relays open.**
	674	+If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated.
609	609	)))
610	610
611	611	=== WDT reset ===
...	...	@@ -628,7 +628,7 @@
628	628
629	629	(% class="box warningmessage" %)
630	630	(((
631		-If there is the "WDT reset" error, the **“Critical error” **is generated and **all relays open.**
	697	+If there is the "WDT reset" error, the **“Critical error” **is generated.
632	632	)))
633	633
634	634	=== Unallowable charging ===
...	...	@@ -656,14 +656,9 @@
656	656
657	657	* the battery current is zero during the “Delay before clearing the error” time.
658	658
659		-(% class="box infomessage" %)
660		-(((
661		-If there is the "Unallowable charging" error, the **discharging **contactor opens.
662		-)))
663		-
664	664	=== Stuck contactor ===
665	665
666		-The BMS Main 3 device protects contactors against sticking.
	727	+The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
667	667
668	668	To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
669	669
...	...	@@ -684,12 +684,12 @@
684	684
685	685	(% class="box warningmessage" %)
686	686	(((
687		-If there is the “Stuck contactor” error, the **“Critical error” **is generated and **all relays open.**
	748	+If there is the “Stuck contactor” error, the **“Critical error” **is generated.
688	688	)))
689	689
690	690	=== Contactor feedback ===
691	691
692		-The BMS Main 3 device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
	753	+The BMS Main 3 / BMS Main 2R device can receive feedback signals from contactors and detect discrepancy between the control value and the feedback signal. To enable specific contactor protection, the feedback signal must be connected to the corresponding contactor feedback pin on the X3 header.
693	693
694	694	To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
695	695
...	...	@@ -708,12 +708,12 @@
708	708
709	709	(% class="box warningmessage" %)
710	710	(((
711		-If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
	772	+If there is the “Contactor feedback” error, the **“Critical error” **is generated.
712	712	)))
713	713
714	714	=== Insulation ===
715	715
716		-The BMS Main 3 device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
	777	+The BMS Main 3 / BMS Main 2R device can detect a physical signal or CAN bus message from an external insulation monitoring device (such as Bender IR155, iso165C, BMD IMD) to monitor the insulation quality.
717	717
718	718	To change the insulation monitoring parameters, select the "Protections → Insulation" section:
719	719
...	...	@@ -734,12 +734,12 @@
734	734
735	735	(% class="box warningmessage" %)
736	736	(((
737		-If there is the “Insulation fault”, the **“Critical error”** is generated and **all relays open.**
	798	+If there is the “Insulation fault”, the **“Critical error”** is generated.
738	738	)))
739	739
740	740	=== HVIL ===
741	741
742		-The BMS Main 3 allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
	803	+The BMS Main 3 / BMS Main 2R allows to control the high voltage interlock loop by applying current to a testing loop and monitoring the difference between the measured current and the required value.
743	743
744	744	To change the HVIL measurement parameters, select the "Protections → HVIL" section:
745	745
...	...	@@ -754,58 +754,66 @@
754	754	* Source is ON: Upper current limit, A;
755	755	* Lock – a flag to block the error until the device is restarted.
756	756
757		-If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated. Error clears if interlock loop is being restored.
	818	+If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
758	758
	820	+Error clears if interlock loop is being restored.
	821	+
759	759	(% class="box warningmessage" %)
760	760	(((
761		-If there is the “HVIL error”, the **“Critical error”** is generated and **all relays open.**
	824	+If there is the “HVIL error”, the **“Critical error”** is generated.
762	762	)))
763	763
764		-=== Critical error ===
	827	+=== Battery voltage ===
765	765
766		-To change the critical error parameters, select the "Protections → Critical error" section:
	829	+The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
767	767
768		-[[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
	831	+To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
769	769
	833	+[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
	834	+
770	770	In this section:
771	771
772	772	* Enable – a flag to enable the protection;
773		-* Delay before setting the error, millisecond;
	838	+* Abnormal voltage difference – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
	839	+* Delay before setting the error, second;
774	774	* Delay before clearing the error, second;
775	775	* Lock – a flag to block the error until the device is restarted.
776	776
777		-The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
	843	+If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
778	778
779		-* “Battery cover error”;
780		-* “Water”;
781		-* “Logic offline”;
782		-* “Cell count error”;
783		-* “ADC error”;
784		-* “Current sensor error”;
785		-* “Shunt offline”;
786		-* “Shunt error”;
787		-* “WDT reset”
788		-* “No temp. sensors”;
789		-* “Temperature sensor shorted”;
790		-* “Stuck contactor”;
791		-* “CH contactor feedback error”;
792		-* “DCH contactor feedback error”;
793		-* “Insulation fault”;
794		-* “PCH contactor feedback error”;
795		-* “CH/DCH contactor feedback error”;
796		-* “Main contactor feedback error”;
797		-* “High voltage fault”;
798		-* “Power switch error”;
799		-* “HVIL error”l
800		-* “Power fault”.
	845	+Error generation conditions:
801	801
802		-The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
	847	+* difference between sum of all cell voltages and voltage measured before the contactors is **more **than "Abnormal voltage difference" value during "Delay before setting the error" time.
803	803
804		-(% class="box infomessage" %)
	849	+Conditions for removing the error:
	850	+
	851	+* difference between sum of all cell voltages and voltage measured before the contactors is **less **than "Abnormal voltage difference" value during "Delay before clearing the error" time.
	852	+
	853	+(% class="box warningmessage" %)
805	805	(((
806		-If there is the “Critical error”, **all **contactors open.
	855	+If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
807	807	)))
808	808
	858	+=== Critical error ===
	859	+
	860	+Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
	861	+
	862	+To change the critical error parameters, select the "Protections → Critical error" section:
	863	+
	864	+[[image:1762775547945-129.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
	865	+
	866	+In this section:
	867	+
	868	+* Enable – a flag to enable the protection;
	869	+* Delay before setting the error, millisecond;
	870	+* Delay before clearing the error, second;
	871	+* Errors 1, 2 to to ignore when setting the critical error;
	872	+* Lock – a flag to block the error until the device is restarted.
	873	+
	874	+The "Critical error" signal is generated if at least one of the critical errors (see [[Errors>>doc:Battery management systems.Additional information.1\. Battery controllers\: signals and errors.WebHome||anchor="HErrors"]]) is generated during the “Delay before setting the error” time.
	875	+
	876	+The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
	877	+
809	809	=== General error ===
810	810
811	811	To change the general error parameters, select the "Protections → Critical error" section:
...	...	@@ -820,11 +820,11 @@
820	820	* Lock – a flag to block the error until the device is restarted;
821	821	* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
822	822
823		-The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
	892	+The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
824	824
825	825	The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
826	826
827	827	(% class="box infomessage" %)
828	828	(((
829		-The state of the “General error” can be output to a discrete output or a power switch.
	898	+The state of the “General error” can be assigned to a discrete output or to a power switch.
830	830	)))

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