Changes for page 3.4 Protections

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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
15		-[[image:1733328382376-958.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
	21	+[[image:1735224601506-488.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="123" width="800"]]
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
...	...	@@ -37,22 +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		-TBA
	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.
	51	+
	52	+To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
	53	+
	54	+[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
	55	+
	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.
	63	+
49	49	=== Discharge current limit ===
50	50
51		-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.
52	52
	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	+
53	53	=== Undervoltage ===
54	54
55		-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.
56	56
57	57	To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
58	58
...	...	@@ -60,13 +60,13 @@
60	60
61	61	In this section:
62	62
63		-* Enable – a flag to enable the protection;
64		-* Minimum cell voltage, V;
65		-* Tolerant cell voltage, V;
66		-* 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;
67		-* Delay before setting the error, millisecond;
68		-* Delay before clearing the error, second;
69		-* 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.
70	70
71	71	As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
72	72
...	...	@@ -78,14 +78,9 @@
78	78
79	79	* 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.
80	80
81		-(% class="box infomessage" %)
82		-(((
83		-If there is the "Undervoltage" error, the **discharging **contactor opens.
84		-)))
85		-
86	86	=== Overvoltage ===
87	87
88		-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.
89	89
90	90	To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
91	91
...	...	@@ -93,13 +93,13 @@
93	93
94	94	In this section:
95	95
96		-* Enable – a flag to enable the protection;
97		-* Maximum cell voltage, V;
98		-* Tolerant cell voltage, V;
99		-* 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;
100		-* Delay before setting the error, millisecond;
101		-* Delay before clearing the error, second;
102		-* 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.
103	103
104	104	As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
105	105
...	...	@@ -111,14 +111,34 @@
111	111
112	112	* 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.
113	113
114		-(% class="box infomessage" %)
115		-(((
116		-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).
117		-)))
	140	+=== Cell imbalance ===
118	118
	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	+
119	119	=== Low temperature ===
120	120
121		-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.
122	122
123	123	To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
124	124
...	...	@@ -126,14 +126,14 @@
126	126
127	127	In this section:
128	128
129		-* Enable – a flag to enable the protection;
130		-* Minimum charge temperature, °C;
131		-* Tolerant charge temperature, °C;
132		-* Minimum discharge temperature, °C;
133		-* Tolerant discharge temperature, °C;
134		-* Delay before setting the error, millisecond;
135		-* Delay before clearing the error, second;
136		-* 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.
137	137
138	138	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.
139	139
...	...	@@ -145,15 +145,9 @@
145	145
146	146	* 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.
147	147
148		-(% class="box infomessage" %)
149		-(((
150		-If there is the "Low temperature (CH)" error, the **charging **contactor opens.
151		-If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
152		-)))
153		-
154	154	=== High temperature ===
155	155
156		-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.
157	157
158	158	To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
159	159
...	...	@@ -161,14 +161,14 @@
161	161
162	162	In this section:
163	163
164		-* Enable – a flag to enable the protection;
165		-* Maximum charge temperature, °C;
166		-* Tolerant charge temperature, °C;
167		-* Maximum discharge temperature, °C;
168		-* Tolerant discharge temperature, °C;
169		-* Delay before setting the error, millisecond;
170		-* Delay before clearing the error, second;
171		-* 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.
172	172
173	173	As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
174	174
...	...	@@ -180,12 +180,6 @@
180	180
181	181	* 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.
182	182
183		-(% class="box infomessage" %)
184		-(((
185		-If there is the "High temperature (CH)" error, the **charging **contactor opens.
186		-If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
187		-)))
188		-
189	189	=== Battery cover ===
190	190
191	191	To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
...	...	@@ -194,10 +194,10 @@
194	194
195	195	In this section:
196	196
197		-* Enable – a flag to enable the protection;
198		-* Delay before setting the error, millisecond;
199		-* Delay before clearing the error, second;
200		-* 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 **– a flag to block the error until the device is restarted.
201	201
202	202	As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
203	203
...	...	@@ -211,12 +211,12 @@
211	211
212	212	(% class="box warningmessage" %)
213	213	(((
214		-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**.**
215	215	)))
216	216
217	217	=== High humidity ===
218	218
219		-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.
220	220
221	221	To change the detection parameters, select the "Protections → High humidity" section:
222	222
...	...	@@ -224,12 +224,12 @@
224	224
225	225	In this section:
226	226
227		-* Enable – a flag to enable the detection;
228		-* Maximum humidity, RH%;
229		-* Tolerant humidity, RH%;
230		-* Delay before setting the error, second;
231		-* Delay before clearing the error, second;
232		-* 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 **– a flag to block the error until the device is restarted.
233	233
234	234	As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
235	235
...	...	@@ -248,7 +248,7 @@
248	248
249	249	=== Water ===
250	250
251		-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.
252	252
253	253	To change the protection parameters, select the "Protections → Water" section:
254	254
...	...	@@ -256,12 +256,12 @@
256	256
257	257	In this section:
258	258
259		-* Enable – a flag to enable the protection;
260		-* Maximum humidity, RH%;
261		-* Tolerant humidity, RH%;
262		-* Delay before setting the error, second;
263		-* Delay before clearing the error, second;
264		-* Lock – lock the error until the device is reset.
	293	+* **Enable **– a flag to enable the protection;
	294	+* **Maximum humidity**, RH%;
	295	+* **Tolerant humidity**, RH%;
	296	+* **Delay before setting the error**, second;
	297	+* **Delay before clearing the error**, second;
	298	+* **Lock **– lock the error until the device is reset.
265	265
266	266	As a result of the operation of the battery protection from water, the "Water" error is generated.
267	267
...	...	@@ -273,9 +273,9 @@
273	273
274	274	* the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
275	275
276		-(% class="box infomessage" %)
	310	+(% class="box warningmessage" %)
277	277	(((
278		-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.
279	279	)))
280	280
281	281	=== Logic high temperature ===
...	...	@@ -286,12 +286,12 @@
286	286
287	287	In this section:
288	288
289		-* Enable – a flag to enable the protection;
290		-* Maximum temperature, °C;
291		-* Tolerant temperature, °C;
292		-* Delay before setting the error, second;
293		-* Delay before clearing the error, second;
294		-* Lock – lock the error until the device is reset.
	323	+* **Enable **– a flag to enable the protection;
	324	+* **Maximum temperature**, °C;
	325	+* **Tolerant temperature**, °C;
	326	+* **Delay before setting the error**, second;
	327	+* **Delay before clearing the error**, second;
	328	+* **Lock **– lock the error until the device is reset.
295	295
296	296	As a result of the operation of the protection from high temperatures of BMS Logic devices, the "High Logic temperature" is generated.
297	297
...	...	@@ -312,12 +312,15 @@
312	312
313	313	To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
314	314
315		-[[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"]]
316	316
	351	+
317	317	In this section:
318	318
319		-* Enable – a flag to enable the protection;
320		-* Lock – lock the error until the device is reset.
	354	+* **Enable **– a flag to enable the protection;
	355	+* **Delay before setting the error**, second;
	356	+* **Delay before clearing the error**, second;
	357	+* **Lock **– lock the error until the device is reset.
321	321
322	322	As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
323	323
...	...	@@ -331,7 +331,7 @@
331	331
332	332	(% class="box warningmessage" %)
333	333	(((
334		-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**.**
335	335	)))
336	336
337	337	=== Cell count ===
...	...	@@ -342,11 +342,11 @@
342	342
343	343	In this section:
344	344
345		-* Enable – a flag to enable the protection;
346		-* Number of cells – a number of cells connected to the BMS;
347		-* Delay before setting the error, millisecond;
348		-* Delay before clearing the error, second;
349		-* Lock – a flag to block the error until the device is restarted.
	382	+* **Enable** – a flag to enable the protection;
	383	+* **Number of cells** – a number of cells connected to the BMS;
	384	+* **Delay before setting the error**, millisecond;
	385	+* **Delay before clearing the error**, second;
	386	+* **Lock **– a flag to block the error until the device is restarted.
350	350
351	351	As a result of the operation of the protection from the mismatch of the number of cells, the "Cell count error" is generated.
352	352
...	...	@@ -360,55 +360,86 @@
360	360
361	361	(% class="box warningmessage" %)
362	362	(((
363		-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**.**
364	364	)))
365	365
	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	+
366	366	=== Logic count ===
367	367
368	368	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:
369	369
370		-[[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"]]
371	371
372	372	In this section:
373	373
374		-* Enable – a flag to enable the protection;
375		-* Logic count – a number of BMS Logic devices connected to the BMS Main;
376		-* 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);
377		-* Lock – lock the error until the device is reset.
	440	+* **Enable **– a flag to enable the protection;
	441	+* **Logic count** – a number of BMS Logic devices connected to the BMS Main;
	442	+* **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;
	445	+* **Lock** – lock the error until the device is reset.
378	378
379	379	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.
380	380
381	381	Error generation conditions:
382	382
383		-* 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.
384	384
385	385	Conditions for removing the error:
386	386
387		-* 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.
388	388
389	389	(% class="box warningmessage" %)
390	390	(((
391		-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.
392	392	)))
393	393
394	394	=== Short circuit ===
395	395
396		-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.
397	397
398	398	To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
399	399
400		-[[image:1733328415733-309.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="210" width="800"]]
	470	+[[image:1735224667621-969.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="800"]]
401	401
402	402	In this section:
403	403
404		-* Level 1, 2, 3 – three protection levels. The following parameters are configured at each level:
405		-** Enable – a flag to enable the protection;
406		-** Maximum current, A;
407		-** Delay before setting the error, second;
408		-* Switch off the charging contactor on error – a flag to open the charging contactor when the "Short circuit" error occurs;
409		-* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "Short circuit" error occurs;
410		-* Delay before clearing the error, second;
411		-* Lock – a flag to block the error until the device is restarted.
	474	+* **Level 1, 2, 3** – three protection levels. The following parameters are configured at each level:
	475	+** **Enable **– a flag to enable the protection;
	476	+** **Maximum current**, A;
	477	+** **Delay before setting the error**, second;
	478	+* **Delay before clearing the error**, second;
	479	+* **Lock **– a flag to block the error until the device is restarted.
412	412
413	413	If there is a short circuit, the "Short circuit" error is generated.
414	414
...	...	@@ -420,30 +420,23 @@
420	420
421	421	* the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
422	422
423		-(% class="box infomessage" %)
424		-(((
425		-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).
426		-)))
427		-
428	428	=== High contactor temperature ===
429	429
430		-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.
431	431
432	432	To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
433	433
434		-[[image:1733328415734-986.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
	497	+[[image:1735224706573-347.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="112" width="800"]]
435	435
436	436	In this section:
437	437
438		-* Enable – a flag to enable the protection;
439		-* Thermistor – a selection of which cell thermistor will be used as contactor temperature sensor;
440		-* Maximum contactor temperature, °C;
441		-* Tolerant contactor temperature, °C;
442		-* Delay before setting the error, second;
443		-* Switch off the charging contactor on error – a flag to open the charging contactor when the "High contactor temperature" error occurs;
444		-* Switch off the discharging contactor on error – a flag to open the discharging contactor when the "High contactor temperature" error occurs;
445		-* Delay before clearing the error, second;
446		-* Lock – a flag to block the error until the device is restarted.
	501	+* **Enable** – a flag to enable the protection;
	502	+* **Thermistor **– a selection of which cell thermistor will be used as contactor temperature sensor;
	503	+* **Maximum contactor temperature**, °C;
	504	+* **Tolerant contactor temperature**, °C;
	505	+* **Delay before setting the error**, second;
	506	+* **Delay before clearing the error**, second;
	507	+* **Lock **– a flag to block the error until the device is restarted.
447	447
448	448	If there is a contactor overheat, the "High contactor temperature" error is generated.
449	449
...	...	@@ -455,14 +455,9 @@
455	455
456	456	* the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
457	457
458		-(% class="box infomessage" %)
459		-(((
460		-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).
461		-)))
462		-
463	463	=== Current sensor ===
464	464
465		-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.
466	466
467	467	To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
468	468
...	...	@@ -470,13 +470,13 @@
470	470
471	471	In this section:
472	472
473		-* Enable – a flag to enable the protection;
474		-* Maximum voltage, V;
475		-* Minimum voltage, V;
476		-* Voltage hysteresis – a hysteresis value to clear the error, V;
477		-* Delay before setting the error, second;
478		-* Delay before clearing the error, second;
479		-* Lock – a flag to block the error until the device is restarted.
	529	+* **Enable **– a flag to enable the protection;
	530	+* **Maximum voltage**, V;
	531	+* **Minimum voltage**, V;
	532	+* **Voltage hysteresis** – a hysteresis value to clear the error, V;
	533	+* **Delay before setting the error**, second;
	534	+* **Delay before clearing the error**, second;
	535	+* **Lock **– a flag to block the error until the device is restarted.
480	480
481	481	If there is an open or short circuit connection of a current sensor, the "Current sensor error" is generated.
482	482
...	...	@@ -491,11 +491,16 @@
491	491
492	492	(% class="box warningmessage" %)
493	493	(((
494		-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.
495	495	)))
496	496
497	497	=== Power switch ===
498	498
	555	+(% class="box warningmessage" %)
	556	+(((
	557	+This section is not available on BMS Main 2R.
	558	+)))
	559	+
499	499	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:
500	500
501	501	[[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
...	...	@@ -502,23 +502,54 @@
502	502
503	503	In this section:
504	504
505		-* Delay before clearing the error, second;
506		-* Lock – a flag to block the error until the device is restarted.
	566	+* **Delay before clearing the error**, second;
	567	+* **Lock **– a flag to block the error until the device is restarted.
507	507
508	508	The “Power switch error” occurs when the device detects a shortage in contactor coil control circuit or an overheating of the power switch. Error is removed when the temperature of power switch is normal during “Delay before clearing the error” time.
509	509
510	510	(% class="box warningmessage" %)
511	511	(((
512		-If there is the "Power switch error", the **“Critical error” **is generated and **all relays open.**
	573	+If there is the "Power switch error", the **“Critical error” **is generated.
513	513	)))
514	514
515	515	=== Power fault ===
516	516
517		-TBA
	578	+(% class="box infomessage" %)
	579	+(((
	580	+This section is not available on BMS Main 2R.
	581	+)))
518	518
	583	+BMS Main 3 device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
	584	+
	585	+(% class="box infomessage" %)
	586	+(((
	587	+**Note:** this error can be configured only under** "Service" account**.
	588	+)))
	589	+
	590	+To change the parameters of the power fault error, select the "Protections → Power fault" section:
	591	+
	592	+[[image:1739284154410-676.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="96" width="800"]]
	593	+
	594	+In this section:
	595	+
	596	+* **Enable **– a flag to enable the protection;
	597	+* **Delay before setting the error**, millisecond;
	598	+* **Time to keep power off**, millisecond;
	599	+* **Delay before clearing the error**, millisecond;
	600	+* **Lock **– a flag to block the error until the device is restarted.
	601	+
	602	+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.
	603	+
	604	+Error is removed when the power consumption is normal during “Delay before clearing the error” time.
	605	+
	606	+(% class="box warningmessage" %)
	607	+(((
	608	+If there is the "Power fault", the **“Critical error” **is generated.
	609	+)))
	610	+
519	519	=== Charge contactor cycles ===
520	520
521		-The BMS Main 3 device protects the charging contactor against frequent switching.
	613	+The BMS Main 3 / BMS Main 2R device protects the charging contactor against frequent switching.
522	522
523	523	To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
524	524
...	...	@@ -526,12 +526,12 @@
526	526
527	527	In this section:
528	528
529		-* Enable – a flag to enable the protection;
530		-* Cycles threshold – a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
531		-* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
532		-* Delay before setting the error, millisecond;
533		-* Delay before clearing the error, second;
534		-* Lock – a flag to block the error until the device is restarted.
	621	+* **Enable **– a flag to enable the protection;
	622	+* **Cycles threshold **– a number of cycles in a given period, upon which the “CH contactor cycles error” is generated;
	623	+* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
	624	+* **Delay before setting the error**, millisecond;
	625	+* **Delay before clearing the error**, second;
	626	+* **Lock **– a flag to block the error until the device is restarted.
535	535
536	536	If there is a high switching frequency of the charging contactor, the “CH contactor cycles error” is generated.
537	537
...	...	@@ -543,14 +543,9 @@
543	543
544	544	* the “Delay before clearing the error” time has passed since the error was generated.
545	545
546		-(% class="box infomessage" %)
547		-(((
548		-If there is the "CH contactor cycles error" error, the **charging **contactor opens.
549		-)))
550		-
551	551	=== Discharge contactor cycles ===
552	552
553		-The BMS Main 3 device protects the discharging contactor against frequent switching.
	640	+The BMS Main 3 / BMS Main 2R device protects the discharging contactor against frequent switching.
554	554
555	555	To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
556	556
...	...	@@ -558,12 +558,12 @@
558	558
559	559	In this section:
560	560
561		-* Enable – a flag to enable the protection;
562		-* Cycles threshold – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
563		-* Check time – a time in which the BMS counts switching cycles of the charging contactor, second;
564		-* Delay before setting the error, millisecond;
565		-* Delay before clearing the error, second;
566		-* Lock – a flag to block the error until the device is restarted.
	648	+* **Enable **– a flag to enable the protection;
	649	+* **Cycles threshold** – a number of cycles in a given period, upon which the “DCH contactor cycles error” is generated;
	650	+* **Check time** – a time in which the BMS counts switching cycles of the charging contactor, second;
	651	+* **Delay before setting the error**, millisecond;
	652	+* **Delay before clearing the error**, second;
	653	+* **Lock **– a flag to block the error until the device is restarted.
567	567
568	568	If there is the high switching frequency of the discharging contactor, the “DCH contactor cycles error” is generated.
569	569
...	...	@@ -575,14 +575,9 @@
575	575
576	576	* the “Delay before clearing the error” time has passed since the error was generated.
577	577
578		-(% class="box infomessage" %)
579		-(((
580		-If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
581		-)))
582		-
583	583	=== Temperature sensors ===
584	584
585		-The BMS Main 3 device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
	667	+The BMS Main 3 / BMS Main 2R device checks the temperature sensors connection circuits. The circuits are checked for breakage and short-circuit.
586	586
587	587	To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
588	588
...	...	@@ -590,21 +590,21 @@
590	590
591	591	In this section:
592	592
593		-* Enable – a flag to enable the protection;
594		-* Delay before setting the error, millisecond;
595		-* Delay before clearing the error, second;
596		-* Lock – a flag to block the error until the device is restarted.
	675	+* **Enable **– a flag to enable the protection;
	676	+* **Delay before setting the error**, millisecond;
	677	+* **Delay before clearing the error**, second;
	678	+* **Lock **– a flag to block the error until the device is restarted.
597	597
598	598	If there are no temperature sensors connected to any BMS Logic device or any temperature sensor of the BMS Logic is shorted, the "No temp. sensors" error and "Temp. sensor is shorted" error are generated respectively. These errors generated and removed with the “Delay before setting the error” and “Delay before clearing the error” delays.
599	599
600	600	(% class="box warningmessage" %)
601	601	(((
602		-If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated and **all relays open.**
	684	+If there is the “No temp. sensors” or “Temp. sensor is shorted” error, the **“Critical error”** is generated.
603	603	)))
604	604
605	605	=== WDT reset ===
606	606
607		-If the BMS firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
	689	+If the BMS Main 3 / BMS Main 2R firmware hangs, the watchdog timer resets the device. The BMS can detect that the device was reset and generates the “WDT reset” error.
608	608
609	609	To change the parameters of the watchdog protection, select the "Protections → WDT reset" section:
610	610
...	...	@@ -612,9 +612,9 @@
612	612
613	613	In this section:
614	614
615		-* Enable – a flag to enable the protection;
616		-* Delay before clearing the error, second;
617		-* Lock – a flag to block the error until the device is restarted.
	697	+* **Enable **– a flag to enable the protection;
	698	+* **Delay before clearing the error**, second;
	699	+* **Lock **– a flag to block the error until the device is restarted.
618	618
619	619	Conditions for removing the error:
620	620
...	...	@@ -622,12 +622,12 @@
622	622
623	623	(% class="box warningmessage" %)
624	624	(((
625		-If there is the "WDT reset" error, the **“Critical error” **is generated and **all relays open.**
	707	+If there is the "WDT reset" error, the **“Critical error” **is generated.
626	626	)))
627	627
628	628	=== Unallowable charging ===
629	629
630		-The BMS can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
	712	+The BMS Main 3 / BMS Main 2R device can detect that the battery is charging through the discharging circuit and protectively open the discharging contactor to prevent unallowable battery operation.
631	631
632	632	To change the parameters of the unallowable charging protection, select the "Protections → Unallowable charging" section:
633	633
...	...	@@ -635,10 +635,10 @@
635	635
636	636	In this section:
637	637
638		-* Enable – a flag to enable the protection;
639		-* Delay before setting the error, second;
640		-* Delay before clearing the error, second;
641		-* Lock – a flag to block the error until the device is restarted.
	720	+* **Enable **– a flag to enable the protection;
	721	+* **Delay before setting the error**, second;
	722	+* **Delay before clearing the error**, second;
	723	+* **Lock** – a flag to block the error until the device is restarted.
642	642
643	643	If there is charging the battery through the discharging circuit detected, the "Unallowable charging" error is generated.
644	644
...	...	@@ -650,14 +650,9 @@
650	650
651	651	* the battery current is zero during the “Delay before clearing the error” time.
652	652
653		-(% class="box infomessage" %)
654		-(((
655		-If there is the "Unallowable charging" error, the **discharging **contactor opens.
656		-)))
657		-
658	658	=== Stuck contactor ===
659	659
660		-The BMS Main 3 device protects contactors against sticking.
	737	+The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
661	661
662	662	To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
663	663
...	...	@@ -665,12 +665,12 @@
665	665
666	666	In this section:
667	667
668		-* Enable – a flag to enable the protection;
669		-* Delay before setting the error, millisecond;
670		-* Delay before clearing the error, second;
671		-* Check voltage – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
672		-* Abnormal voltage difference – the difference of voltages before and after contactors at which BMS indicates and error;
673		-* Lock – a flag to block the error until the device is restarted.
	745	+* **Enable **– a flag to enable the protection;
	746	+* **Delay before setting the error**, millisecond;
	747	+* **Delay before clearing the error**, second;
	748	+* **Check voltage** – a flag to enable checking of voltage before and after contactors to detect the fact of contactor sticking;
	749	+* **Abnormal voltage difference** – the difference of voltages before and after contactors at which BMS indicates and error;
	750	+* **Lock **– a flag to block the error until the device is restarted.
674	674
675	675	If there is a stuck contactor, the “Stuck contactor” error is generated. Error generation conditions:
676	676
...	...	@@ -678,12 +678,12 @@
678	678
679	679	(% class="box warningmessage" %)
680	680	(((
681		-If there is the “Stuck contactor” error, the **“Critical error” **is generated and **all relays open.**
	758	+If there is the “Stuck contactor” error, the **“Critical error” **is generated.
682	682	)))
683	683
684	684	=== Contactor feedback ===
685	685
686		-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.
	763	+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 discrete input that is assigned to this specific contactor's feedback.
687	687
688	688	To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
689	689
...	...	@@ -691,10 +691,10 @@
691	691
692	692	In this section:
693	693
694		-* Enable – a flag to enable the protection;
695		-* Delay before setting the error, millisecond;
696		-* Delay before clearing the error, second;
697		-* Lock – a flag to block the error until the device is restarted.
	771	+* **Enable **– a flag to enable the protection;
	772	+* **Delay before setting the error**, millisecond;
	773	+* **Delay before clearing the error**, second;
	774	+* **Lock **– a flag to block the error until the device is restarted.
698	698
699	699	If there is a discrepancy at any contactor, the corresponding contactor feedback error is generated. Error generation conditions:
700	700
...	...	@@ -702,12 +702,12 @@
702	702
703	703	(% class="box warningmessage" %)
704	704	(((
705		-If there is the “Contactor feedback” error, the **“Critical error” **is generated and **all relays open.**
	782	+If there is the “Contactor feedback” error, the **“Critical error” **is generated.
706	706	)))
707	707
708	708	=== Insulation ===
709	709
710		-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.
	787	+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.
711	711
712	712	To change the insulation monitoring parameters, select the "Protections → Insulation" section:
713	713
...	...	@@ -715,106 +715,128 @@
715	715
716	716	In this section:
717	717
718		-* Enable – a flag to enable the protection;
719		-* Checking algorithm – isolation checking mode:
720		-** Always on – check is always performed;
721		-** On charging – check is performed only if “Charger connected” or “Charge request” is set;
722		-** Except charging - check is performed only if “Charger connected” and “Charge request” are cleared;
723		-* Delay before setting the error, second;
724		-* Delay before clearing the error, second;
725		-* Lock – a flag to block the error until the device is restarted.
	795	+* **Enable **– a flag to enable the protection;
	796	+* **Checking algorithm** – isolation checking mode:
	797	+** **Always on** – check is always performed;
	798	+** **On charging** – check is performed only if “Charger connected” or “Charge request” is set;
	799	+** **Except charging** – check is performed only if “Charger connected” and “Charge request” are cleared;
	800	+* **Delay before setting the error**, second;
	801	+* **Delay before clearing the error**, second;
	802	+* **Lock **– a flag to block the error until the device is restarted.
726	726
727	727	The “Insulation fault” is set if the “Insulation status” signal is detected during the “Delay before setting the error” time. The “Insulation status” signal can be received through the discrete input or by the CAN bus from an insulation monitoring device. The “Insulation fault” is cleared if the “Insulation status” signal is cleared during the “Delay before clearing the error” time.
728	728
729	729	(% class="box warningmessage" %)
730	730	(((
731		-If there is the “Insulation fault”, the **“Critical error”** is generated and **all relays open.**
	808	+If there is the “Insulation fault”, the **“Critical error”** is generated.
732	732	)))
733	733
734	734	=== HVIL ===
735	735
	813	+(% class="box infomessage" %)
	814	+(((
	815	+This section is not available on BMS Main 2R.
	816	+)))
	817	+
736	736	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.
737	737
738	738	To change the HVIL measurement parameters, select the "Protections → HVIL" section:
739	739
740		-[[image:1733328487099-371.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="85" width="800"]]
	822	+[[image:1735224839441-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
741	741
742	742	In this section:
743	743
744		-* Enable – a flag to enable the protection;
745		-* Lock – a flag to block the error until the device is restarted.
	826	+* **Enable **– a flag to enable the protection;
	827	+* **Source is OFF: Lower current limit**, A;
	828	+* **Source is OFF: Upper current limit**, A;
	829	+* **Source is ON: Lower current limit**, A;
	830	+* **Source is ON: Upper current limit**, A;
	831	+* **Lock **– a flag to block the error until the device is restarted.
746	746
747		-If interlock loop breaks, the “HVIL error” is generated. Error clears if interlock loop is being restored.
	833	+If interlock loop breaks and its current is out of the configured ranges, the “HVIL error” is generated.
748	748
	835	+Error clears if interlock loop is being restored.
	836	+
749	749	(% class="box warningmessage" %)
750	750	(((
751		-If there is the “HVIL error”, the **“Critical error”** is generated and **all relays open.**
	839	+If there is the “HVIL error”, the **“Critical error”** is generated.
752	752	)))
753	753
754		-=== Critical error ===
	842	+=== Battery voltage ===
755	755
756		-To change the critical error parameters, select the "Protections → Critical error" section:
	844	+(% class="box infomessage" %)
	845	+(((
	846	+This section is not available on BMS Main 2R.
	847	+)))
757	757
758		-[[image:1733328487100-898.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="101" width="800"]]
	849	+The BMS Main 3 / BMS Main 2R allows to control the difference between sum of all cell voltages and voltage measured before the contactors.
759	759
	851	+To change the voltage difference check parameters, select the "Protections → Battery voltage" section:
	852	+
	853	+[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
	854	+
760	760	In this section:
761	761
762		-* Enable – a flag to enable the protection;
763		-* Delay before setting the error, millisecond;
764		-* Delay before clearing the error, second;
765		-* Lock – a flag to block the error until the device is restarted.
	857	+* **Enable **– a flag to enable the protection;
	858	+* **Abnormal voltage difference** – a maximum difference between sum of all cell voltages and voltage measured before the contactors (High voltage 1), V;
	859	+* **Delay before setting the error**, second;
	860	+* **Delay before clearing the error**, second;
	861	+* **Lock **– a flag to block the error until the device is restarted.
766	766
767		-The critical error flag is generated if at least one of the following errors is generated during the “Delay before setting the error” time:
	863	+If there is a mismatch between voltages, "Battery voltage mismatch" error is generated.
768	768
769		-* “Battery cover error”;
770		-* “Water”;
771		-* “Logic offline”;
772		-* “Cell count error”;
773		-* “ADC error”;
774		-* “Current sensor error”;
775		-* “Shunt offline”;
776		-* “Shunt error”;
777		-* “WDT reset”
778		-* “No temp. sensors”;
779		-* “Temperature sensor shorted”;
780		-* “Stuck contactor”;
781		-* “CH contactor feedback error”;
782		-* “DCH contactor feedback error”;
783		-* “Insulation fault”;
784		-* “PCH contactor feedback error”;
785		-* “CH/DCH contactor feedback error”;
786		-* “Main contactor feedback error”;
787		-* “High voltage fault”;
788		-* “Power switch error”;
789		-* “HVIL error”l
790		-* “Power fault”.
	865	+Error generation conditions:
791	791
792		-The “Critical error” is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
	867	+* 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.
793	793
794		-(% class="box infomessage" %)
	869	+Conditions for removing the error:
	870	+
	871	+* 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.
	872	+
	873	+(% class="box warningmessage" %)
795	795	(((
796		-If there is the “Critical error”, **all **contactors open.
	875	+If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
797	797	)))
798	798
	878	+=== Critical error ===
	879	+
	880	+Some of the errors are system critical. A separate signal named "Critical error" indicates a BMS fault.
	881	+
	882	+To change the critical error parameters, select the "Protections → Critical error" section:
	883	+
	884	+[[image:1762775547945-129.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
	885	+
	886	+In this section:
	887	+
	888	+* **Enable **– a flag to enable the protection;
	889	+* **Delay before setting the error**, millisecond;
	890	+* **Delay before clearing the error**, second;
	891	+* **Errors 1, 2 to to ignore when setting the critical error** – bitfields to enable check of corresponding errors.
	892	+* **Lock **– a flag to block the error until the device is restarted.
	893	+
	894	+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.
	895	+
	896	+The “Critical error" signal is cleared if there are no errors from the list above during the “Delay before clearing the error” time.
	897	+
799	799	=== General error ===
800	800
801	801	To change the general error parameters, select the "Protections → Critical error" section:
802	802
803		-[[image:1733328487101-216.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="262" width="800"]]
	902	+[[image:1735224942262-497.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]
804	804
805	805	In this section:
806	806
807		-* Enable – a flag to enable the protection;
808		-* Delay before setting the error, millisecond;
809		-* Delay before clearing the error, second;
810		-* Lock – a flag to block the error until the device is restarted;
811		-* Check: <error> – a flags to enable check of corresponding errors.
	906	+* **Enable **– a flag to enable the protection;
	907	+* **Delay before setting the error**, millisecond;
	908	+* **Delay before clearing the error**, second;
	909	+* **Lock **– a flag to block the error until the device is restarted;
	910	+* **Errors 1, 2 to set the "Critical error"** – bitfields to enable check of corresponding errors.
812	812
813		-The general error flag is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
	912	+The “General error”is generated if at least one of the enabled errors is generated during the “Delay before setting the error” time.
814	814
815	815	The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
816	816
817	817	(% class="box infomessage" %)
818	818	(((
819		-The state of the “General error” can be output to a discrete output or a power switch.
	918	+The state of the “General error” can be assigned to a discrete output or to a power switch.
820	820	)))

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