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
...	...	@@ -37,24 +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 the charging current limit, calculated by the Charge map, sa .
	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
49		-[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
	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.
50	50
	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	+
51	51	=== Discharge current limit ===
52	52
53		-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.
54	54
	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	+
55	55	=== Undervoltage ===
56	56
57		-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.
58	58
59	59	To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
60	60
...	...	@@ -62,13 +62,13 @@
62	62
63	63	In this section:
64	64
65		-* Enable – a flag to enable the protection;
66		-* Minimum cell voltage, V;
67		-* Tolerant cell voltage, V;
68		-* 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;
69		-* Delay before setting the error, millisecond;
70		-* Delay before clearing the error, second;
71		-* 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.
72	72
73	73	As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
74	74
...	...	@@ -80,14 +80,9 @@
80	80
81	81	* 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.
82	82
83		-(% class="box infomessage" %)
84		-(((
85		-If there is the "Undervoltage" error, the **discharging **contactor opens.
86		-)))
87		-
88	88	=== Overvoltage ===
89	89
90		-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.
91	91
92	92	To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
93	93
...	...	@@ -95,13 +95,13 @@
95	95
96	96	In this section:
97	97
98		-* Enable – a flag to enable the protection;
99		-* Maximum cell voltage, V;
100		-* Tolerant cell voltage, V;
101		-* 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;
102		-* Delay before setting the error, millisecond;
103		-* Delay before clearing the error, second;
104		-* 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.
105	105
106	106	As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
107	107
...	...	@@ -113,14 +113,34 @@
113	113
114	114	* 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.
115	115
116		-(% class="box infomessage" %)
117		-(((
118		-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).
119		-)))
	140	+=== Cell imbalance ===
120	120
	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	+
121	121	=== Low temperature ===
122	122
123		-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.
124	124
125	125	To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
126	126
...	...	@@ -128,14 +128,14 @@
128	128
129	129	In this section:
130	130
131		-* Enable – a flag to enable the protection;
132		-* Minimum charge temperature, °C;
133		-* Tolerant charge temperature, °C;
134		-* Minimum discharge temperature, °C;
135		-* Tolerant discharge temperature, °C;
136		-* Delay before setting the error, millisecond;
137		-* Delay before clearing the error, second;
138		-* 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.
139	139
140	140	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.
141	141
...	...	@@ -147,15 +147,9 @@
147	147
148	148	* 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.
149	149
150		-(% class="box infomessage" %)
151		-(((
152		-If there is the "Low temperature (CH)" error, the **charging **contactor opens.
153		-If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
154		-)))
155		-
156	156	=== High temperature ===
157	157
158		-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.
159	159
160	160	To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
161	161
...	...	@@ -163,14 +163,14 @@
163	163
164	164	In this section:
165	165
166		-* Enable – a flag to enable the protection;
167		-* Maximum charge temperature, °C;
168		-* Tolerant charge temperature, °C;
169		-* Maximum discharge temperature, °C;
170		-* Tolerant discharge temperature, °C;
171		-* Delay before setting the error, millisecond;
172		-* Delay before clearing the error, second;
173		-* 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.
174	174
175	175	As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
176	176
...	...	@@ -182,12 +182,6 @@
182	182
183	183	* 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.
184	184
185		-(% class="box infomessage" %)
186		-(((
187		-If there is the "High temperature (CH)" error, the **charging **contactor opens.
188		-If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
189		-)))
190		-
191	191	=== Battery cover ===
192	192
193	193	To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
...	...	@@ -196,10 +196,10 @@
196	196
197	197	In this section:
198	198
199		-* Enable – a flag to enable the protection;
200		-* Delay before setting the error, millisecond;
201		-* Delay before clearing the error, second;
202		-* 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 .
203	203
204	204	As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
205	205
...	...	@@ -213,12 +213,12 @@
213	213
214	214	(% class="box warningmessage" %)
215	215	(((
216		-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**.**
217	217	)))
218	218
219	219	=== High humidity ===
220	220
221		-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.
222	222
223	223	To change the detection parameters, select the "Protections → High humidity" section:
224	224
...	...	@@ -226,12 +226,12 @@
226	226
227	227	In this section:
228	228
229		-* Enable – a flag to enable the detection;
230		-* Maximum humidity, RH%;
231		-* Tolerant humidity, RH%;
232		-* Delay before setting the error, second;
233		-* Delay before clearing the error, second;
234		-* 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.
235	235
236	236	As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
237	237
...	...	@@ -250,7 +250,7 @@
250	250
251	251	=== Water ===
252	252
253		-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.
254	254
255	255	To change the protection parameters, select the "Protections → Water" section:
256	256
...	...	@@ -275,9 +275,9 @@
275	275
276	276	* the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
277	277
278		-(% class="box infomessage" %)
	310	+(% class="box warningmessage" %)
279	279	(((
280		-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.
281	281	)))
282	282
283	283	=== Logic high temperature ===
...	...	@@ -314,11 +314,14 @@
314	314
315	315	To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
316	316
317		-[[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"]]
318	318
	351	+
319	319	In this section:
320	320
321	321	* Enable – a flag to enable the protection;
	355	+* Delay before setting the error, second;
	356	+* Delay before clearing the error, second;
322	322	* Lock – lock the error until the device is reset.
323	323
324	324	As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
...	...	@@ -333,7 +333,7 @@
333	333
334	334	(% class="box warningmessage" %)
335	335	(((
336		-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**.**
337	337	)))
338	338
339	339	=== Cell count ===
...	...	@@ -362,14 +362,43 @@
362	362
363	363	(% class="box warningmessage" %)
364	364	(((
365		-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**.**
366	366	)))
367	367
	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	+
368	368	=== Logic count ===
369	369
370	370	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:
371	371
372		-[[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"]]
373	373
374	374	In this section:
375	375
...	...	@@ -376,6 +376,8 @@
376	376	* Enable – a flag to enable the protection;
377	377	* Logic count – a number of BMS Logic devices connected to the BMS Main;
378	378	* 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;
379	379	* Lock – lock the error until the device is reset.
380	380
381	381	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.
...	...	@@ -382,20 +382,22 @@
382	382
383	383	Error generation conditions:
384	384
385		-* 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.
386	386
387	387	Conditions for removing the error:
388	388
389		-* 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.
390	390
391	391	(% class="box warningmessage" %)
392	392	(((
393		-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.
394	394	)))
395	395
396	396	=== Short circuit ===
397	397
398		-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.
399	399
400	400	To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
401	401
...	...	@@ -420,14 +420,9 @@
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
...	...	@@ -453,14 +453,9 @@
453	453
454	454	* the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
455	455
456		-(% class="box infomessage" %)
457		-(((
458		-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).
459		-)))
460		-
461	461	=== Current sensor ===
462	462
463		-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.
464	464
465	465	To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
466	466
...	...	@@ -489,12 +489,12 @@
489	489
490	490	(% class="box warningmessage" %)
491	491	(((
492		-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.
493	493	)))
494	494
495	495	=== Power switch ===
496	496
497		-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:
498	498
499	499	[[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
500	500
...	...	@@ -507,16 +507,42 @@
507	507
508	508	(% class="box warningmessage" %)
509	509	(((
510		-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.
511	511	)))
512	512
513	513	=== Power fault ===
514	514
515		-TBA
	573	+BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
516	516
	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	+
517	517	=== Charge contactor cycles ===
518	518
519		-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.
520	520
521	521	To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
522	522
...	...	@@ -541,14 +541,9 @@
541	541
542	542	* the “Delay before clearing the error” time has passed since the error was generated.
543	543
544		-(% class="box infomessage" %)
545		-(((
546		-If there is the "CH contactor cycles error" error, the **charging **contactor opens.
547		-)))
548		-
549	549	=== Discharge contactor cycles ===
550	550
551		-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.
552	552
553	553	To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
554	554
...	...	@@ -573,14 +573,9 @@
573	573
574	574	* the “Delay before clearing the error” time has passed since the error was generated.
575	575
576		-(% class="box infomessage" %)
577		-(((
578		-If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
579		-)))
580		-
581	581	=== Temperature sensors ===
582	582
583		-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.
584	584
585	585	To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
586	586
...	...	@@ -597,7 +597,7 @@
597	597
598	598	(% class="box warningmessage" %)
599	599	(((
600		-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.
601	601	)))
602	602
603	603	=== WDT reset ===
...	...	@@ -620,7 +620,7 @@
620	620
621	621	(% class="box warningmessage" %)
622	622	(((
623		-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.
624	624	)))
625	625
626	626	=== Unallowable charging ===
...	...	@@ -648,14 +648,9 @@
648	648
649	649	* the battery current is zero during the “Delay before clearing the error” time.
650	650
651		-(% class="box infomessage" %)
652		-(((
653		-If there is the "Unallowable charging" error, the **discharging **contactor opens.
654		-)))
655		-
656	656	=== Stuck contactor ===
657	657
658		-The BMS Main 3 device protects contactors against sticking.
	727	+The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
659	659
660	660	To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
661	661
...	...	@@ -676,12 +676,12 @@
676	676
677	677	(% class="box warningmessage" %)
678	678	(((
679		-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.
680	680	)))
681	681
682	682	=== Contactor feedback ===
683	683
684		-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.
685	685
686	686	To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
687	687
...	...	@@ -700,12 +700,12 @@
700	700
701	701	(% class="box warningmessage" %)
702	702	(((
703		-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.
704	704	)))
705	705
706	706	=== Insulation ===
707	707
708		-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.
709	709
710	710	To change the insulation monitoring parameters, select the "Protections → Insulation" section:
711	711
...	...	@@ -726,12 +726,12 @@
726	726
727	727	(% class="box warningmessage" %)
728	728	(((
729		-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.
730	730	)))
731	731
732	732	=== HVIL ===
733	733
734		-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.
735	735
736	736	To change the HVIL measurement parameters, select the "Protections → HVIL" section:
737	737
...	...	@@ -746,58 +746,66 @@
746	746	* Source is ON: Upper current limit, A;
747	747	* Lock – a flag to block the error until the device is restarted.
748	748
749		-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.
750	750
	820	+Error clears if interlock loop is being restored.
	821	+
751	751	(% class="box warningmessage" %)
752	752	(((
753		-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.
754	754	)))
755	755
756		-=== Critical error ===
	827	+=== Battery voltage ===
757	757
758		-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.
759	759
760		-[[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:
761	761
	833	+[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
	834	+
762	762	In this section:
763	763
764	764	* Enable – a flag to enable the protection;
765		-* 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;
766	766	* Delay before clearing the error, second;
767	767	* Lock – a flag to block the error until the device is restarted.
768	768
769		-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.
770	770
771		-* “Battery cover error”;
772		-* “Water”;
773		-* “Logic offline”;
774		-* “Cell count error”;
775		-* “ADC error”;
776		-* “Current sensor error”;
777		-* “Shunt offline”;
778		-* “Shunt error”;
779		-* “WDT reset”
780		-* “No temp. sensors”;
781		-* “Temperature sensor shorted”;
782		-* “Stuck contactor”;
783		-* “CH contactor feedback error”;
784		-* “DCH contactor feedback error”;
785		-* “Insulation fault”;
786		-* “PCH contactor feedback error”;
787		-* “CH/DCH contactor feedback error”;
788		-* “Main contactor feedback error”;
789		-* “High voltage fault”;
790		-* “Power switch error”;
791		-* “HVIL error”l
792		-* “Power fault”.
	845	+Error generation conditions:
793	793
794		-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.
795	795
796		-(% 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" %)
797	797	(((
798		-If there is the “Critical error”, **all **contactors open.
	855	+If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
799	799	)))
800	800
	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	+
801	801	=== General error ===
802	802
803	803	To change the general error parameters, select the "Protections → Critical error" section:
...	...	@@ -812,11 +812,11 @@
812	812	* Lock – a flag to block the error until the device is restarted;
813	813	* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
814	814
815		-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.
816	816
817	817	The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
818	818
819	819	(% class="box infomessage" %)
820	820	(((
821		-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.
822	822	)))

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