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
...	...	@@ -37,30 +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 with the limit based on the Charge map. If current is more than estimated maximum, "Current limit" error is generated.
	48	+The BMS Main 3 / BMS Main 2R device can check if the charging current exceeds the estimated limit based on the [[Charge map>>doc:Battery management systems.BMS Main 3.3\. Configuration.3\.3 Control.WebHome||anchor="HChargemap"]]. If current exceeds the calculated limit more than configured difference, "Current limit" error is generated.
48	48
	50	+Current difference is separated to two regions by the threshold value. Maximum current in Region 1 is calculated by the absolute difference, in Region 2 – by the relative difference.
	51	+
49	49	To change the overcurrent protection of the battery, select the "Protections → Charge current limit" section:
50	50
51	51	[[image:1735225207687-430.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]In this section:
52	52
53		-* Enable – a flag to enable the protection;
54		-* Threshold to switch from Re
	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.
55	55
56		-
57	57	=== Discharge current limit ===
58	58
59		-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.
60	60
	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	+
61	61	=== Undervoltage ===
62	62
63		-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.
64	64
65	65	To change the battery protection parameters from low voltage on the cells, select the "Protections → Undervoltage" section:
66	66
...	...	@@ -68,13 +68,13 @@
68	68
69	69	In this section:
70	70
71		-* Enable – a flag to enable the protection;
72		-* Minimum cell voltage, V;
73		-* Tolerant cell voltage, V;
74		-* 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;
75		-* Delay before setting the error, millisecond;
76		-* Delay before clearing the error, second;
77		-* 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.
78	78
79	79	As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
80	80
...	...	@@ -86,14 +86,9 @@
86	86
87	87	* 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.
88	88
89		-(% class="box infomessage" %)
90		-(((
91		-If there is the "Undervoltage" error, the **discharging **contactor opens.
92		-)))
93		-
94	94	=== Overvoltage ===
95	95
96		-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.
97	97
98	98	To change the battery protection parameters from high voltage on the cells, select the "Protections → Overvoltage" section:
99	99
...	...	@@ -101,13 +101,13 @@
101	101
102	102	In this section:
103	103
104		-* Enable – a flag to enable the protection;
105		-* Maximum cell voltage, V;
106		-* Tolerant cell voltage, V;
107		-* 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;
108		-* Delay before setting the error, millisecond;
109		-* Delay before clearing the error, second;
110		-* 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.
111	111
112	112	As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
113	113
...	...	@@ -119,14 +119,34 @@
119	119
120	120	* 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.
121	121
122		-(% class="box infomessage" %)
123		-(((
124		-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).
125		-)))
	140	+=== Cell imbalance ===
126	126
	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	+
127	127	=== Low temperature ===
128	128
129		-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.
130	130
131	131	To change the battery protection parameters from low temperature, select the "Protections → Low temperature" section:
132	132
...	...	@@ -134,14 +134,14 @@
134	134
135	135	In this section:
136	136
137		-* Enable – a flag to enable the protection;
138		-* Minimum charge temperature, °C;
139		-* Tolerant charge temperature, °C;
140		-* Minimum discharge temperature, °C;
141		-* Tolerant discharge temperature, °C;
142		-* Delay before setting the error, millisecond;
143		-* Delay before clearing the error, second;
144		-* 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.
145	145
146	146	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.
147	147
...	...	@@ -153,15 +153,9 @@
153	153
154	154	* 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.
155	155
156		-(% class="box infomessage" %)
157		-(((
158		-If there is the "Low temperature (CH)" error, the **charging **contactor opens.
159		-If there is the "Low temperature (DCH)" error, the **discharging **contactor opens.
160		-)))
161		-
162	162	=== High temperature ===
163	163
164		-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.
165	165
166	166	To change the battery protection parameters from high temperature, select the "Protections → High temperature" section:
167	167
...	...	@@ -169,14 +169,14 @@
169	169
170	170	In this section:
171	171
172		-* Enable – a flag to enable the protection;
173		-* Maximum charge temperature, °C;
174		-* Tolerant charge temperature, °C;
175		-* Maximum discharge temperature, °C;
176		-* Tolerant discharge temperature, °C;
177		-* Delay before setting the error, millisecond;
178		-* Delay before clearing the error, second;
179		-* 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.
180	180
181	181	As a result of the operation of the battery protection from high temperature, the "High temperature (CH)" or “High temperature (DCH)” error is generated.
182	182
...	...	@@ -188,12 +188,6 @@
188	188
189	189	* 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.
190	190
191		-(% class="box infomessage" %)
192		-(((
193		-If there is the "High temperature (CH)" error, the **charging **contactor opens.
194		-If there is the "High temperature (DCH)" error, the **discharging **contactor opens.
195		-)))
196		-
197	197	=== Battery cover ===
198	198
199	199	To change the protection parameters from opening the battery cover, select the "Protections → Battery cover" section:
...	...	@@ -202,10 +202,10 @@
202	202
203	203	In this section:
204	204
205		-* Enable – a flag to enable the protection;
206		-* Delay before setting the error, millisecond;
207		-* Delay before clearing the error, second;
208		-* 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.
209	209
210	210	As a result of the operation of the protection against opening the battery cover, the “Battery cover error” is generated.
211	211
...	...	@@ -219,12 +219,12 @@
219	219
220	220	(% class="box warningmessage" %)
221	221	(((
222		-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**.**
223	223	)))
224	224
225	225	=== High humidity ===
226	226
227		-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.
228	228
229	229	To change the detection parameters, select the "Protections → High humidity" section:
230	230
...	...	@@ -232,12 +232,12 @@
232	232
233	233	In this section:
234	234
235		-* Enable – a flag to enable the detection;
236		-* Maximum humidity, RH%;
237		-* Tolerant humidity, RH%;
238		-* Delay before setting the error, second;
239		-* Delay before clearing the error, second;
240		-* 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.
241	241
242	242	As a result of the operation of the battery protection from high humidity, the "High humidity" error is generated.
243	243
...	...	@@ -256,7 +256,7 @@
256	256
257	257	=== Water ===
258	258
259		-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.
260	260
261	261	To change the protection parameters, select the "Protections → Water" section:
262	262
...	...	@@ -281,9 +281,9 @@
281	281
282	282	* the measured humidity is less than the “Tolerant humidity” value during the “Delay before clearing the error” time.
283	283
284		-(% class="box infomessage" %)
	310	+(% class="box warningmessage" %)
285	285	(((
286		-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.
287	287	)))
288	288
289	289	=== Logic high temperature ===
...	...	@@ -320,11 +320,14 @@
320	320
321	321	To change the protection parameters from loss of communication with BMS Logic devices, select the "Protections → Logic offline" section:
322	322
323		-[[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"]]
324	324
	351	+
325	325	In this section:
326	326
327	327	* Enable – a flag to enable the protection;
	355	+* Delay before setting the error, second;
	356	+* Delay before clearing the error, second;
328	328	* Lock – lock the error until the device is reset.
329	329
330	330	As a result of the protection from loss of communication with BMS Logic devices, the "Logic offline" error is generated.
...	...	@@ -339,7 +339,7 @@
339	339
340	340	(% class="box warningmessage" %)
341	341	(((
342		-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**.**
343	343	)))
344	344
345	345	=== Cell count ===
...	...	@@ -368,14 +368,43 @@
368	368
369	369	(% class="box warningmessage" %)
370	370	(((
371		-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**.**
372	372	)))
373	373
	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	+
374	374	=== Logic count ===
375	375
376	376	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:
377	377
378		-[[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"]]
379	379
380	380	In this section:
381	381
...	...	@@ -382,6 +382,8 @@
382	382	* Enable – a flag to enable the protection;
383	383	* Logic count – a number of BMS Logic devices connected to the BMS Main;
384	384	* 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;
385	385	* Lock – lock the error until the device is reset.
386	386
387	387	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.
...	...	@@ -388,20 +388,22 @@
388	388
389	389	Error generation conditions:
390	390
391		-* 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.
392	392
393	393	Conditions for removing the error:
394	394
395		-* 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.
396	396
397	397	(% class="box warningmessage" %)
398	398	(((
399		-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.
400	400	)))
401	401
402	402	=== Short circuit ===
403	403
404		-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.
405	405
406	406	To change the protection parameters from short circuit, select the "Protections → Short circuit" section:
407	407
...	...	@@ -426,14 +426,9 @@
426	426
427	427	* the current modulo is lower than the “Maximum current” values for all three protection levels during the “Delay before setting the error” time.
428	428
429		-(% class="box infomessage" %)
430		-(((
431		-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).
432		-)))
433		-
434	434	=== High contactor temperature ===
435	435
436		-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.
437	437
438	438	To change the overheating protection parameters of power contactors, select the "Protections → High contactor temperature" section:
439	439
...	...	@@ -459,14 +459,9 @@
459	459
460	460	* the contactor temperature is lower than the “Tolerant contactor temperature” value during the “Delay before clearing the error” time.
461	461
462		-(% class="box infomessage" %)
463		-(((
464		-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).
465		-)))
466		-
467	467	=== Current sensor ===
468	468
469		-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.
470	470
471	471	To change the test parameters of the current sensor connection circuits, select the "Protections → Current sensor" section:
472	472
...	...	@@ -495,12 +495,12 @@
495	495
496	496	(% class="box warningmessage" %)
497	497	(((
498		-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.
499	499	)))
500	500
501	501	=== Power switch ===
502	502
503		-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:
504	504
505	505	[[image:1733328461554-241.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="99" width="800"]]
506	506
...	...	@@ -513,16 +513,42 @@
513	513
514	514	(% class="box warningmessage" %)
515	515	(((
516		-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.
517	517	)))
518	518
519	519	=== Power fault ===
520	520
521		-TBA
	573	+BMS Main 3 / BMS Main 2R device checks the status of CAN2, CAN3, RS-485-2 and Current sensors power supply.
522	522
	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	+
523	523	=== Charge contactor cycles ===
524	524
525		-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.
526	526
527	527	To change the protection parameters against high frequency switching of the charging contactor, select the "Protections → Charge contactor cycles" section:
528	528
...	...	@@ -547,14 +547,9 @@
547	547
548	548	* the “Delay before clearing the error” time has passed since the error was generated.
549	549
550		-(% class="box infomessage" %)
551		-(((
552		-If there is the "CH contactor cycles error" error, the **charging **contactor opens.
553		-)))
554		-
555	555	=== Discharge contactor cycles ===
556	556
557		-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.
558	558
559	559	To change the protection parameters against high frequency switching of the discharging contactor, select the "Protections → Discharging contactor cycles" section:
560	560
...	...	@@ -579,14 +579,9 @@
579	579
580	580	* the “Delay before clearing the error” time has passed since the error was generated.
581	581
582		-(% class="box infomessage" %)
583		-(((
584		-If there is the "DCH contactor cycles error" error, the **discharging **contactor opens.
585		-)))
586		-
587	587	=== Temperature sensors ===
588	588
589		-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.
590	590
591	591	To change the protection parameters of the temperature sensors circuits, select the "Protections → Temperature sensors" section:
592	592
...	...	@@ -603,7 +603,7 @@
603	603
604	604	(% class="box warningmessage" %)
605	605	(((
606		-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.
607	607	)))
608	608
609	609	=== WDT reset ===
...	...	@@ -626,7 +626,7 @@
626	626
627	627	(% class="box warningmessage" %)
628	628	(((
629		-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.
630	630	)))
631	631
632	632	=== Unallowable charging ===
...	...	@@ -654,14 +654,9 @@
654	654
655	655	* the battery current is zero during the “Delay before clearing the error” time.
656	656
657		-(% class="box infomessage" %)
658		-(((
659		-If there is the "Unallowable charging" error, the **discharging **contactor opens.
660		-)))
661		-
662	662	=== Stuck contactor ===
663	663
664		-The BMS Main 3 device protects contactors against sticking.
	727	+The BMS Main 3 / BMS Main 2R device protects contactors against sticking.
665	665
666	666	To change the protection parameters against sticking, select the "Protections → Stuck contactor" section:
667	667
...	...	@@ -682,12 +682,12 @@
682	682
683	683	(% class="box warningmessage" %)
684	684	(((
685		-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.
686	686	)))
687	687
688	688	=== Contactor feedback ===
689	689
690		-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.
691	691
692	692	To change the contactor feedback check parameters, select the "Protections → Contactor feedback" section:
693	693
...	...	@@ -706,12 +706,12 @@
706	706
707	707	(% class="box warningmessage" %)
708	708	(((
709		-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.
710	710	)))
711	711
712	712	=== Insulation ===
713	713
714		-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.
715	715
716	716	To change the insulation monitoring parameters, select the "Protections → Insulation" section:
717	717
...	...	@@ -732,12 +732,12 @@
732	732
733	733	(% class="box warningmessage" %)
734	734	(((
735		-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.
736	736	)))
737	737
738	738	=== HVIL ===
739	739
740		-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.
741	741
742	742	To change the HVIL measurement parameters, select the "Protections → HVIL" section:
743	743
...	...	@@ -752,58 +752,66 @@
752	752	* Source is ON: Upper current limit, A;
753	753	* Lock – a flag to block the error until the device is restarted.
754	754
755		-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.
756	756
	820	+Error clears if interlock loop is being restored.
	821	+
757	757	(% class="box warningmessage" %)
758	758	(((
759		-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.
760	760	)))
761	761
762		-=== Critical error ===
	827	+=== Battery voltage ===
763	763
764		-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.
765	765
766		-[[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:
767	767
	833	+[[image:1755871661259-633.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="100" width="800"]]
	834	+
768	768	In this section:
769	769
770	770	* Enable – a flag to enable the protection;
771		-* 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;
772	772	* Delay before clearing the error, second;
773	773	* Lock – a flag to block the error until the device is restarted.
774	774
775		-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.
776	776
777		-* “Battery cover error”;
778		-* “Water”;
779		-* “Logic offline”;
780		-* “Cell count error”;
781		-* “ADC error”;
782		-* “Current sensor error”;
783		-* “Shunt offline”;
784		-* “Shunt error”;
785		-* “WDT reset”
786		-* “No temp. sensors”;
787		-* “Temperature sensor shorted”;
788		-* “Stuck contactor”;
789		-* “CH contactor feedback error”;
790		-* “DCH contactor feedback error”;
791		-* “Insulation fault”;
792		-* “PCH contactor feedback error”;
793		-* “CH/DCH contactor feedback error”;
794		-* “Main contactor feedback error”;
795		-* “High voltage fault”;
796		-* “Power switch error”;
797		-* “HVIL error”l
798		-* “Power fault”.
	845	+Error generation conditions:
799	799
800		-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.
801	801
802		-(% 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" %)
803	803	(((
804		-If there is the “Critical error”, **all **contactors open.
	855	+If there is the “Battery voltage mismatch” error, the **“Critical error”** is generated.
805	805	)))
806	806
	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	+
807	807	=== General error ===
808	808
809	809	To change the general error parameters, select the "Protections → Critical error" section:
...	...	@@ -818,11 +818,11 @@
818	818	* Lock – a flag to block the error until the device is restarted;
819	819	* Errors 1, 2 to set the "Critical error" – bitfields to enable check of corresponding errors.
820	820
821		-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.
822	822
823	823	The “General error” is cleared if there are no errors from the enabled errors during the “Delay before clearing the error” time.
824	824
825	825	(% class="box infomessage" %)
826	826	(((
827		-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.
828	828	)))

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