Changes for page 2. Installation and connection

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2	2
3	3	The BMS Main 2.1 headers are shown in figure below.
4	4
5		-[[The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||height="430" width="428"]]
	5	+[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
6	6
7		-== P1 – header for power supply ==
	7	+=== P1 – header for power supply ===
8	8
9		-[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center" height="93" width="49"]]
	9	+[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
10	10
11		-|**Pin**|**Name**|**Description**
12		-|**1**|**GND**|Ground
13		-|**2**|**V+**|Supply voltage 9-30V
	11	+|(% style="width:100px" %)**Pin**|(% style="width:502px" %)**Name**|**Description**
	12	+|(% style="width:100px" %)**1**|(% style="width:502px" %)**GND**|Ground
	13	+|(% style="width:100px" %)**2**|(% style="width:502px" %)**V+**|Supply voltage 9-30V
14	14
15		-== P15 – header for BMS Logic ==
	15	+=== P15 – header for BMS Logic ===
16	16
17		-[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center" height="90" width="83"]]
	17	+[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
18	18
19		-|**Pin**|**Name**|**Description**
20		-|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
21		-|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
22		-|**3**|**+5V**|Supply voltage for BMS Logic
23		-|**4**|**GND**|Ground
	19	+|(% style="width:100px" %)**Pin**|(% style="width:290px" %)**Name**|**Description**
	20	+|(% style="width:100px" %)**1**|(% style="width:290px" %)**RS485_A**|RS-485 line A for communication with BMS Logic
	21	+|(% style="width:100px" %)**2**|(% style="width:290px" %)**RS485_B**|RS-485 line B for communication with BMS Logic
	22	+|(% style="width:100px" %)**3**|(% style="width:290px" %)**+5V**|Supply voltage for BMS Logic
	23	+|(% style="width:100px" %)**4**|(% style="width:290px" %)**GND**|Ground
24	24
25		-== P12 – header for current sensor ==
	25	+=== P12 – header for current sensor ===
26	26
27		-[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center" height="98" width="90"]]
	27	+[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
28	28
29		-|**Pin**|**Name**|**Description**
30		-|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
31		-|**2**|**GND**|Ground
32		-|**3**|**Vcs**|ADC input (current sensor output)
33		-|**4**|**Vref**|ADC input (current sensor reference signal)
	29	+|(% style="width:100px" %)**Pin**|(% style="width:293px" %)**Name**|(% style="width:1129px" %)**Description**
	30	+|(% style="width:100px" %)**1**|(% style="width:293px" %)**+5V**|(% style="width:1129px" %)Supply voltage for the current sensor 5V, max 50 mA
	31	+|(% style="width:100px" %)**2**|(% style="width:293px" %)**GND**|(% style="width:1129px" %)Ground
	32	+|(% style="width:100px" %)**3**|(% style="width:293px" %)**Vcs**|(% style="width:1129px" %)ADC input (current sensor output)
	33	+|(% style="width:100px" %)**4**|(% style="width:293px" %)**Vref**|(% style="width:1129px" %)ADC input (current sensor reference signal)
34	34
35		-== P13 – header for humidity sensor ==
	35	+=== P13 – header for humidity sensor ===
36	36
37	37	[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
38	38
39		-|**Pin**|**Name**|**Description**
40		-|**1**|**+5V**|Supply voltage 5 V, max 50 mA
41		-|**2**|**GND**|Ground
42		-|**3**|**Vhs**|ADC input (humidity sensor output)
43		-|**4**|**Vts**|ADC input (temperature sensor output)
	39	+|(% style="width:100px" %)**Pin**|(% style="width:292px" %)**Name**|(% style="width:1130px" %)**Description**
	40	+|(% style="width:100px" %)**1**|(% style="width:292px" %)**+5V**|(% style="width:1130px" %)Supply voltage 5 V, max 50 mA
	41	+|(% style="width:100px" %)**2**|(% style="width:292px" %)**GND**|(% style="width:1130px" %)Ground
	42	+|(% style="width:100px" %)**3**|(% style="width:292px" %)**Vhs**|(% style="width:1130px" %)ADC input (humidity sensor output)
	43	+|(% style="width:100px" %)**4**|(% style="width:292px" %)**Vts**|(% style="width:1130px" %)ADC input (temperature sensor output)
44	44
	45	+=== P8 – header of relay 1 ===
45	45
46		-1.
47		-11.
48		-111. P8 – header of relay 1
	47	+[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
49	49
50		-[[image:file:///C:/Users/INASIB~~1/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]]
51		-
52	52	By default, relay 1 is used to control the discharging contactor.
53	53
	51	+|(% style="width:100px" %)**Pin**|(% style="width:291px" %)**Name**|(% style="width:1131px" %)**Description**
	52	+|(% style="width:100px" %)**1**|(% style="width:291px" %)**V+**|(% style="width:1131px" %)Switching voltage (up to 55V, max 2A)
	53	+|(% style="width:100px" %)**2**|(% style="width:291px" %)**NO**|(% style="width:1131px" %)Normally open contact
54	54
55		-|**Pin**|**Name**|**Description**
56		-|**1**|**V+**|Switching voltage (up to 55V, max 2A)
57		-|**2**|**NO**|Normally open contact
	55	+=== P9 – header of relay 2 ===
58	58
	57	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
59	59
60		-1.
61		-11.
62		-111. P9 – header of relay 2
	59	+By default, relay 2 is used to output the “Allow charging” signal.
63	63
64		-[[image:file:///C:/Users/INASIB~~1/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]]
	61	+|(% style="width:100px" %)**Pin**|(% style="width:297px" %)**Name**|(% style="width:1125px" %)**Description**
	62	+|(% style="width:100px" %)**1**|(% style="width:297px" %)**V+**|(% style="width:1125px" %)Switching voltage (up to 55V, max 2A)
	63	+|(% style="width:100px" %)**2**|(% style="width:297px" %)**NO**|(% style="width:1125px" %)Normally open contact
65	65
66		-By default, relay 2 is used to output the “Allow charging” signal.
	65	+=== P6 – header of relay 3 ===
67	67
	67	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
68	68
69		-|**Pin**|**Name**|**Description**
70		-|**1**|**V+**|Switching voltage (up to 55V, max 2A)
71		-|**2**|**NO**|Normally open contact
	69	+By default, relay 3 is used to control the charging contactor.
72	72
	71	+|(% style="width:100px" %)**Pin**|(% style="width:297px" %)**Name**|(% style="width:1125px" %)**Description**
	72	+|(% style="width:100px" %)**1**|(% style="width:297px" %)**V+**|(% style="width:1125px" %)Switching voltage (up to 55V, max 8A)
	73	+|(% style="width:100px" %)**2**|(% style="width:297px" %)**NO**|(% style="width:1125px" %)Normally open contact
73	73
	75	+=== P7 – header of relay 4 ===
74	74
	77	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
	78	+
	79	+By default, relay 4 is used to control the heater.
	80	+
	81	+|(% style="width:100px" %)**Pin**|(% style="width:298px" %)**Name**|(% style="width:1124px" %)**Description**
	82	+|(% style="width:100px" %)**1**|(% style="width:298px" %)**V+**|(% style="width:1124px" %)Switching voltage (up to 55V, max 8A)
	83	+|(% style="width:100px" %)**2**|(% style="width:298px" %)**NO**|(% style="width:1124px" %)Normally open contact
	84	+
	85	+=== P14 – header for CAN and RS-485 interfaces ===
	86	+
	87	+[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
	88	+
	89	+|(% style="width:100px" %)**Pin**|**Name**|**Description**
	90	+|(% style="width:100px" %)**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
	91	+|(% style="width:100px" %)**2**|**CAN_H**|CAN H line for communication with external equipment
	92	+|(% style="width:100px" %)**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
	93	+|(% style="width:100px" %)**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
	94	+|(% style="width:100px" %)**5**|**CAN_L**|CAN L line for communication with external equipment
	95	+|(% style="width:100px" %)**6**|**GND_CAN**|Ground
	96	+
	97	+=== P21 – CAN termination resistor jumper ===
	98	+
	99	+[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
	100	+
	101	+To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
	102	+
	103	+|(% style="width:100px" %)**Pin**|(% style="width:299px" %)**Name**|(% style="width:1123px" %)**Description**
	104	+|(% style="width:100px" %)**1-2**|(% style="width:299px" %)**120 Ohm**|(% style="width:1123px" %)Termination resistor 120 Ohm is connected
	105	+|(% style="width:100px" %)**2-3**|(% style="width:299px" %)**-**|(% style="width:1123px" %)Termination resistor 120 Ohm is not connected
	106	+
	107	+=== P22 - RS-485 termination resistor jumper ===
	108	+
	109	+[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
	110	+
	111	+To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
	112	+
	113	+|(% style="width:100px" %)**Pin**|(% style="width:301px" %)**Name**|(% style="width:1121px" %)**Description**
	114	+|(% style="width:100px" %)**1-2**|(% style="width:301px" %)**120 Ohm**|(% style="width:1121px" %)Terminating resistor 120 Ohm is connected
	115	+|(% style="width:100px" %)**2-3**|(% style="width:301px" %)**-**|(% style="width:1121px" %)Terminating resistor 120 Ohm is not connected
	116	+
	117	+=== P11 – header for discrete inputs/outputs ===
	118	+
	119	+[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
	120	+
	121	+|(% style="width:100px" %)**Pin**|(% style="width:310px" %)**Name**|(% style="width:1112px" %)**Description**
	122	+|(% style="width:100px" %)**16**|(% style="width:310px" %)**IN_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (+5V)
	123	+|(% style="width:100px" %)**8**|(% style="width:310px" %)**GND_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (ground)
	124	+|(% style="width:100px" %)**15**|(% style="width:310px" %)**IN_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (+5V)
	125	+|(% style="width:100px" %)**7**|(% style="width:310px" %)**GND_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (ground)
	126	+|(% style="width:100px" %)**14**|(% style="width:310px" %)**IN_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (+5V)
	127	+|(% style="width:100px" %)**6**|(% style="width:310px" %)**GND_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (ground)
	128	+|(% style="width:100px" %)**13**|(% style="width:310px" %)**IN_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (+5V)
	129	+|(% style="width:100px" %)**5**|(% style="width:310px" %)**GND_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (ground)
	130	+|(% style="width:100px" %)**12**|(% style="width:310px" %)**OUT_4**|(% style="width:1112px" %)Discrete output #4 (+5V, 20mA)
	131	+|(% style="width:100px" %)**4**|(% style="width:310px" %)**GND_OUT_4**|(% style="width:1112px" %)Discrete output #4 (ground)
	132	+|(% style="width:100px" %)**11**|(% style="width:310px" %)**OUT_3**|(% style="width:1112px" %)Discrete output #3 (+5V, 20mA)
	133	+|(% style="width:100px" %)**3**|(% style="width:310px" %)**GND_OUT_3**|(% style="width:1112px" %)Discrete output #3 (ground)
	134	+|(% style="width:100px" %)**10**|(% style="width:310px" %)**OUT_2**|(% style="width:1112px" %)Discrete output #2 (+5V, 20mA)
	135	+|(% style="width:100px" %)**2**|(% style="width:310px" %)**GND_OUT_2**|(% style="width:1112px" %)Discrete output #2 (ground)
	136	+|(% style="width:100px" %)**9**|(% style="width:310px" %)**OUT_1**|(% style="width:1112px" %)Discrete output #1 (+5V, 20mA)
	137	+|(% style="width:100px" %)**1**|(% style="width:310px" %)**GND_OUT_1**|(% style="width:1112px" %)Discrete output #1 (ground)
	138	+
	139	+= Indicators =
	140	+
	141	+=== DS1 – power indicator ===
	142	+
	143	+|(% style="width:100px" %)**State**|**Description**
	144	+|(% style="width:100px" %)**Lights red**|The device is powered
	145	+|(% style="width:100px" %)**Off**|The device is not powered
	146	+
	147	+=== DS2 – operation indicator ===
	148	+
	149	+|(% style="width:100px" %)**State**|**Description**
	150	+|(% style="width:100px" %)**Blinking green**|The BMS firmware is running
	151	+|(% style="width:100px" %)**Off**|The BMS firmware is not running
	152	+
	153	+=== DS3 – communication indicator ===
	154	+
	155	+|(% style="width:100px" %)**State**|**Description**
	156	+|(% style="width:100px" %)**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
	157	+|(% style="width:100px" %)**Blinking yellow (25Hz)**|Communication with BMS Logic is established
	158	+
	159	+=== DS4 – error indicator ===
	160	+
	161	+|(% style="width:100px" %)**State**|**Description**
	162	+|(% style="width:100px" %)**Blinking red**|Errors in communication with BMS Logic
	163	+
	164	+=== DS7 – relay 1 indicator ===
	165	+
	166	+|(% style="width:100px" %)**State**|**Description**
	167	+|(% style="width:100px" %)**Lights green**|Relay #1 is closed
	168	+|(% style="width:100px" %)**Off**|Relay #1 is opened
	169	+
	170	+=== DS8 – relay 2 indicator ===
	171	+
	172	+(% style="width:287px" %)
	173	+|(% style="width:100px" %)**State**|(% style="width:183px" %)**Description**
	174	+|(% style="width:100px" %)**Lights green**|(% style="width:183px" %)Relay #2 is closed
	175	+|(% style="width:100px" %)**Off**|(% style="width:183px" %)Relay #2 is opened
	176	+
	177	+=== DS5 – relay 3 indicator ===
	178	+
	179	+|(% style="width:100px" %)**State**|**Description**
	180	+|(% style="width:100px" %)**Lights green**|Relay #3 is closed
	181	+|(% style="width:100px" %)**Off**|Relay #3 is opened
	182	+
	183	+=== DS6 – relay 4 indicator ===
	184	+
	185	+|(% style="width:100px" %)**State**|**Description**
	186	+|(% style="width:100px" %)**Lights green**|Relay #4 is closed
	187	+|(% style="width:100px" %)**Off**|Relay #4 is opened
	188	+
75	75

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