Changes for page 2. Installation and connection

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Title

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1		-2. Connection procedure
	1	+2. Installation and connection

Parent

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1		-Controllers.BMS Main 2\.1.WebHome
	1	+Battery management systems.BMS Main 2\.1.WebHome

Content

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	1	+(% data-numbered-headings-start="2" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
	2	+= Installation and connection =
	3	+
	4	+== Installation procedure ==
	5	+
	6	+Overall and mounting dimensions of the BMS Main 2.1 are shown below.
	7	+
	8	+[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
	9	+
	10	+(% style="width:494px" %)
	11	+|**Parameter**|(% style="width:178px" %)**Value**
	12	+|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
	13	+|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
	14	+|Mounting holes|(% style="width:178px" %)M3
	15	+|Headers P1, P6-P9 type |(% style="width:178px" %)Molex series Mini-Fit
	16	+|Headers P11-P15 type |(% style="width:178px" %)Molex series Micro-Fit
	17	+
	18	+== Connection procedure ==
	19	+
1	1	The mounting area of the BMS Main 2.1 must be protected from mechanical particles (dust, dirt, large objects) and water. The installation site must provide convenient access for subsequent connection to the device’s headers.
2	2
3	3	1. Connect the charging and discharging contactors to the P6-P9 headers.
...	...	@@ -5,49 +5,49 @@
5	5	1. Connect the BMS Main 2.1 to the on-board CAN network. Observe the rules for connecting CAN devices. If the BMS Main 2.1 is the last device on a bus, close pins 1-2 on the P21 jumper, otherwise leave the jumper on pins 2-3.
6	6	1. Connect a power supply to the P1 header. It is not recommended to power the BMS Main 2.1 from the battery only, since at a critical discharge of the battery, it is not possible to turn on the BMS and close the charging contactor.
7	7
8		-= ​​​​Headers description =
	27	+== ​​​​Headers description ==
9	9
10	10	The BMS Main 2.1 headers are shown in figure below.
11	11
12		-[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
	31	+[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
13	13
14		-(% class="wikigeneratedid" %)
15		-Following chapters describes the BMS Main 2.1 headers pinout.
	33	+(% class="box warningmessage" %)
	34	+(((
	35	+**Attention!**
	36	+All headers are shown from the device side!
	37	+)))
16	16
17	17	=== P1 – header for power supply ===
18	18
19		-[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
	41	+[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
20	20
21		-(% style="width:339px" %)
22		-|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
23		-|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
24		-|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
	43	+|**Pin**|**Name**|**Description**
	44	+|**1**|**GND**|Ground
	45	+|**2**|**V+**|Supply voltage 9-30V
25	25
26	26	=== P15 – header for BMS Logic ===
27	27
28		-[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
	49	+[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
29	29
30		-(% style="width:524px" %)
31		-|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
32		-|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
33		-|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
34		-|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
35		-|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
	51	+|**Pin**|**Name**|**Description**
	52	+|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
	53	+|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
	54	+|**3**|**+5V**|Supply voltage for BMS Logic
	55	+|**4**|**GND**|Ground
36	36
37	37	=== P12 – header for current sensor ===
38	38
39		-[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
	59	+[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
40	40
41		-(% style="width:531px" %)
42		-|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
43		-|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
44		-|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
45		-|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
46		-|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
	61	+|**Pin**|**Name**|**Description**
	62	+|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
	63	+|**2**|**GND**|Ground
	64	+|**3**|**Vcs**|ADC input (current sensor output)
	65	+|**4**|**Vref**|ADC input (current sensor reference signal)
47	47
48	48	=== P13 – header for humidity sensor ===
49	49
50		-[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
	69	+[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
51	51
52	52	|**Pin**|**Name**|**Description**
53	53	|**1**|**+5V**|Supply voltage 5 V, max 50 mA
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57	57
58	58	=== P8 – header of relay 1 ===
59	59
60		-[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
	79	+[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
61	61
62	62	By default, relay 1 is used to control the discharging contactor.
63	63
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67	67
68	68	=== P9 – header of relay 2 ===
69	69
70		-[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
	89	+[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
71	71
72	72	By default, relay 2 is used to output the “Allow charging” signal.
73	73
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77	77
78	78	=== P6 – header of relay 3 ===
79	79
80		-[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
	99	+[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
81	81
82	82	By default, relay 3 is used to control the charging contactor.
83	83
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87	87
88	88	=== P7 – header of relay 4 ===
89	89
90		-[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
	109	+[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
91	91
92	92	By default, relay 4 is used to control the heater.
93	93
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97	97
98	98	=== P14 – header for CAN and RS-485 interfaces ===
99	99
100		-[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
	119	+[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
101	101
	121	+(% style="width:641px" %)
102	102	|**Pin**|**Name**|**Description**
103	103	|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
104	104	|**2**|**CAN_H**|CAN H line for communication with external equipment
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109	109
110	110	=== P21 – CAN termination resistor jumper ===
111	111
112		-[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
	132	+[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
113	113
114	114	To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
115	115
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119	119
120	120	=== P22 - RS-485 termination resistor jumper ===
121	121
122		-[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
	142	+[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
123	123
124	124	To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
125	125
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129	129
130	130	=== P11 – header for discrete inputs/outputs ===
131	131
132		-[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
	152	+[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
133	133
134	134	|**Pin**|**Name**|**Description**
135	135	|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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149	149	|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
150	150	|**1**|**GND_OUT_1**|Discrete output #1 (ground)
151	151
152		-= Indicators =
	172	+== Indicators ==
153	153
154	154	=== DS1 – power indicator ===
155	155
...	...	@@ -171,9 +171,10 @@
171	171
172	172	=== DS4 – error indicator ===
173	173
174		-|**State**|**Description**
175		-|**Blinking red**|Errors in communication with BMS Logic
176	176
	195	+|(**State**|**Description**
	196	+|(**Blinking red**|Errors in communication with BMS Logic
	197	+
177	177	=== DS7 – relay 1 indicator ===
178	178
179	179	|**State**|**Description**
...	...	@@ -182,7 +182,6 @@
182	182
183	183	=== DS8 – relay 2 indicator ===
184	184
185		-
186	186	|**State**|**Description**
187	187	|**Lights green**|Relay #2 is closed
188	188	|**Off**|Relay #2 is opened

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