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 type P1, P6-P9|(% style="width:178px" %)Molex series Mini-Fit
	16	+|Headers type P11-P15|(% 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.
...	...	@@ -5,18 +5,21 @@
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		-Folo
	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	21	|**Pin**|**Name**|**Description**
22	22	|**1**|**GND**|Ground
...	...	@@ -24,7 +24,7 @@
24	24
25	25	=== P15 – header for BMS Logic ===
26	26
27		-[[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"]]
28	28
29	29	|**Pin**|**Name**|**Description**
30	30	|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
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34	34
35	35	=== P12 – header for current sensor ===
36	36
37		-[[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"]]
38	38
39	39	|**Pin**|**Name**|**Description**
40	40	|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
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44	44
45	45	=== P13 – header for humidity sensor ===
46	46
47		-[[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"]]
48	48
49	49	|**Pin**|**Name**|**Description**
50	50	|**1**|**+5V**|Supply voltage 5 V, max 50 mA
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54	54
55	55	=== P8 – header of relay 1 ===
56	56
57		-[[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"]]
58	58
59	59	By default, relay 1 is used to control the discharging contactor.
60	60
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64	64
65	65	=== P9 – header of relay 2 ===
66	66
67		-[[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"]]
68	68
69	69	By default, relay 2 is used to output the “Allow charging” signal.
70	70
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74	74
75	75	=== P6 – header of relay 3 ===
76	76
77		-[[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"]]
78	78
79	79	By default, relay 3 is used to control the charging contactor.
80	80
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84	84
85	85	=== P7 – header of relay 4 ===
86	86
87		-[[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"]]
88	88
89	89	By default, relay 4 is used to control the heater.
90	90
91		-**Pin**|**Name**|**Description**
92		-**1**|**V+**|Switching voltage (up to 55V, max 8A)
93		-**2**|**NO**|Normally open contact
	113	+|**Pin**|**Name**|**Description**
	114	+|**1**|**V+**|Switching voltage (up to 55V, max 8A)
	115	+|**2**|**NO**|Normally open contact
94	94
95	95	=== P14 – header for CAN and RS-485 interfaces ===
96	96
97		-[[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"]]
98	98
	121	+(% style="width:641px" %)
99	99	|**Pin**|**Name**|**Description**
100	100	|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
101	101	|**2**|**CAN_H**|CAN H line for communication with external equipment
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106	106
107	107	=== P21 – CAN termination resistor jumper ===
108	108
109		-[[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"]]
110	110
111	111	To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
112	112
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116	116
117	117	=== P22 - RS-485 termination resistor jumper ===
118	118
119		-[[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"]]
120	120
121	121	To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
122	122
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126	126
127	127	=== P11 – header for discrete inputs/outputs ===
128	128
129		-[[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"]]
130	130
131	131	|**Pin**|**Name**|**Description**
132	132	|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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146	146	|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
147	147	|**1**|**GND_OUT_1**|Discrete output #1 (ground)
148	148
149		-= Indicators =
	172	+== Indicators ==
150	150
151	151	=== DS1 – power indicator ===
152	152
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168	168
169	169	=== DS4 – error indicator ===
170	170
171		-|**State**|**Description**
172		-|**Blinking red**|Errors in communication with BMS Logic
173	173
	195	+|(**State**|**Description**
	196	+|(**Blinking red**|Errors in communication with BMS Logic
	197	+
174	174	=== DS7 – relay 1 indicator ===
175	175
176	176	|**State**|**Description**
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179	179
180	180	=== DS8 – relay 2 indicator ===
181	181
182		-
183	183	|**State**|**Description**
184	184	|**Lights green**|Relay #2 is closed
185	185	|**Off**|Relay #2 is opened

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