Changes for page 2. Installation and connection

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Page properties

Title

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

Parent

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1		-Battery management systems.BMS Main 2\.1.WebHome
	1	+Controllers.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		-|Connectors type|(% style="width:178px" %)Molex MiniFit (P1, P6)
16		-
17		-== Connection procedure ==
18		-
19	19	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.
20	20
21	21	1. Connect the charging and discharging contactors to the P6-P9 headers.
...	...	@@ -23,21 +23,18 @@
23	23	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.
24	24	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.
25	25
26		-== ​​​​Headers description ==
	8	+= ​​​​Headers description =
27	27
28	28	The BMS Main 2.1 headers are shown in figure below.
29	29
30		-[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
	12	+[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
31	31
32		-(% class="box warningmessage" %)
33		-(((
34		-**Attention!**
35		-All headers are shown from the device side!
36		-)))
	14	+(% class="wikigeneratedid" %)
	15	+Folo
37	37
38	38	=== P1 – header for power supply ===
39	39
40		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	19	+[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
41	41
42	42	|**Pin**|**Name**|**Description**
43	43	|**1**|**GND**|Ground
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45	45
46	46	=== P15 – header for BMS Logic ===
47	47
48		-[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
	27	+[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
49	49
50	50	|**Pin**|**Name**|**Description**
51	51	|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
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55	55
56	56	=== P12 – header for current sensor ===
57	57
58		-[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
	37	+[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
59	59
60	60	|**Pin**|**Name**|**Description**
61	61	|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
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65	65
66	66	=== P13 – header for humidity sensor ===
67	67
68		-[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
	47	+[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
69	69
70	70	|**Pin**|**Name**|**Description**
71	71	|**1**|**+5V**|Supply voltage 5 V, max 50 mA
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75	75
76	76	=== P8 – header of relay 1 ===
77	77
78		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	57	+[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
79	79
80	80	By default, relay 1 is used to control the discharging contactor.
81	81
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85	85
86	86	=== P9 – header of relay 2 ===
87	87
88		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	67	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
89	89
90	90	By default, relay 2 is used to output the “Allow charging” signal.
91	91
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95	95
96	96	=== P6 – header of relay 3 ===
97	97
98		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	77	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
99	99
100	100	By default, relay 3 is used to control the charging contactor.
101	101
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105	105
106	106	=== P7 – header of relay 4 ===
107	107
108		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	87	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
109	109
110	110	By default, relay 4 is used to control the heater.
111	111
112		-|**Pin**|**Name**|**Description**
113		-|**1**|**V+**|Switching voltage (up to 55V, max 8A)
114		-|**2**|**NO**|Normally open contact
	91	+**Pin**|**Name**|**Description**
	92	+**1**|**V+**|Switching voltage (up to 55V, max 8A)
	93	+**2**|**NO**|Normally open contact
115	115
116	116	=== P14 – header for CAN and RS-485 interfaces ===
117	117
118		-[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
	97	+[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
119	119
120		-(% style="width:641px" %)
121	121	|**Pin**|**Name**|**Description**
122	122	|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
123	123	|**2**|**CAN_H**|CAN H line for communication with external equipment
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128	128
129	129	=== P21 – CAN termination resistor jumper ===
130	130
131		-[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
	109	+[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
132	132
133	133	To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
134	134
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138	138
139	139	=== P22 - RS-485 termination resistor jumper ===
140	140
141		-[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
	119	+[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
142	142
143	143	To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
144	144
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148	148
149	149	=== P11 – header for discrete inputs/outputs ===
150	150
151		-[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
	129	+[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
152	152
153	153	|**Pin**|**Name**|**Description**
154	154	|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
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168	168	|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
169	169	|**1**|**GND_OUT_1**|Discrete output #1 (ground)
170	170
171		-== Indicators ==
	149	+= Indicators =
172	172
173	173	=== DS1 – power indicator ===
174	174
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190	190
191	191	=== DS4 – error indicator ===
192	192
	171	+|**State**|**Description**
	172	+|**Blinking red**|Errors in communication with BMS Logic
193	193
194		-|(**State**|**Description**
195		-|(**Blinking red**|Errors in communication with BMS Logic
196		-
197	197	=== DS7 – relay 1 indicator ===
198	198
199	199	|**State**|**Description**
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202	202
203	203	=== DS8 – relay 2 indicator ===
204	204
	182	+
205	205	|**State**|**Description**
206	206	|**Lights green**|Relay #2 is closed
207	207	|**Off**|Relay #2 is opened

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