Changes for page 2. Installation and connection

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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		-
16		-== Connection procedure ==
17		-
18	18	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.
19	19
20	20	1. Connect the charging and discharging contactors to the P6-P9 headers.
...	...	@@ -22,58 +22,50 @@
22	22	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.
23	23	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.
24	24
25		-== ​​​​Headers description ==
	8	+= ​​​​Headers description =
26	26
27	27	The BMS Main 2.1 headers are shown in figure below.
28	28
29		-[[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"]]
30	30
31		-(% class="box warningmessage" %)
32		-(((
33		-**Attention!**
34		-All headers are shown from the device side!
35		-)))
	14	+(% class="wikigeneratedid" %)
	15	+Following chapters describes the BMS Main 2.1 headers pinout.
36	36
37	37	=== P1 – header for power supply ===
38	38
39		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	19	+[[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
40	40
41		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	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
42	42
43		-|**Pin**|**Name**|**Description**
44		-|**1**|**GND**|Ground
45		-|**2**|**V+**|Supply voltage 9-30V
46		-
47	47	=== P15 – header for BMS Logic ===
48	48
49		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	28	+[[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
50	50
51		-[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
	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
52	52
53		-|**Pin**|**Name**|**Description**
54		-|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
55		-|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
56		-|**3**|**+5V**|Supply voltage for BMS Logic
57		-|**4**|**GND**|Ground
58		-
59	59	=== P12 – header for current sensor ===
60	60
61		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	39	+[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
62	62
63		-[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
	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)
64	64
65		-|**Pin**|**Name**|**Description**
66		-|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
67		-|**2**|**GND**|Ground
68		-|**3**|**Vcs**|ADC input (current sensor output)
69		-|**4**|**Vref**|ADC input (current sensor reference signal)
70		-
71	71	=== P13 – header for humidity sensor ===
72	72
73		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	50	+[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
74	74
75		-[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
76		-
77	77	|**Pin**|**Name**|**Description**
78	78	|**1**|**+5V**|Supply voltage 5 V, max 50 mA
79	79	|**2**|**GND**|Ground
...	...	@@ -82,10 +82,8 @@
82	82
83	83	=== P8 – header of relay 1 ===
84	84
85		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	60	+[[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
86	86
87		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
88		-
89	89	By default, relay 1 is used to control the discharging contactor.
90	90
91	91	|**Pin**|**Name**|**Description**
...	...	@@ -94,10 +94,8 @@
94	94
95	95	=== P9 – header of relay 2 ===
96	96
97		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	70	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
98	98
99		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
100		-
101	101	By default, relay 2 is used to output the “Allow charging” signal.
102	102
103	103	|**Pin**|**Name**|**Description**
...	...	@@ -106,10 +106,8 @@
106	106
107	107	=== P6 – header of relay 3 ===
108	108
109		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	80	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
110	110
111		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
112		-
113	113	By default, relay 3 is used to control the charging contactor.
114	114
115	115	|**Pin**|**Name**|**Description**
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118	118
119	119	=== P7 – header of relay 4 ===
120	120
121		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	90	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
122	122
123		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
124		-
125	125	By default, relay 4 is used to control the heater.
126	126
127	127	|**Pin**|**Name**|**Description**
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130	130
131	131	=== P14 – header for CAN and RS-485 interfaces ===
132	132
133		-Receptacle Housing: Molex 430250600. Terminals: Molex 43030
	100	+[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
134	134
135		-[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
136		-
137		-(% style="width:641px" %)
138	138	|**Pin**|**Name**|**Description**
139	139	|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
140	140	|**2**|**CAN_H**|CAN H line for communication with external equipment
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145	145
146	146	=== P21 – CAN termination resistor jumper ===
147	147
148		-[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
	112	+[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
149	149
150	150	To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
151	151
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155	155
156	156	=== P22 - RS-485 termination resistor jumper ===
157	157
158		-[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
	122	+[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
159	159
160	160	To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
161	161
...	...	@@ -165,10 +165,8 @@
165	165
166	166	=== P11 – header for discrete inputs/outputs ===
167	167
168		-Receptacle Housing: Molex 430251600. Terminals: Molex 43030
	132	+[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
169	169
170		-[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
171		-
172	172	|**Pin**|**Name**|**Description**
173	173	|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
174	174	|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
...	...	@@ -187,7 +187,7 @@
187	187	|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
188	188	|**1**|**GND_OUT_1**|Discrete output #1 (ground)
189	189
190		-== Indicators ==
	152	+= Indicators =
191	191
192	192	=== DS1 – power indicator ===
193	193
...	...	@@ -209,10 +209,9 @@
209	209
210	210	=== DS4 – error indicator ===
211	211
	174	+|**State**|**Description**
	175	+|**Blinking red**|Errors in communication with BMS Logic
212	212
213		-|(**State**|**Description**
214		-|(**Blinking red**|Errors in communication with BMS Logic
215		-
216	216	=== DS7 – relay 1 indicator ===
217	217
218	218	|**State**|**Description**
...	...	@@ -221,6 +221,7 @@
221	221
222	222	=== DS8 – relay 2 indicator ===
223	223
	185	+
224	224	|**State**|**Description**
225	225	|**Lights green**|Relay #2 is closed
226	226	|**Off**|Relay #2 is opened

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