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
...	...	@@ -82,63 +82,48 @@
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**
92		-|**1**|**V+**|Switching voltage (up to 55V, max 3A)
	65	+|**1**|**V+**|Switching voltage (up to 55V, max 2A)
93	93	|**2**|**NO**|Normally open contact
94	94
95		-Cont
96		-
97	97	=== P9 – header of relay 2 ===
98	98
99		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	70	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
100	100
101		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
102		-
103	103	By default, relay 2 is used to output the “Allow charging” signal.
104	104
105	105	|**Pin**|**Name**|**Description**
106		-|**1**|**V+**|Switching voltage (up to 55V, max 3A)
	75	+|**1**|**V+**|Switching voltage (up to 55V, max 2A)
107	107	|**2**|**NO**|Normally open contact
108	108
109	109	=== P6 – header of relay 3 ===
110	110
111		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	80	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
112	112
113		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
114		-
115	115	By default, relay 3 is used to control the charging contactor.
116	116
117	117	|**Pin**|**Name**|**Description**
118		-|**1**|**V+**|Switching voltage up to 55V,
119		-up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
	85	+|**1**|**V+**|Switching voltage (up to 55V, max 8A)
120	120	|**2**|**NO**|Normally open contact
121	121
122	122	=== P7 – header of relay 4 ===
123	123
124		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	90	+[[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
125	125
126		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
127		-
128	128	By default, relay 4 is used to control the heater.
129	129
130	130	|**Pin**|**Name**|**Description**
131		-|**1**|**V+**|Switching voltage up to 55V,
132		-up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
	95	+|**1**|**V+**|Switching voltage (up to 55V, max 8A)
133	133	|**2**|**NO**|Normally open contact
134	134
135	135	=== P14 – header for CAN and RS-485 interfaces ===
136	136
137		-Receptacle Housing: Molex 430250600. Terminals: Molex 43030
	100	+[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
138	138
139		-[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
140		-
141		-(% style="width:641px" %)
142	142	|**Pin**|**Name**|**Description**
143	143	|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
144	144	|**2**|**CAN_H**|CAN H line for communication with external equipment
...	...	@@ -149,7 +149,7 @@
149	149
150	150	=== P21 – CAN termination resistor jumper ===
151	151
152		-[[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"]]
153	153
154	154	To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
155	155
...	...	@@ -159,7 +159,7 @@
159	159
160	160	=== P22 - RS-485 termination resistor jumper ===
161	161
162		-[[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"]]
163	163
164	164	To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
165	165
...	...	@@ -169,10 +169,8 @@
169	169
170	170	=== P11 – header for discrete inputs/outputs ===
171	171
172		-Receptacle Housing: Molex 430251600. Terminals: Molex 43030
	132	+[[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
173	173
174		-[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
175		-
176	176	|**Pin**|**Name**|**Description**
177	177	|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
178	178	|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
...	...	@@ -191,7 +191,7 @@
191	191	|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
192	192	|**1**|**GND_OUT_1**|Discrete output #1 (ground)
193	193
194		-== Indicators ==
	152	+= Indicators =
195	195
196	196	=== DS1 – power indicator ===
197	197
...	...	@@ -213,10 +213,9 @@
213	213
214	214	=== DS4 – error indicator ===
215	215
	174	+|**State**|**Description**
	175	+|**Blinking red**|Errors in communication with BMS Logic
216	216
217		-|(**State**|**Description**
218		-|(**Blinking red**|Errors in communication with BMS Logic
219		-
220	220	=== DS7 – relay 1 indicator ===
221	221
222	222	|**State**|**Description**
...	...	@@ -225,6 +225,7 @@
225	225
226	226	=== DS8 – relay 2 indicator ===
227	227
	185	+
228	228	|**State**|**Description**
229	229	|**Lights green**|Relay #2 is closed
230	230	|**Off**|Relay #2 is opened

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