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Wiki source code of 2. Connection

Version 16.1 by Admin on 2024/11/13 17:11
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1 = ​​​​Headers =
2
3 The BMS Main 2.1 headers are shown in figure below.
4
5 [[The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||height="430" width="428"]]
6
7 === P1 – header for power supply ===
8
9 [[image:1731516593096-166.png||data-xwiki-image-style-alignment="center"]]
10
11 |(% style="width:100px" %)**Pin**|(% style="width:502px" %)**Name**|**Description**
12 |(% style="width:100px" %)**1**|(% style="width:502px" %)**GND**|Ground
13 |(% style="width:100px" %)**2**|(% style="width:502px" %)**V+**|Supply voltage 9-30V
14
15 === P15 – header for BMS Logic ===
16
17 [[image:1731516577472-301.png||data-xwiki-image-style-alignment="center"]]
18
19 |(% style="width:100px" %)**Pin**|(% style="width:290px" %)**Name**|**Description**
20 |(% style="width:100px" %)**1**|(% style="width:290px" %)**RS485_A**|RS-485 line A for communication with BMS Logic
21 |(% style="width:100px" %)**2**|(% style="width:290px" %)**RS485_B**|RS-485 line B for communication with BMS Logic
22 |(% style="width:100px" %)**3**|(% style="width:290px" %)**+5V**|Supply voltage for BMS Logic
23 |(% style="width:100px" %)**4**|(% style="width:290px" %)**GND**|Ground
24
25 === P12 – header for current sensor ===
26
27 [[image:1731516685999-633.png||data-xwiki-image-style-alignment="center"]]
28
29 |(% style="width:100px" %)**Pin**|(% style="width:293px" %)**Name**|(% style="width:1129px" %)**Description**
30 |(% style="width:100px" %)**1**|(% style="width:293px" %)**+5V**|(% style="width:1129px" %)Supply voltage for the current sensor 5V, max 50 mA
31 |(% style="width:100px" %)**2**|(% style="width:293px" %)**GND**|(% style="width:1129px" %)Ground
32 |(% style="width:100px" %)**3**|(% style="width:293px" %)**Vcs**|(% style="width:1129px" %)ADC input (current sensor output)
33 |(% style="width:100px" %)**4**|(% style="width:293px" %)**Vref**|(% style="width:1129px" %)ADC input (current sensor reference signal)
34
35 === P13 – header for humidity sensor ===
36
37 [[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
38
39 |(% style="width:100px" %)**Pin**|(% style="width:292px" %)**Name**|(% style="width:1130px" %)**Description**
40 |(% style="width:100px" %)**1**|(% style="width:292px" %)**+5V**|(% style="width:1130px" %)Supply voltage 5 V, max 50 mA
41 |(% style="width:100px" %)**2**|(% style="width:292px" %)**GND**|(% style="width:1130px" %)Ground
42 |(% style="width:100px" %)**3**|(% style="width:292px" %)**Vhs**|(% style="width:1130px" %)ADC input (humidity sensor output)
43 |(% style="width:100px" %)**4**|(% style="width:292px" %)**Vts**|(% style="width:1130px" %)ADC input (temperature sensor output)
44
45 === P8 – header of relay 1 ===
46
47 [[image:1731517023208-641.png||data-xwiki-image-style-alignment="center"]]
48
49 By default, relay 1 is used to control the discharging contactor.
50
51 |(% style="width:100px" %)**Pin**|(% style="width:291px" %)**Name**|(% style="width:1131px" %)**Description**
52 |(% style="width:100px" %)**1**|(% style="width:291px" %)**V+**|(% style="width:1131px" %)Switching voltage (up to 55V, max 2A)
53 |(% style="width:100px" %)**2**|(% style="width:291px" %)**NO**|(% style="width:1131px" %)Normally open contact
54
55 === P9 – header of relay 2 ===
56
57 [[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
58
59 By default, relay 2 is used to output the “Allow charging” signal.
60
61 |(% style="width:100px" %)**Pin**|(% style="width:297px" %)**Name**|(% style="width:1125px" %)**Description**
62 |(% style="width:100px" %)**1**|(% style="width:297px" %)**V+**|(% style="width:1125px" %)Switching voltage (up to 55V, max 2A)
63 |(% style="width:100px" %)**2**|(% style="width:297px" %)**NO**|(% style="width:1125px" %)Normally open contact
64
65 === P6 – header of relay 3 ===
66
67 [[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
68
69 By default, relay 3 is used to control the charging contactor.
70
71 |(% style="width:100px" %)**Pin**|(% style="width:297px" %)**Name**|(% style="width:1125px" %)**Description**
72 |(% style="width:100px" %)**1**|(% style="width:297px" %)**V+**|(% style="width:1125px" %)Switching voltage (up to 55V, max 8A)
73 |(% style="width:100px" %)**2**|(% style="width:297px" %)**NO**|(% style="width:1125px" %)Normally open contact
74
75 === P7 – header of relay 4 ===
76
77 [[image:1731517025702-799.png||data-xwiki-image-style-alignment="center"]]
78
79 By default, relay 4 is used to control the heater.
80
81 |(% style="width:100px" %)**Pin**|(% style="width:298px" %)**Name**|(% style="width:1124px" %)**Description**
82 |(% style="width:100px" %)**1**|(% style="width:298px" %)**V+**|(% style="width:1124px" %)Switching voltage (up to 55V, max 8A)
83 |(% style="width:100px" %)**2**|(% style="width:298px" %)**NO**|(% style="width:1124px" %)Normally open contact
84
85 === P14 – header for CAN and RS-485 interfaces ===
86
87 [[image:1731517180930-597.png||data-xwiki-image-style-alignment="center"]]
88
89 |(% style="width:100px" %)**Pin**|**Name**|**Description**
90 |(% style="width:100px" %)**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
91 |(% style="width:100px" %)**2**|**CAN_H**|CAN H line for communication with external equipment
92 |(% style="width:100px" %)**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
93 |(% style="width:100px" %)**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
94 |(% style="width:100px" %)**5**|**CAN_L**|CAN L line for communication with external equipment
95 |(% style="width:100px" %)**6**|**GND_CAN**|Ground
96
97 === P21 – CAN termination resistor jumper ===
98
99 [[image:1731517188900-976.png||data-xwiki-image-style-alignment="center"]]
100
101 To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
102
103 |(% style="width:100px" %)**Pin**|(% style="width:299px" %)**Name**|(% style="width:1123px" %)**Description**
104 |(% style="width:100px" %)**1-2**|(% style="width:299px" %)**120 Ohm**|(% style="width:1123px" %)Termination resistor 120 Ohm is connected
105 |(% style="width:100px" %)**2-3**|(% style="width:299px" %)**-**|(% style="width:1123px" %)Termination resistor 120 Ohm is not connected
106
107 === P22 - RS-485 termination resistor jumper ===
108
109 [[image:1731517195672-298.png||data-xwiki-image-style-alignment="center"]]
110
111 To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
112
113 |(% style="width:100px" %)**Pin**|(% style="width:301px" %)**Name**|(% style="width:1121px" %)**Description**
114 |(% style="width:100px" %)**1-2**|(% style="width:301px" %)**120 Ohm**|(% style="width:1121px" %)Terminating resistor 120 Ohm is connected
115 |(% style="width:100px" %)**2-3**|(% style="width:301px" %)**-**|(% style="width:1121px" %)Terminating resistor 120 Ohm is not connected
116
117 === P11 – header for discrete inputs/outputs ===
118
119 [[image:1731517206246-979.png||data-xwiki-image-style-alignment="center"]]
120
121 |(% style="width:100px" %)**Pin**|(% style="width:310px" %)**Name**|(% style="width:1112px" %)**Description**
122 |(% style="width:100px" %)**16**|(% style="width:310px" %)**IN_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (+5V)
123 |(% style="width:100px" %)**8**|(% style="width:310px" %)**GND_1**|(% style="width:1112px" %)Discrete input #1 “dry contact” (ground)
124 |(% style="width:100px" %)**15**|(% style="width:310px" %)**IN_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (+5V)
125 |(% style="width:100px" %)**7**|(% style="width:310px" %)**GND_2**|(% style="width:1112px" %)Discrete input #2 “dry contact” (ground)
126 |(% style="width:100px" %)**14**|(% style="width:310px" %)**IN_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (+5V)
127 |(% style="width:100px" %)**6**|(% style="width:310px" %)**GND_3**|(% style="width:1112px" %)Discrete input #3 “dry contact” (ground)
128 |(% style="width:100px" %)**13**|(% style="width:310px" %)**IN_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (+5V)
129 |(% style="width:100px" %)**5**|(% style="width:310px" %)**GND_4**|(% style="width:1112px" %)Discrete input #4 “dry contact” (ground)
130 |(% style="width:100px" %)**12**|(% style="width:310px" %)**OUT_4**|(% style="width:1112px" %)Discrete output #4 (+5V, 20mA)
131 |(% style="width:100px" %)**4**|(% style="width:310px" %)**GND_OUT_4**|(% style="width:1112px" %)Discrete output #4 (ground)
132 |(% style="width:100px" %)**11**|(% style="width:310px" %)**OUT_3**|(% style="width:1112px" %)Discrete output #3 (+5V, 20mA)
133 |(% style="width:100px" %)**3**|(% style="width:310px" %)**GND_OUT_3**|(% style="width:1112px" %)Discrete output #3 (ground)
134 |(% style="width:100px" %)**10**|(% style="width:310px" %)**OUT_2**|(% style="width:1112px" %)Discrete output #2 (+5V, 20mA)
135 |(% style="width:100px" %)**2**|(% style="width:310px" %)**GND_OUT_2**|(% style="width:1112px" %)Discrete output #2 (ground)
136 |(% style="width:100px" %)**9**|(% style="width:310px" %)**OUT_1**|(% style="width:1112px" %)Discrete output #1 (+5V, 20mA)
137 |(% style="width:100px" %)**1**|(% style="width:310px" %)**GND_OUT_1**|(% style="width:1112px" %)Discrete output #1 (ground)
138
139 = Indicators =
140
141 === DS1 – power indicator ===
142
143 |(% style="width:100px" %)**State**|**Description**
144 |(% style="width:100px" %)**Lights red**|The device is powered
145 |(% style="width:100px" %)**Off**|The device is not powered
146
147 === DS2 – operation indicator ===
148
149 |(% style="width:100px" %)**State**|**Description**
150 |(% style="width:100px" %)**Blinking green**|The BMS firmware is running
151 |(% style="width:100px" %)**Off**|The BMS firmware is not running
152
153 === DS3 – communication indicator ===
154
155 |(% style="width:100px" %)**State**|**Description**
156 |(% style="width:100px" %)**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
157 |(% style="width:100px" %)**Blinking yellow (25Hz)**|Communication with BMS Logic is established
158
159 === DS4 – error indicator ===
160
161 |(% style="width:100px" %)**State**|**Description**
162 |(% style="width:100px" %)**Blinking red**|Errors in communication with BMS Logic
163
164 === DS7 – relay 1 indicator ===
165
166 |(% style="width:100px" %)**State**|**Description**
167 |(% style="width:100px" %)**Lights green**|Relay #1 is closed
168 |(% style="width:100px" %)**Off**|Relay #1 is opened
169
170 === DS8 – relay 2 indicator ===
171
172 |(% style="width:100px" %)**State**|**Description**
173 |(% style="width:100px" %)**Lights green**|Relay #2 is closed
174 |(% style="width:100px" %)**Off**|Relay #2 is opened
175
176 === DS5 – relay 3 indicator ===
177
178 |(% style="width:100px" %)**State**|**Description**
179 |(% style="width:100px" %)**Lights green**|Relay #3 is closed
180 |(% style="width:100px" %)**Off**|Relay #3 is opened
181
182 === DS6 – relay 4 indicator ===
183
184 |(% style="width:100px" %)**State**|**Description**
185 |(% style="width:100px" %)**Lights green**|Relay #4 is closed
186 |(% style="width:100px" %)**Off**|Relay #4 is opened
187
188