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Last modified by Admin on 2025/07/15 17:33
From version 63.1
edited by Admin
on 2025/03/18 12:17
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To version 25.5
edited by Admin
on 2024/11/21 14:11
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
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1 -2. Installation and connection
1 +2. Connection
Parent
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1 -Battery management systems.BMS Main 2\.1.WebHome
1 +drafts.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 =
1 +== 2.1 Connection procedure ==
3 3  
4 -== Safety rules ==
5 -
6 -To perform the protection functions, the BMS must be able to disconnect the battery from the load and charger. To do this, at least one contactor able to break the load and charge circuits must be connected to the BMS.
7 -
8 -Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
9 -
10 -It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
11 -
12 -(% class="box warningmessage" %)
13 -(((
14 -The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools and appliances. To prevent the damage of device avoid electrostatic discharges while working with the battery.
15 -)))
16 -
17 -(% class="box errormessage" %)
18 -(((
19 -**The system is not designed to operate with batteries whose total voltage exceeds 1200 V.**
20 -)))
21 -
22 -== Installation procedure ==
23 -
24 -Overall and mounting dimensions of the BMS Main 2.1 are shown below.
25 -
26 -[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
27 -
28 -(% style="width:494px" %)
29 -|**Parameter**|(% style="width:178px" %)**Value**
30 -|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 32
31 -|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
32 -|Mounting holes|(% style="width:178px" %)M3
33 -
34 -== Connection procedure ==
35 -
36 36  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.
37 37  
38 38  1. Connect the charging and discharging contactors to the P6-P9 headers.
... ... @@ -40,231 +40,214 @@
40 40  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.
41 41  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.
42 42  
43 -== ​​​​Headers description ==
10 +== 2.2 ​​​​Headers description ==
44 44  
45 45  The BMS Main 2.1 headers are shown in figure below.
46 46  
47 -[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
14 +[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
48 48  
49 -(% class="box warningmessage" %)
50 -(((
51 -**Attention!**
52 -All headers are shown from the device side!
53 -)))
16 +(% class="wikigeneratedid" %)
17 +Following chapters describes the BMS Main 2.1 headers pinout.
54 54  
55 -=== P1 – header for power supply ===
19 +=== 2.2.1 P1 – header for power supply ===
56 56  
57 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
21 +[[image:1731516593096-166.png||height="80" width="42"]]
58 58  
59 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
23 +(% style="width:339px" %)
24 +|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
25 +|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
26 +|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
60 60  
61 -|**Pin**|**Name**|**Description**
62 -|**1**|**GND**|Ground
63 -|**2**|**V+**|Supply voltage 9-30V
28 +=== 2.2.2 P15 – header for BMS Logic ===
64 64  
65 -=== P15 – header for BMS Logic ===
30 +[[image:1731516577472-301.png||height="77" width="71"]]
66 66  
67 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
32 +(% style="width:524px" %)
33 +|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
34 +|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
35 +|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
36 +|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
37 +|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
68 68  
69 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
39 +=== 2.2.3 P12 – header for current sensor ===
70 70  
71 -|**Pin**|**Name**|**Description**
72 -|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
73 -|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
74 -|**3**|**+5V**|Supply voltage for BMS Logic
75 -|**4**|**GND**|Ground
41 +[[image:1731516685999-633.png||height="74" width="68"]]
76 76  
77 -=== P12 – header for current sensor ===
43 +(% style="width:531px" %)
44 +|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
45 +|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
46 +|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
47 +|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
48 +|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
78 78  
79 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
50 +=== 2.2.4 P13 – header for humidity sensor ===
80 80  
81 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
52 +[[image:1731516942455-641.png||height="70" width="64"]]
82 82  
83 -|**Pin**|**Name**|**Description**
84 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
85 -|**2**|**GND**|Ground
86 -|**3**|**Vcs**|ADC input (current sensor output)
87 -|**4**|**Vref**|ADC input (current sensor reference signal)
54 +(% style="width:531px" %)
55 +|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
56 +|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
57 +|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
58 +|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
59 +|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
88 88  
89 -=== P13 – header for humidity sensor ===
61 +=== 2.2.5 P8 – header of relay 1 ===
90 90  
91 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
63 +[[image:1731517023208-641.png||height="80" width="42"]]
92 92  
93 -[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
94 -
95 -|**Pin**|**Name**|**Description**
96 -|**1**|**+5V**|Supply voltage 5 V, max 50 mA
97 -|**2**|**GND**|Ground
98 -|**3**|**Vhs**|ADC input (humidity sensor output)
99 -|**4**|**Vts**|ADC input (temperature sensor output)
100 -
101 -=== P8 – header of relay 1 ===
102 -
103 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
104 -
105 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
106 -
107 107  By default, relay 1 is used to control the discharging contactor.
108 108  
109 -|**Pin**|**Name**|**Description**
110 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
111 -|**2**|**NO**|Normally open contact
67 +(% style="width:527px" %)
68 +|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
69 +|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
70 +|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
112 112  
113 -Contactor connection example for all relays:
72 +=== 2.2.6 P9 – header of relay 2 ===
114 114  
115 -[[image:1741619814065-850.png||height="189" width="252"]]
74 +[[image:1731517025702-799.png||height="71" width="37"]]
116 116  
117 -=== P9 – header of relay 2 ===
118 -
119 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
120 -
121 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
122 -
123 123  By default, relay 2 is used to output the “Allow charging” signal.
124 124  
125 -|**Pin**|**Name**|**Description**
126 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
127 -|**2**|**NO**|Normally open contact
78 +(% style="width:524px" %)
79 +|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
80 +|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
81 +|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
128 128  
129 -Contactor connection example: see relay 1.
83 +=== 2.2.7 P6 – header of relay 3 ===
130 130  
131 -=== P6 – header of relay 3 ===
85 +[[image:1731517025702-799.png||height="67" width="35"]]
132 132  
133 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
134 -
135 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
136 -
137 137  By default, relay 3 is used to control the charging contactor.
138 138  
139 -|**Pin**|**Name**|**Description**
140 -|**1**|**V+**|Switching voltage up to 55V,
141 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
142 -|**2**|**NO**|Normally open contact
89 +(% style="width:524px" %)
90 +|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
91 +|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
92 +|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
143 143  
144 -Contactor connection example: see relay 1.
94 +=== 2.2.8 P7 – header of relay 4 ===
145 145  
146 -=== P7 – header of relay 4 ===
96 +[[image:1731517025702-799.png||height="65" width="34"]]
147 147  
148 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
149 -
150 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
151 -
152 152  By default, relay 4 is used to control the heater.
153 153  
154 -|**Pin**|**Name**|**Description**
155 -|**1**|**V+**|Switching voltage up to 55V,
156 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
157 -|**2**|**NO**|Normally open contact
100 +(% style="width:530px" %)
101 +|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
102 +|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
103 +|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
158 158  
159 -Contactor connection example: see relay 1.
105 +=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
160 160  
161 -=== P14 – header for CAN and RS-485 interfaces ===
107 +[[image:1731517180930-597.png||height="81" width="113"]]
162 162  
163 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
164 -
165 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
166 -
167 167  (% style="width:641px" %)
168 -|**Pin**|**Name**|**Description**
169 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
170 -|**2**|**CAN_H**|CAN H line for communication with external equipment
171 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
172 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
173 -|**5**|**CAN_L**|CAN L line for communication with external equipment
174 -|**6**|**GND_CAN**|Ground
110 +|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
111 +|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
112 +|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
113 +|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
114 +|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
115 +|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
116 +|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
175 175  
176 -=== P21 – CAN termination resistor jumper ===
118 +=== 2.2.10 P21 – CAN termination resistor jumper ===
177 177  
178 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
120 +[[image:1731517188900-976.png||height="78" width="149"]]
179 179  
180 180  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
181 181  
182 -|**Pin**|**Name**|**Description**
183 -|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
184 -|**2-3**|**-**|Termination resistor 120 Ohm is not connected
124 +(% style="width:643px" %)
125 +|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description**
126 +|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
127 +|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
185 185  
186 -=== P22 - RS-485 termination resistor jumper ===
129 +=== 2.2.11 P22 - RS-485 termination resistor jumper ===
187 187  
188 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
131 +[[image:1731517195672-298.png||height="81" width="155"]]
189 189  
190 190  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
191 191  
192 -|**Pin**|**Name**|**Description**
193 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
194 -|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
135 +(% style="width:644px" %)
136 +|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description**
137 +|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
138 +|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
195 195  
196 -=== P11 – header for discrete inputs/outputs ===
140 +=== 2.2.12 P11 – header for discrete inputs/outputs ===
197 197  
198 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
142 +[[image:1731517206246-979.png||height="81" width="258"]]
199 199  
200 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
144 +(% style="width:584px" %)
145 +|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
146 +|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V)
147 +|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground)
148 +|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V)
149 +|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground)
150 +|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V)
151 +|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground)
152 +|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V)
153 +|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground)
154 +|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA)
155 +|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground)
156 +|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA)
157 +|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground)
158 +|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA)
159 +|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground)
160 +|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
161 +|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
201 201  
202 -|**Pin**|**Name**|**Description**
203 -|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
204 -|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
205 -|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
206 -|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
207 -|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
208 -|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
209 -|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
210 -|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
211 -|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
212 -|**4**|**GND_OUT_4**|Discrete output #4 (ground)
213 -|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
214 -|**3**|**GND_OUT_3**|Discrete output #3 (ground)
215 -|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
216 -|**2**|**GND_OUT_2**|Discrete output #2 (ground)
217 -|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
218 -|**1**|**GND_OUT_1**|Discrete output #1 (ground)
163 += 2.3 Indicators =
219 219  
220 -== Indicators ==
165 +=== 2.3.1 DS1 – power indicator ===
221 221  
222 -=== DS1 – power indicator ===
167 +(% style="width:442px" %)
168 +|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
169 +|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
170 +|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
223 223  
224 -|**State**|**Description**
225 -|**Lights red**|The device is powered
226 -|**Off**|The device is not powered
172 +=== 2.3.2 DS2 – operation indicator ===
227 227  
228 -=== DS2 – operation indicator ===
174 +(% style="width:442px" %)
175 +|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
176 +|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
177 +|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
229 229  
230 -|**State**|**Description**
231 -|**Blinking green**|The BMS firmware is running
232 -|**Off**|The BMS firmware is not running
179 +=== 2.3.3 DS3 – communication indicator ===
233 233  
234 -=== DS3 – communication indicator ===
181 +(% style="width:539px" %)
182 +|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
183 +|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
184 +|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
235 235  
236 -|**State**|**Description**
237 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
238 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
186 +=== 2.3.4 DS4 – error indicator ===
239 239  
240 -=== DS4 – error indicator ===
188 +(% style="width:539px" %)
189 +|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
190 +|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
241 241  
192 +=== 2.3.5 DS7 – relay 1 indicator ===
242 242  
243 -|(**State**|**Description**
244 -|(**Blinking red**|Errors in communication with BMS Logic
194 +(% style="width:541px" %)
195 +|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
196 +|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
197 +|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
245 245  
246 -=== DS7 – relay 1 indicator ===
199 +=== 2.3.6 DS8 – relay 2 indicator ===
247 247  
248 -|**State**|**Description**
249 -|**Lights green**|Relay #1 is closed
250 -|**Off**|Relay #1 is opened
201 +(% style="width:542px" %)
202 +|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
203 +|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
204 +|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
251 251  
252 -=== DS8 – relay 2 indicator ===
206 +=== 2.3.7 DS5 – relay 3 indicator ===
253 253  
254 -|**State**|**Description**
255 -|**Lights green**|Relay #2 is closed
256 -|**Off**|Relay #2 is opened
208 +(% style="width:542px" %)
209 +|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
210 +|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
211 +|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
257 257  
258 -=== DS5 – relay 3 indicator ===
213 +=== 2.3.8 DS6 – relay 4 indicator ===
259 259  
260 -|**State**|**Description**
261 -|**Lights green**|Relay #3 is closed
262 -|**Off**|Relay #3 is opened
215 +(% style="width:542px" %)
216 +|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
217 +|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
218 +|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
263 263  
264 -=== DS6 – relay 4 indicator ===
265 -
266 -|**State**|**Description**
267 -|**Lights green**|Relay #4 is closed
268 -|**Off**|Relay #4 is opened
269 -
270 270  
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