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Last modified by Admin on 2025/07/15 17:33
From version 26.2
edited by Admin
on 2024/11/21 14:13
Change comment: There is no comment for this version
To version 69.1
edited by Admin
on 2025/07/15 17:31
Change comment: There is no comment for this version

Summary

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1 -drafts.bms-main-2-1.WebHome
1 +Battery management systems.BMS Main 2\.1.WebHome
Content
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1 -== 2.1 Installation procedure ==
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 =
2 2  
3 -Overall and mounting dimensions of the BMS Main 2.1 are shown in Figure 29.
4 +== Safety rules ==
4 4  
5 -[[Dimensions of the BMS Main 2.1>>image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
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.
6 6  
7 -== ==
8 +Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
8 8  
9 -== 2.2 Connection procedure ==
10 +(% class="box errormessage" %)
11 +(((
12 +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.
13 +)))
10 10  
15 +(% class="box errormessage" %)
16 +(((
17 +The system is not designed to operate with batteries whose total voltage exceeds 1200 V.
18 +)))
19 +
20 +== Installation procedure ==
21 +
22 +Overall and mounting dimensions of the BMS Main 2.1 are shown below.
23 +
24 +[[image:1752600650898-961.png||data-xwiki-image-style-alignment="center" height="546" width="450"]]
25 +
26 +(% style="width:494px" %)
27 +|**Parameter**|(% style="width:178px" %)**Value**
28 +|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 17
29 +|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
30 +|Mounting holes|(% style="width:178px" %)M3
31 +
32 +== Connection procedure ==
33 +
11 11  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.
12 12  
13 13  1. Connect the charging and discharging contactors to the P6-P9 headers.
... ... @@ -15,214 +15,231 @@
15 15  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.
16 16  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.
17 17  
18 -== 2.2 ​​​​Headers description ==
41 +== ​​​​Headers description ==
19 19  
20 20  The BMS Main 2.1 headers are shown in figure below.
21 21  
22 -[[The BMS Main 2.1 headers>>image:1731517946345-632.png||height="417" width="451"]]
45 +[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
23 23  
24 -(% class="wikigeneratedid" %)
25 -Following chapters describes the BMS Main 2.1 headers pinout.
47 +(% class="box warningmessage" %)
48 +(((
49 +**Attention!**
50 +All headers are shown from the device side!
51 +)))
26 26  
27 -=== 2.2.1 P1 – header for power supply ===
53 +=== P1 – header for power supply ===
28 28  
29 -[[image:1731516593096-166.png||height="80" width="42"]]
55 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
30 30  
31 -(% style="width:339px" %)
32 -|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
33 -|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
34 -|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
57 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
35 35  
36 -=== 2.2.2 P15 – header for BMS Logic ===
59 +|**Pin**|**Name**|**Description**
60 +|**1**|**GND**|Ground
61 +|**2**|**V+**|Supply voltage 9-30V
37 37  
38 -[[image:1731516577472-301.png||height="77" width="71"]]
63 +=== P15 – header for BMS Logic ===
39 39  
40 -(% style="width:524px" %)
41 -|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
42 -|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
43 -|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
44 -|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
45 -|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
65 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
46 46  
47 -=== 2.2.3 P12 – header for current sensor ===
67 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
48 48  
49 -[[image:1731516685999-633.png||height="74" width="68"]]
69 +|**Pin**|**Name**|**Description**
70 +|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
71 +|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
72 +|**3**|**+5V**|Supply voltage for BMS Logic
73 +|**4**|**GND**|Ground
50 50  
51 -(% style="width:531px" %)
52 -|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
53 -|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
54 -|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
55 -|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
56 -|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
75 +=== P12 – header for current sensor ===
57 57  
58 -=== 2.2.4 P13 – header for humidity sensor ===
77 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
59 59  
60 -[[image:1731516942455-641.png||height="70" width="64"]]
79 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
61 61  
62 -(% style="width:531px" %)
63 -|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
64 -|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
65 -|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
66 -|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
67 -|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
81 +|**Pin**|**Name**|**Description**
82 +|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
83 +|**2**|**GND**|Ground
84 +|**3**|**Vcs**|ADC input (current sensor output)
85 +|**4**|**Vref**|ADC input (current sensor reference signal)
68 68  
69 -=== 2.2.5 P8 – header of relay 1 ===
87 +=== P13 – header for humidity sensor ===
70 70  
71 -[[image:1731517023208-641.png||height="80" width="42"]]
89 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
72 72  
91 +[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
92 +
93 +|**Pin**|**Name**|**Description**
94 +|**1**|**+5V**|Supply voltage 5 V, max 50 mA
95 +|**2**|**GND**|Ground
96 +|**3**|**Vhs**|ADC input (humidity sensor output)
97 +|**4**|**Vts**|ADC input (temperature sensor output)
98 +
99 +=== P8 – header of relay 1 ===
100 +
101 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
102 +
103 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
104 +
73 73  By default, relay 1 is used to control the discharging contactor.
74 74  
75 -(% style="width:527px" %)
76 -|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
77 -|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
78 -|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
107 +|**Pin**|**Name**|**Description**
108 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
109 +|**2**|**NO**|Normally open contact
79 79  
80 -=== 2.2.6 P9 – header of relay 2 ===
111 +Contactor connection example for all relays:
81 81  
82 -[[image:1731517025702-799.png||height="71" width="37"]]
113 +[[image:1741619814065-850.png||height="189" width="252"]]
83 83  
115 +=== P9 – header of relay 2 ===
116 +
117 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
118 +
119 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
120 +
84 84  By default, relay 2 is used to output the “Allow charging” signal.
85 85  
86 -(% style="width:524px" %)
87 -|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
88 -|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
89 -|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
123 +|**Pin**|**Name**|**Description**
124 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
125 +|**2**|**NO**|Normally open contact
90 90  
91 -=== 2.2.7 P6 – header of relay 3 ===
127 +Contactor connection example: see relay 1.
92 92  
93 -[[image:1731517025702-799.png||height="67" width="35"]]
129 +=== P6 – header of relay 3 ===
94 94  
131 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
132 +
133 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
134 +
95 95  By default, relay 3 is used to control the charging contactor.
96 96  
97 -(% style="width:524px" %)
98 -|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
99 -|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
100 -|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
137 +|**Pin**|**Name**|**Description**
138 +|**1**|**V+**|Switching voltage up to 55V,
139 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
140 +|**2**|**NO**|Normally open contact
101 101  
102 -=== 2.2.8 P7 – header of relay 4 ===
142 +Contactor connection example: see relay 1.
103 103  
104 -[[image:1731517025702-799.png||height="65" width="34"]]
144 +=== P7 – header of relay 4 ===
105 105  
146 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
147 +
148 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
149 +
106 106  By default, relay 4 is used to control the heater.
107 107  
108 -(% style="width:530px" %)
109 -|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
110 -|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
111 -|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
152 +|**Pin**|**Name**|**Description**
153 +|**1**|**V+**|Switching voltage up to 55V,
154 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
155 +|**2**|**NO**|Normally open contact
112 112  
113 -=== 2.2.9 P14 – header for CAN and RS-485 interfaces ===
157 +Contactor connection example: see relay 1.
114 114  
115 -[[image:1731517180930-597.png||height="81" width="113"]]
159 +=== P14 – header for CAN and RS-485 interfaces ===
116 116  
161 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
162 +
163 +[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
164 +
117 117  (% style="width:641px" %)
118 -|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
119 -|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
120 -|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
121 -|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
122 -|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
123 -|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
124 -|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
166 +|**Pin**|**Name**|**Description**
167 +|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
168 +|**2**|**CAN_H**|CAN H line for communication with external equipment
169 +|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
170 +|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
171 +|**5**|**CAN_L**|CAN L line for communication with external equipment
172 +|**6**|**GND_CAN**|Ground
125 125  
126 -=== 2.2.10 P21 – CAN termination resistor jumper ===
174 +=== P21 – CAN termination resistor jumper ===
127 127  
128 -[[image:1731517188900-976.png||height="78" width="149"]]
176 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
129 129  
130 130  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
131 131  
132 -(% style="width:643px" %)
133 -|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description**
134 -|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
135 -|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
180 +|**Pin**|**Name**|**Description**
181 +|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
182 +|**2-3**|**-**|Termination resistor 120 Ohm is not connected
136 136  
137 -=== 2.2.11 P22 - RS-485 termination resistor jumper ===
184 +=== P22 - RS-485 termination resistor jumper ===
138 138  
139 -[[image:1731517195672-298.png||height="81" width="155"]]
186 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
140 140  
141 141  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
142 142  
143 -(% style="width:644px" %)
144 -|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description**
145 -|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
146 -|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
190 +|**Pin**|**Name**|**Description**
191 +|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
192 +|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
147 147  
148 -=== 2.2.12 P11 – header for discrete inputs/outputs ===
194 +=== P11 – header for discrete inputs/outputs ===
149 149  
150 -[[image:1731517206246-979.png||height="81" width="258"]]
196 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
151 151  
152 -(% style="width:584px" %)
153 -|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
154 -|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V)
155 -|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground)
156 -|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V)
157 -|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground)
158 -|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V)
159 -|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground)
160 -|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V)
161 -|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground)
162 -|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA)
163 -|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground)
164 -|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA)
165 -|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground)
166 -|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA)
167 -|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground)
168 -|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
169 -|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
198 +[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
170 170  
171 -= 2.3 Indicators =
200 +|**Pin**|**Name**|**Description**
201 +|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
202 +|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
203 +|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
204 +|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
205 +|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
206 +|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
207 +|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
208 +|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
209 +|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
210 +|**4**|**GND_OUT_4**|Discrete output #4 (ground)
211 +|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
212 +|**3**|**GND_OUT_3**|Discrete output #3 (ground)
213 +|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
214 +|**2**|**GND_OUT_2**|Discrete output #2 (ground)
215 +|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
216 +|**1**|**GND_OUT_1**|Discrete output #1 (ground)
172 172  
173 -=== 2.3.1 DS1 – power indicator ===
218 +== Indicators ==
174 174  
175 -(% style="width:442px" %)
176 -|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
177 -|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
178 -|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
220 +=== DS1 – power indicator ===
179 179  
180 -=== 2.3.2 DS2 – operation indicator ===
222 +|**State**|**Description**
223 +|**Lights red**|The device is powered
224 +|**Off**|The device is not powered
181 181  
182 -(% style="width:442px" %)
183 -|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
184 -|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
185 -|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
226 +=== DS2 – operation indicator ===
186 186  
187 -=== 2.3.3 DS3 – communication indicator ===
228 +|**State**|**Description**
229 +|**Blinking green**|The BMS firmware is running
230 +|**Off**|The BMS firmware is not running
188 188  
189 -(% style="width:539px" %)
190 -|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
191 -|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
192 -|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
232 +=== DS3 – communication indicator ===
193 193  
194 -=== 2.3.4 DS4 – error indicator ===
234 +|**State**|**Description**
235 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
236 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
195 195  
196 -(% style="width:539px" %)
197 -|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
198 -|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
238 +=== DS4 – error indicator ===
199 199  
200 -=== 2.3.5 DS7 – relay 1 indicator ===
201 201  
202 -(% style="width:541px" %)
203 -|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
204 -|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
205 -|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
241 +|(**State**|**Description**
242 +|(**Blinking red**|Errors in communication with BMS Logic
206 206  
207 -=== 2.3.6 DS8 – relay 2 indicator ===
244 +=== DS7 – relay 1 indicator ===
208 208  
209 -(% style="width:542px" %)
210 -|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
211 -|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
212 -|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
246 +|**State**|**Description**
247 +|**Lights green**|Relay #1 is closed
248 +|**Off**|Relay #1 is opened
213 213  
214 -=== 2.3.7 DS5 – relay 3 indicator ===
250 +=== DS8 – relay 2 indicator ===
215 215  
216 -(% style="width:542px" %)
217 -|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
218 -|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
219 -|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
252 +|**State**|**Description**
253 +|**Lights green**|Relay #2 is closed
254 +|**Off**|Relay #2 is opened
220 220  
221 -=== 2.3.8 DS6 – relay 4 indicator ===
256 +=== DS5 – relay 3 indicator ===
222 222  
223 -(% style="width:542px" %)
224 -|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
225 -|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
226 -|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
258 +|**State**|**Description**
259 +|**Lights green**|Relay #3 is closed
260 +|**Off**|Relay #3 is opened
227 227  
262 +=== DS6 – relay 4 indicator ===
263 +
264 +|**State**|**Description**
265 +|**Lights green**|Relay #4 is closed
266 +|**Off**|Relay #4 is opened
267 +
228 228  
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