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Last modified by Admin on 2025/07/15 17:33
From version 43.3
edited by Admin
on 2024/11/22 15:12
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To version 56.2
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1 -drafts.bms-main-2.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 +== Installation procedure ==
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 +Overall and mounting dimensions of the BMS Main 2.1 are shown below.
6 6  
7 -|**Parameter**|**Value**
8 -|(((
9 -Overall dimensions (length × width × height), mm
10 -)))|120 × 120 × 32
11 -|Mounting dimensions (length × width), mm|114 × 114
12 -|Mounting holes|M3
8 +[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
13 13  
14 -== 2.2 Connection procedure ==
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 15  
16 +== Connection procedure ==
17 +
16 16  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.
17 17  
18 18  1. Connect the charging and discharging contactors to the P6-P9 headers.
... ... @@ -20,214 +20,221 @@
20 20  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.
21 21  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.
22 22  
23 -== 2.3 ​​​​Headers description ==
25 +== ​​​​Headers description ==
24 24  
25 25  The BMS Main 2.1 headers are shown in figure below.
26 26  
27 -[[The BMS Main 2.1 headers>>image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
29 +[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
28 28  
29 -(% class="wikigeneratedid" %)
30 -Following chapters describes the BMS Main 2.1 headers pinout.
31 +(% class="box warningmessage" %)
32 +(((
33 +**Attention!**
34 +All headers are shown from the device side!
35 +)))
31 31  
32 -=== 2.3.1 P1 – header for power supply ===
37 +=== P1 – header for power supply ===
33 33  
34 -[[image:1732198827034-560.png||height="78" width="41"]]
39 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
35 35  
36 -(% style="width:339px" %)
37 -|(% style="width:71px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:174px" %)**Description**
38 -|(% style="width:71px" %)**1**|(% style="width:91px" %)**GND**|(% style="width:174px" %)Ground
39 -|(% style="width:71px" %)**2**|(% style="width:91px" %)**V+**|(% style="width:174px" %)Supply voltage 9-30V
41 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
40 40  
41 -=== 2.3.2 P15 – header for BMS Logic ===
43 +|**Pin**|**Name**|**Description**
44 +|**1**|**GND**|Ground
45 +|**2**|**V+**|Supply voltage 9-30V
42 42  
43 -[[image:1732198849079-697.png||height="77" width="71"]]
47 +=== P15 – header for BMS Logic ===
44 44  
45 -(% style="width:524px" %)
46 -|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
47 -|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
48 -|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
49 -|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
50 -|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
49 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
51 51  
52 -=== 2.3.3 P12 – header for current sensor ===
51 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
53 53  
54 -[[image:1732198890482-787.png||height="77" width="71"]]
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
55 55  
56 -(% style="width:531px" %)
57 -|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
58 -|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
59 -|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
60 -|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
61 -|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
59 +=== P12 – header for current sensor ===
62 62  
63 -=== 2.3.4 P13 – header for humidity sensor ===
61 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
64 64  
65 -[[image:1732198896526-660.png||height="70" width="64"]]
63 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
66 66  
67 -(% style="width:531px" %)
68 -|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
69 -|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
70 -|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
71 -|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
72 -|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
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)
73 73  
74 -=== 2.3.5 P8 – header of relay 1 ===
71 +=== P13 – header for humidity sensor ===
75 75  
76 -[[image:1732198827034-560.png||height="78" width="41"]]
73 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
77 77  
75 +[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
76 +
77 +|**Pin**|**Name**|**Description**
78 +|**1**|**+5V**|Supply voltage 5 V, max 50 mA
79 +|**2**|**GND**|Ground
80 +|**3**|**Vhs**|ADC input (humidity sensor output)
81 +|**4**|**Vts**|ADC input (temperature sensor output)
82 +
83 +=== P8 – header of relay 1 ===
84 +
85 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
86 +
87 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
88 +
78 78  By default, relay 1 is used to control the discharging contactor.
79 79  
80 -(% style="width:527px" %)
81 -|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
82 -|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
83 -|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
91 +|**Pin**|**Name**|**Description**
92 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
93 +|**2**|**NO**|Normally open contact
84 84  
85 -=== 2.3.6 P9 – header of relay 2 ===
95 +=== P9 – header of relay 2 ===
86 86  
87 -[[image:1732198827034-560.png||height="78" width="41"]]
97 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
88 88  
99 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
100 +
89 89  By default, relay 2 is used to output the “Allow charging” signal.
90 90  
91 -(% style="width:524px" %)
92 -|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
93 -|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
94 -|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
103 +|**Pin**|**Name**|**Description**
104 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
105 +|**2**|**NO**|Normally open contact
95 95  
96 -=== 2.3.7 P6 – header of relay 3 ===
107 +=== P6 – header of relay 3 ===
97 97  
98 -[[image:1732198827034-560.png||height="78" width="41"]]
109 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
99 99  
111 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
112 +
100 100  By default, relay 3 is used to control the charging contactor.
101 101  
102 -(% style="width:524px" %)
103 -|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
104 -|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
105 -|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
115 +|**Pin**|**Name**|**Description**
116 +|**1**|**V+**|Switching voltage up to 55V,
117 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
118 +|**2**|**NO**|Normally open contact
106 106  
107 -=== 2.3.8 P7 – header of relay 4 ===
120 +=== P7 – header of relay 4 ===
108 108  
109 -[[image:1732198827034-560.png||height="78" width="41"]]
122 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
110 110  
124 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
125 +
111 111  By default, relay 4 is used to control the heater.
112 112  
113 -(% style="width:530px" %)
114 -|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
115 -|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
116 -|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
128 +|**Pin**|**Name**|**Description**
129 +|**1**|**V+**|Switching voltage up to 55V,
130 +up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
131 +|**2**|**NO**|Normally open contact
117 117  
118 -=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
133 +=== P14 – header for CAN and RS-485 interfaces ===
119 119  
120 -[[image:1731517180930-597.png||height="81" width="113"]]
135 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
121 121  
137 +[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
138 +
122 122  (% style="width:641px" %)
123 -|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
124 -|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
125 -|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
126 -|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
127 -|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
128 -|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
129 -|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
140 +|**Pin**|**Name**|**Description**
141 +|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
142 +|**2**|**CAN_H**|CAN H line for communication with external equipment
143 +|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
144 +|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
145 +|**5**|**CAN_L**|CAN L line for communication with external equipment
146 +|**6**|**GND_CAN**|Ground
130 130  
131 -=== 2.3.10 P21 – CAN termination resistor jumper ===
148 +=== P21 – CAN termination resistor jumper ===
132 132  
133 -[[image:1731517188900-976.png||height="78" width="149"]]
150 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
134 134  
135 135  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
136 136  
137 -(% style="width:643px" %)
138 -|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description**
139 -|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
140 -|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
154 +|**Pin**|**Name**|**Description**
155 +|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
156 +|**2-3**|**-**|Termination resistor 120 Ohm is not connected
141 141  
142 -=== 2.3.11 P22 - RS-485 termination resistor jumper ===
158 +=== P22 - RS-485 termination resistor jumper ===
143 143  
144 -[[image:1731517195672-298.png||height="81" width="155"]]
160 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
145 145  
146 146  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
147 147  
148 -(% style="width:644px" %)
149 -|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description**
150 -|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
151 -|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
164 +|**Pin**|**Name**|**Description**
165 +|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
166 +|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
152 152  
153 -=== 2.3.12 P11 – header for discrete inputs/outputs ===
168 +=== P11 – header for discrete inputs/outputs ===
154 154  
155 -[[image:1732198937514-731.png||height="85" width="272"]]
170 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
156 156  
157 -(% style="width:584px" %)
158 -|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
159 -|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V)
160 -|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground)
161 -|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V)
162 -|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground)
163 -|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V)
164 -|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground)
165 -|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V)
166 -|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground)
167 -|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA)
168 -|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground)
169 -|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA)
170 -|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground)
171 -|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA)
172 -|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground)
173 -|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
174 -|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
172 +[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
175 175  
176 -= 2.4 Indicators =
174 +|**Pin**|**Name**|**Description**
175 +|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
176 +|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
177 +|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
178 +|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
179 +|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
180 +|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
181 +|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
182 +|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
183 +|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
184 +|**4**|**GND_OUT_4**|Discrete output #4 (ground)
185 +|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
186 +|**3**|**GND_OUT_3**|Discrete output #3 (ground)
187 +|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
188 +|**2**|**GND_OUT_2**|Discrete output #2 (ground)
189 +|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
190 +|**1**|**GND_OUT_1**|Discrete output #1 (ground)
177 177  
178 -=== 2.4.1 DS1 – power indicator ===
192 +== Indicators ==
179 179  
180 -(% style="width:442px" %)
181 -|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
182 -|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
183 -|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
194 +=== DS1 – power indicator ===
184 184  
185 -=== 2.4.2 DS2 – operation indicator ===
196 +|**State**|**Description**
197 +|**Lights red**|The device is powered
198 +|**Off**|The device is not powered
186 186  
187 -(% style="width:442px" %)
188 -|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
189 -|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
190 -|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
200 +=== DS2 – operation indicator ===
191 191  
192 -=== 2.4.3 DS3 – communication indicator ===
202 +|**State**|**Description**
203 +|**Blinking green**|The BMS firmware is running
204 +|**Off**|The BMS firmware is not running
193 193  
194 -(% style="width:539px" %)
195 -|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
196 -|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
197 -|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
206 +=== DS3 – communication indicator ===
198 198  
199 -=== 2.4.4 DS4 – error indicator ===
208 +|**State**|**Description**
209 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
210 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
200 200  
201 -(% style="width:539px" %)
202 -|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
203 -|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
212 +=== DS4 – error indicator ===
204 204  
205 -=== 2.4.5 DS7 – relay 1 indicator ===
206 206  
207 -(% style="width:541px" %)
208 -|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
209 -|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
210 -|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
215 +|(**State**|**Description**
216 +|(**Blinking red**|Errors in communication with BMS Logic
211 211  
212 -=== 2.4.6 DS8 – relay 2 indicator ===
218 +=== DS7 – relay 1 indicator ===
213 213  
214 -(% style="width:542px" %)
215 -|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
216 -|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
217 -|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
220 +|**State**|**Description**
221 +|**Lights green**|Relay #1 is closed
222 +|**Off**|Relay #1 is opened
218 218  
219 -=== 2.4.7 DS5 – relay 3 indicator ===
224 +=== DS8 – relay 2 indicator ===
220 220  
221 -(% style="width:542px" %)
222 -|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
223 -|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
224 -|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
226 +|**State**|**Description**
227 +|**Lights green**|Relay #2 is closed
228 +|**Off**|Relay #2 is opened
225 225  
226 -=== 2.4.8 DS6 – relay 4 indicator ===
230 +=== DS5 – relay 3 indicator ===
227 227  
228 -(% style="width:542px" %)
229 -|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
230 -|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
231 -|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
232 +|**State**|**Description**
233 +|**Lights green**|Relay #3 is closed
234 +|**Off**|Relay #3 is opened
232 232  
236 +=== DS6 – relay 4 indicator ===
237 +
238 +|**State**|**Description**
239 +|**Lights green**|Relay #4 is closed
240 +|**Off**|Relay #4 is opened
241 +
233 233