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From version 67.1
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To version 43.2
edited by Admin
on 2024/11/22 15:12
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Summary

Details

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1 -Battery management systems.BMS Main 2\.1.WebHome
1 +xwiki:drafts.bms-main-2.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 Installation procedure ==
3 3  
4 -== Safety rules ==
3 +Overall and mounting dimensions of the BMS Main 2.1 are shown in Figure 29.
5 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.
5 +[[Dimensions of the BMS Main 2.1>>image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
7 7  
8 -Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
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
9 9  
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 -)))
14 +== 2.2 Connection procedure ==
14 14  
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 -
25 -(% style="width:494px" %)
26 -|**Parameter**|(% style="width:178px" %)**Value**
27 -|Overall dimensions (length × width × height), mm|(% style="width:178px" %)120 × 120 × 17
28 -|Mounting dimensions (length × width), mm|(% style="width:178px" %)114 × 114
29 -|Mounting holes|(% style="width:178px" %)M3
30 -
31 -== Connection procedure ==
32 -
33 33  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.
34 34  
35 35  1. Connect the charging and discharging contactors to the P6-P9 headers.
... ... @@ -37,231 +37,214 @@
37 37  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.
38 38  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.
39 39  
40 -== ​​​​Headers description ==
23 +== 2.3 ​​​​Headers description ==
41 41  
42 42  The BMS Main 2.1 headers are shown in figure below.
43 43  
44 -[[image:1731516393377-928.jpeg||alt="1731517946345-632.png" data-xwiki-image-style-alignment="center" height="417" width="451"]]
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"]]
45 45  
46 -(% class="box warningmessage" %)
47 -(((
48 -**Attention!**
49 -All headers are shown from the device side!
50 -)))
29 +(% class="wikigeneratedid" %)
30 +Following chapters describes the BMS Main 2.1 headers pinout.
51 51  
52 -=== P1 – header for power supply ===
32 +=== 2.3.1 P1 – header for power supply ===
53 53  
54 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
34 +[[image:1732198827034-560.png||height="78" width="41"]]
55 55  
56 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
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
57 57  
58 -|**Pin**|**Name**|**Description**
59 -|**1**|**GND**|Ground
60 -|**2**|**V+**|Supply voltage 9-30V
41 +=== 2.3.2 P15 – header for BMS Logic ===
61 61  
62 -=== P15 – header for BMS Logic ===
43 +[[image:1732198849079-697.png||height="77" width="71"]]
63 63  
64 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
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
65 65  
66 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
52 +=== 2.3.3 P12 – header for current sensor ===
67 67  
68 -|**Pin**|**Name**|**Description**
69 -|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
70 -|**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
71 -|**3**|**+5V**|Supply voltage for BMS Logic
72 -|**4**|**GND**|Ground
54 +[[image:1732198890482-787.png||height="77" width="71"]]
73 73  
74 -=== P12 – header for current sensor ===
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)
75 75  
76 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
63 +=== 2.3.4 P13 – header for humidity sensor ===
77 77  
78 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
65 +[[image:1732198896526-660.png||height="70" width="64"]]
79 79  
80 -|**Pin**|**Name**|**Description**
81 -|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
82 -|**2**|**GND**|Ground
83 -|**3**|**Vcs**|ADC input (current sensor output)
84 -|**4**|**Vref**|ADC input (current sensor reference signal)
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)
85 85  
86 -=== P13 – header for humidity sensor ===
74 +=== 2.3.5 P8 – header of relay 1 ===
87 87  
88 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
76 +[[image:1732198827034-560.png||height="78" width="41"]]
89 89  
90 -[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
91 -
92 -|**Pin**|**Name**|**Description**
93 -|**1**|**+5V**|Supply voltage 5 V, max 50 mA
94 -|**2**|**GND**|Ground
95 -|**3**|**Vhs**|ADC input (humidity sensor output)
96 -|**4**|**Vts**|ADC input (temperature sensor output)
97 -
98 -=== P8 – header of relay 1 ===
99 -
100 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
101 -
102 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
103 -
104 104  By default, relay 1 is used to control the discharging contactor.
105 105  
106 -|**Pin**|**Name**|**Description**
107 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
108 -|**2**|**NO**|Normally open contact
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
109 109  
110 -Contactor connection example for all relays:
85 +=== 2.3.6 P9 – header of relay 2 ===
111 111  
112 -[[image:1741619814065-850.png||height="189" width="252"]]
87 +[[image:1732198827034-560.png||height="78" width="41"]]
113 113  
114 -=== P9 – header of relay 2 ===
115 -
116 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
117 -
118 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
119 -
120 120  By default, relay 2 is used to output the “Allow charging” signal.
121 121  
122 -|**Pin**|**Name**|**Description**
123 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
124 -|**2**|**NO**|Normally open contact
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
125 125  
126 -Contactor connection example: see relay 1.
96 +=== 2.3.7 P6 – header of relay 3 ===
127 127  
128 -=== P6 – header of relay 3 ===
98 +[[image:1732198827034-560.png||height="78" width="41"]]
129 129  
130 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
131 -
132 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
133 -
134 134  By default, relay 3 is used to control the charging contactor.
135 135  
136 -|**Pin**|**Name**|**Description**
137 -|**1**|**V+**|Switching voltage up to 55V,
138 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
139 -|**2**|**NO**|Normally open contact
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
140 140  
141 -Contactor connection example: see relay 1.
107 +=== 2.3.8 P7 – header of relay 4 ===
142 142  
143 -=== P7 – header of relay 4 ===
109 +[[image:1732198827034-560.png||height="78" width="41"]]
144 144  
145 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
146 -
147 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
148 -
149 149  By default, relay 4 is used to control the heater.
150 150  
151 -|**Pin**|**Name**|**Description**
152 -|**1**|**V+**|Switching voltage up to 55V,
153 -up to 8A (board rev. 2.1b), up to 3A (board rev. 2.1c)
154 -|**2**|**NO**|Normally open contact
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
155 155  
156 -Contactor connection example: see relay 1.
118 +=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
157 157  
158 -=== P14 – header for CAN and RS-485 interfaces ===
120 +[[image:1731517180930-597.png||height="81" width="113"]]
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
161 -
162 -[[image:1731517180930-597.png||data-xwiki-image-style-alignment="center" height="81" width="113"]]
163 -
164 164  (% style="width:641px" %)
165 -|**Pin**|**Name**|**Description**
166 -|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
167 -|**2**|**CAN_H**|CAN H line for communication with external equipment
168 -|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
169 -|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
170 -|**5**|**CAN_L**|CAN L line for communication with external equipment
171 -|**6**|**GND_CAN**|Ground
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
172 172  
173 -=== P21 – CAN termination resistor jumper ===
131 +=== 2.3.10 P21 – CAN termination resistor jumper ===
174 174  
175 -[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
133 +[[image:1731517188900-976.png||height="78" width="149"]]
176 176  
177 177  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
178 178  
179 -|**Pin**|**Name**|**Description**
180 -|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
181 -|**2-3**|**-**|Termination resistor 120 Ohm is not connected
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
182 182  
183 -=== P22 - RS-485 termination resistor jumper ===
142 +=== 2.3.11 P22 - RS-485 termination resistor jumper ===
184 184  
185 -[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
144 +[[image:1731517195672-298.png||height="81" width="155"]]
186 186  
187 187  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
188 188  
189 -|**Pin**|**Name**|**Description**
190 -|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
191 -|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
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
192 192  
193 -=== P11 – header for discrete inputs/outputs ===
153 +=== 2.3.12 P11 – header for discrete inputs/outputs ===
194 194  
195 -Receptacle Housing: Molex 430251600. Terminals: Molex 43030
155 +[[image:1732198937514-731.png||height="85" width="272"]]
196 196  
197 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
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)
198 198  
199 -|**Pin**|**Name**|**Description**
200 -|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
201 -|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
202 -|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
203 -|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
204 -|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
205 -|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
206 -|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
207 -|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
208 -|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
209 -|**4**|**GND_OUT_4**|Discrete output #4 (ground)
210 -|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
211 -|**3**|**GND_OUT_3**|Discrete output #3 (ground)
212 -|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
213 -|**2**|**GND_OUT_2**|Discrete output #2 (ground)
214 -|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
215 -|**1**|**GND_OUT_1**|Discrete output #1 (ground)
176 += 2.4 Indicators =
216 216  
217 -== Indicators ==
178 +=== 2.4.1 DS1 – power indicator ===
218 218  
219 -=== DS1 – power indicator ===
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
220 220  
221 -|**State**|**Description**
222 -|**Lights red**|The device is powered
223 -|**Off**|The device is not powered
185 +=== 2.4.2 DS2 – operation indicator ===
224 224  
225 -=== DS2 – operation indicator ===
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
226 226  
227 -|**State**|**Description**
228 -|**Blinking green**|The BMS firmware is running
229 -|**Off**|The BMS firmware is not running
192 +=== 2.4.3 DS3 – communication indicator ===
230 230  
231 -=== DS3 – communication indicator ===
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
232 232  
233 -|**State**|**Description**
234 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
235 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
199 +=== 2.4.4 DS4 – error indicator ===
236 236  
237 -=== DS4 – error indicator ===
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
238 238  
205 +=== 2.4.5 DS7 – relay 1 indicator ===
239 239  
240 -|(**State**|**Description**
241 -|(**Blinking red**|Errors in communication with BMS Logic
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
242 242  
243 -=== DS7 – relay 1 indicator ===
212 +=== 2.4.6 DS8 – relay 2 indicator ===
244 244  
245 -|**State**|**Description**
246 -|**Lights green**|Relay #1 is closed
247 -|**Off**|Relay #1 is opened
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
248 248  
249 -=== DS8 – relay 2 indicator ===
219 +=== 2.4.7 DS5 – relay 3 indicator ===
250 250  
251 -|**State**|**Description**
252 -|**Lights green**|Relay #2 is closed
253 -|**Off**|Relay #2 is opened
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
254 254  
255 -=== DS5 – relay 3 indicator ===
226 +=== 2.4.8 DS6 – relay 4 indicator ===
256 256  
257 -|**State**|**Description**
258 -|**Lights green**|Relay #3 is closed
259 -|**Off**|Relay #3 is opened
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
260 260  
261 -=== DS6 – relay 4 indicator ===
262 -
263 -|**State**|**Description**
264 -|**Lights green**|Relay #4 is closed
265 -|**Off**|Relay #4 is opened
266 -
267 267  
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