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Last modified by Admin on 2025/07/15 17:33
From version 45.1
edited by Admin
on 2024/11/29 12:35
Change comment: There is no comment for this version
To version 67.1
edited by Admin
on 2025/07/15 17:30
Change comment: There is no comment for this version

Summary

Details

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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  
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 +(% 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 +
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 +
3 3  Overall and mounting dimensions of the BMS Main 2.1 are shown below.
4 4  
5 -[[image:1732198397369-222.png||data-xwiki-image-style-alignment="center" height="393" width="556"]]
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
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
13 13  
14 -== 2.2 Connection procedure ==
31 +== Connection procedure ==
15 15  
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  
... ... @@ -20,215 +20,231 @@
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 ==
40 +== ​​​​Headers description ==
24 24  
25 25  The BMS Main 2.1 headers are shown in figure below.
26 26  
27 27  [[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.
46 +(% class="box warningmessage" %)
47 +(((
48 +**Attention!**
49 +All headers are shown from the device side!
50 +)))
31 31  
32 -=== 2.3.1 P1 – header for power supply ===
52 +=== P1 – header for power supply ===
33 33  
34 -[[image:1732198827034-560.png||height="78" width="41"]]
54 +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
56 +[[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 ===
58 +|**Pin**|**Name**|**Description**
59 +|**1**|**GND**|Ground
60 +|**2**|**V+**|Supply voltage 9-30V
42 42  
43 -[[image:1732198890482-787.png||height="77" width="71"]]
62 +=== P15 – header for BMS Logic ===
44 44  
64 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
45 45  
46 -(% style="width:524px" %)
47 -|(% style="width:69px" %)**Pin**|(% style="width:97px" %)**Name**|(% style="width:355px" %)**Description**
48 -|(% style="width:69px" %)**1**|(% style="width:97px" %)**RS485_A**|(% style="width:355px" %)RS-485 line A for communication with BMS Logic
49 -|(% style="width:69px" %)**2**|(% style="width:97px" %)**RS485_B**|(% style="width:355px" %)RS-485 line B for communication with BMS Logic
50 -|(% style="width:69px" %)**3**|(% style="width:97px" %)**+5V**|(% style="width:355px" %)Supply voltage for BMS Logic
51 -|(% style="width:69px" %)**4**|(% style="width:97px" %)**GND**|(% style="width:355px" %)Ground
66 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
52 52  
53 -=== 2.3.3 P12 – header for current sensor ===
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 54  
55 -[[image:1732198890482-787.png||height="77" width="71"]]
74 +=== P12 – header for current sensor ===
56 56  
57 -(% style="width:531px" %)
58 -|(% style="width:75px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:360px" %)**Description**
59 -|(% style="width:75px" %)**1**|(% style="width:93px" %)**+5V**|(% style="width:360px" %)Supply voltage for the current sensor 5V, max 50 mA
60 -|(% style="width:75px" %)**2**|(% style="width:93px" %)**GND**|(% style="width:360px" %)Ground
61 -|(% style="width:75px" %)**3**|(% style="width:93px" %)**Vcs**|(% style="width:360px" %)ADC input (current sensor output)
62 -|(% style="width:75px" %)**4**|(% style="width:93px" %)**Vref**|(% style="width:360px" %)ADC input (current sensor reference signal)
76 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
63 63  
64 -=== 2.3.4 P13 – header for humidity sensor ===
78 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
65 65  
66 -[[image:1732198896526-660.png||height="70" width="64"]]
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 67  
68 -(% style="width:531px" %)
69 -|(% style="width:77px" %)**Pin**|(% style="width:92px" %)**Name**|(% style="width:359px" %)**Description**
70 -|(% style="width:77px" %)**1**|(% style="width:92px" %)**+5V**|(% style="width:359px" %)Supply voltage 5 V, max 50 mA
71 -|(% style="width:77px" %)**2**|(% style="width:92px" %)**GND**|(% style="width:359px" %)Ground
72 -|(% style="width:77px" %)**3**|(% style="width:92px" %)**Vhs**|(% style="width:359px" %)ADC input (humidity sensor output)
73 -|(% style="width:77px" %)**4**|(% style="width:92px" %)**Vts**|(% style="width:359px" %)ADC input (temperature sensor output)
86 +=== P13 – header for humidity sensor ===
74 74  
75 -=== 2.3.5 P8 – header of relay 1 ===
88 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
76 76  
77 -[[image:1732198827034-560.png||height="78" width="41"]]
90 +[[image:1732198896526-660.png||data-xwiki-image-style-alignment="center" height="70" width="64"]]
78 78  
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 +
79 79  By default, relay 1 is used to control the discharging contactor.
80 80  
81 -(% style="width:527px" %)
82 -|(% style="width:82px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:351px" %)**Description**
83 -|(% style="width:82px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:351px" %)Switching voltage (up to 55V, max 2A)
84 -|(% style="width:82px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:351px" %)Normally open contact
106 +|**Pin**|**Name**|**Description**
107 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
108 +|**2**|**NO**|Normally open contact
85 85  
86 -=== 2.3.6 P9 – header of relay 2 ===
110 +Contactor connection example for all relays:
87 87  
88 -[[image:1732198827034-560.png||height="78" width="41"]]
112 +[[image:1741619814065-850.png||height="189" width="252"]]
89 89  
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 +
90 90  By default, relay 2 is used to output the “Allow charging” signal.
91 91  
92 -(% style="width:524px" %)
93 -|(% style="width:89px" %)**Pin**|(% style="width:91px" %)**Name**|(% style="width:341px" %)**Description**
94 -|(% style="width:89px" %)**1**|(% style="width:91px" %)**V+**|(% style="width:341px" %)Switching voltage (up to 55V, max 2A)
95 -|(% style="width:89px" %)**2**|(% style="width:91px" %)**NO**|(% style="width:341px" %)Normally open contact
122 +|**Pin**|**Name**|**Description**
123 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
124 +|**2**|**NO**|Normally open contact
96 96  
97 -=== 2.3.7 P6 – header of relay 3 ===
126 +Contactor connection example: see relay 1.
98 98  
99 -[[image:1732198827034-560.png||height="78" width="41"]]
128 +=== P6 – header of relay 3 ===
100 100  
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 +
101 101  By default, relay 3 is used to control the charging contactor.
102 102  
103 -(% style="width:524px" %)
104 -|(% style="width:101px" %)**Pin**|(% style="width:88px" %)**Name**|(% style="width:332px" %)**Description**
105 -|(% style="width:101px" %)**1**|(% style="width:88px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
106 -|(% style="width:101px" %)**2**|(% style="width:88px" %)**NO**|(% style="width:332px" %)Normally open contact
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
107 107  
108 -=== 2.3.8 P7 – header of relay 4 ===
141 +Contactor connection example: see relay 1.
109 109  
110 -[[image:1732198827034-560.png||height="78" width="41"]]
143 +=== P7 – header of relay 4 ===
111 111  
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 +
112 112  By default, relay 4 is used to control the heater.
113 113  
114 -(% style="width:530px" %)
115 -|(% style="width:102px" %)**Pin**|(% style="width:93px" %)**Name**|(% style="width:332px" %)**Description**
116 -|(% style="width:102px" %)**1**|(% style="width:93px" %)**V+**|(% style="width:332px" %)Switching voltage (up to 55V, max 8A)
117 -|(% style="width:102px" %)**2**|(% style="width:93px" %)**NO**|(% style="width:332px" %)Normally open contact
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
118 118  
119 -=== 2.3.9 P14 – header for CAN and RS-485 interfaces ===
156 +Contactor connection example: see relay 1.
120 120  
121 -[[image:1731517180930-597.png||height="81" width="113"]]
158 +=== P14 – header for CAN and RS-485 interfaces ===
122 122  
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 +
123 123  (% style="width:641px" %)
124 -|(% style="width:107px" %)**Pin**|(% style="width:127px" %)**Name**|(% style="width:404px" %)**Description**
125 -|(% style="width:107px" %)**1**|(% style="width:127px" %)**EXT_RS485_A**|(% style="width:404px" %)RS-485 line A for communication with external equipment
126 -|(% style="width:107px" %)**2**|(% style="width:127px" %)**CAN_H**|(% style="width:404px" %)CAN H line for communication with external equipment
127 -|(% style="width:107px" %)**3**|(% style="width:127px" %)**+5V_CAN**|(% style="width:404px" %)Supply voltage 5V for external devices, max 200 mA
128 -|(% style="width:107px" %)**4**|(% style="width:127px" %)**EXT_RS485_B**|(% style="width:404px" %)RS-485 line B for communication with external equipment
129 -|(% style="width:107px" %)**5**|(% style="width:127px" %)**CAN_L**|(% style="width:404px" %)CAN L line for communication with external equipment
130 -|(% style="width:107px" %)**6**|(% style="width:127px" %)**GND_CAN**|(% style="width:404px" %)Ground
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
131 131  
132 -=== 2.3.10 P21 – CAN termination resistor jumper ===
173 +=== P21 – CAN termination resistor jumper ===
133 133  
134 -[[image:1731517188900-976.png||height="78" width="149"]]
175 +[[image:1731517188900-976.png||data-xwiki-image-style-alignment="center" height="78" width="149"]]
135 135  
136 136  To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
137 137  
138 -(% style="width:643px" %)
139 -|**Pin**|(% style="width:122px" %)**Name**|(% style="width:400px" %)**Description**
140 -|**1-2**|(% style="width:122px" %)**120 Ohm**|(% style="width:400px" %)Termination resistor 120 Ohm is connected
141 -|**2-3**|(% style="width:122px" %)**-**|(% style="width:400px" %)Termination resistor 120 Ohm is not connected
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
142 142  
143 -=== 2.3.11 P22 - RS-485 termination resistor jumper ===
183 +=== P22 - RS-485 termination resistor jumper ===
144 144  
145 -[[image:1731517195672-298.png||height="81" width="155"]]
185 +[[image:1731517195672-298.png||data-xwiki-image-style-alignment="center" height="81" width="155"]]
146 146  
147 147  To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
148 148  
149 -(% style="width:644px" %)
150 -|**Pin**|(% style="width:121px" %)**Name**|(% style="width:402px" %)**Description**
151 -|**1-2**|(% style="width:121px" %)**120 Ohm**|(% style="width:402px" %)Terminating resistor 120 Ohm is connected
152 -|**2-3**|(% style="width:121px" %)**-**|(% style="width:402px" %)Terminating resistor 120 Ohm is not connected
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
153 153  
154 -=== 2.3.12 P11 – header for discrete inputs/outputs ===
193 +=== P11 – header for discrete inputs/outputs ===
155 155  
156 -[[image:1732198937514-731.png||height="85" width="272"]]
195 +Receptacle Housing: Molex 430251600. Terminals: Molex 43030
157 157  
158 -(% style="width:584px" %)
159 -|(% style="width:98px" %)**Pin**|(% style="width:157px" %)**Name**|(% style="width:326px" %)**Description**
160 -|(% style="width:98px" %)**16**|(% style="width:157px" %)**IN_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (+5V)
161 -|(% style="width:98px" %)**8**|(% style="width:157px" %)**GND_1**|(% style="width:326px" %)Discrete input #1 “dry contact” (ground)
162 -|(% style="width:98px" %)**15**|(% style="width:157px" %)**IN_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (+5V)
163 -|(% style="width:98px" %)**7**|(% style="width:157px" %)**GND_2**|(% style="width:326px" %)Discrete input #2 “dry contact” (ground)
164 -|(% style="width:98px" %)**14**|(% style="width:157px" %)**IN_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (+5V)
165 -|(% style="width:98px" %)**6**|(% style="width:157px" %)**GND_3**|(% style="width:326px" %)Discrete input #3 “dry contact” (ground)
166 -|(% style="width:98px" %)**13**|(% style="width:157px" %)**IN_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (+5V)
167 -|(% style="width:98px" %)**5**|(% style="width:157px" %)**GND_4**|(% style="width:326px" %)Discrete input #4 “dry contact” (ground)
168 -|(% style="width:98px" %)**12**|(% style="width:157px" %)**OUT_4**|(% style="width:326px" %)Discrete output #4 (+5V, 20mA)
169 -|(% style="width:98px" %)**4**|(% style="width:157px" %)**GND_OUT_4**|(% style="width:326px" %)Discrete output #4 (ground)
170 -|(% style="width:98px" %)**11**|(% style="width:157px" %)**OUT_3**|(% style="width:326px" %)Discrete output #3 (+5V, 20mA)
171 -|(% style="width:98px" %)**3**|(% style="width:157px" %)**GND_OUT_3**|(% style="width:326px" %)Discrete output #3 (ground)
172 -|(% style="width:98px" %)**10**|(% style="width:157px" %)**OUT_2**|(% style="width:326px" %)Discrete output #2 (+5V, 20mA)
173 -|(% style="width:98px" %)**2**|(% style="width:157px" %)**GND_OUT_2**|(% style="width:326px" %)Discrete output #2 (ground)
174 -|(% style="width:98px" %)**9**|(% style="width:157px" %)**OUT_1**|(% style="width:326px" %)Discrete output #1 (+5V, 20mA)
175 -|(% style="width:98px" %)**1**|(% style="width:157px" %)**GND_OUT_1**|(% style="width:326px" %)Discrete output #1 (ground)
197 +[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
176 176  
177 -= 2.4 Indicators =
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)
178 178  
179 -=== 2.4.1 DS1 – power indicator ===
217 +== Indicators ==
180 180  
181 -(% style="width:442px" %)
182 -|(% style="width:138px" %)**State**|(% style="width:301px" %)**Description**
183 -|(% style="width:138px" %)**Lights red**|(% style="width:301px" %)The device is powered
184 -|(% style="width:138px" %)**Off**|(% style="width:301px" %)The device is not powered
219 +=== DS1 – power indicator ===
185 185  
186 -=== 2.4.2 DS2 – operation indicator ===
221 +|**State**|**Description**
222 +|**Lights red**|The device is powered
223 +|**Off**|The device is not powered
187 187  
188 -(% style="width:442px" %)
189 -|(% style="width:137px" %)**State**|(% style="width:302px" %)**Description**
190 -|(% style="width:137px" %)**Blinking green**|(% style="width:302px" %)The BMS firmware is running
191 -|(% style="width:137px" %)**Off**|(% style="width:302px" %)The BMS firmware is not running
225 +=== DS2 – operation indicator ===
192 192  
193 -=== 2.4.3 DS3 – communication indicator ===
227 +|**State**|**Description**
228 +|**Blinking green**|The BMS firmware is running
229 +|**Off**|The BMS firmware is not running
194 194  
195 -(% style="width:539px" %)
196 -|(% style="width:175px" %)**State**|(% style="width:361px" %)**Description**
197 -|(% style="width:175px" %)**Blinking yellow (2Hz)**|(% style="width:361px" %)Initializing communication with BMS Logic boards
198 -|(% style="width:175px" %)**Blinking yellow (25Hz)**|(% style="width:361px" %)Communication with BMS Logic is established
231 +=== DS3 – communication indicator ===
199 199  
200 -=== 2.4.4 DS4 – error indicator ===
233 +|**State**|**Description**
234 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
235 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
201 201  
202 -(% style="width:539px" %)
203 -|(% style="width:176px" %)**State**|(% style="width:360px" %)**Description**
204 -|(% style="width:176px" %)**Blinking red**|(% style="width:360px" %)Errors in communication with BMS Logic
237 +=== DS4 – error indicator ===
205 205  
206 -=== 2.4.5 DS7 – relay 1 indicator ===
207 207  
208 -(% style="width:541px" %)
209 -|(% style="width:179px" %)**State**|(% style="width:359px" %)**Description**
210 -|(% style="width:179px" %)**Lights green**|(% style="width:359px" %)Relay #1 is closed
211 -|(% style="width:179px" %)**Off**|(% style="width:359px" %)Relay #1 is opened
240 +|(**State**|**Description**
241 +|(**Blinking red**|Errors in communication with BMS Logic
212 212  
213 -=== 2.4.6 DS8 – relay 2 indicator ===
243 +=== DS7 – relay 1 indicator ===
214 214  
215 -(% style="width:542px" %)
216 -|(% style="width:180px" %)**State**|(% style="width:359px" %)**Description**
217 -|(% style="width:180px" %)**Lights green**|(% style="width:359px" %)Relay #2 is closed
218 -|(% style="width:180px" %)**Off**|(% style="width:359px" %)Relay #2 is opened
245 +|**State**|**Description**
246 +|**Lights green**|Relay #1 is closed
247 +|**Off**|Relay #1 is opened
219 219  
220 -=== 2.4.7 DS5 – relay 3 indicator ===
249 +=== DS8 – relay 2 indicator ===
221 221  
222 -(% style="width:542px" %)
223 -|(% style="width:183px" %)**State**|(% style="width:356px" %)**Description**
224 -|(% style="width:183px" %)**Lights green**|(% style="width:356px" %)Relay #3 is closed
225 -|(% style="width:183px" %)**Off**|(% style="width:356px" %)Relay #3 is opened
251 +|**State**|**Description**
252 +|**Lights green**|Relay #2 is closed
253 +|**Off**|Relay #2 is opened
226 226  
227 -=== 2.4.8 DS6 – relay 4 indicator ===
255 +=== DS5 – relay 3 indicator ===
228 228  
229 -(% style="width:542px" %)
230 -|(% style="width:187px" %)**State**|(% style="width:352px" %)**Description**
231 -|(% style="width:187px" %)**Lights green**|(% style="width:352px" %)Relay #4 is closed
232 -|(% style="width:187px" %)**Off**|(% style="width:352px" %)Relay #4 is opened
257 +|**State**|**Description**
258 +|**Lights green**|Relay #3 is closed
259 +|**Off**|Relay #3 is opened
233 233  
261 +=== DS6 – relay 4 indicator ===
262 +
263 +|**State**|**Description**
264 +|**Lights green**|Relay #4 is closed
265 +|**Off**|Relay #4 is opened
266 +
234 234  
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