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Summary

Details

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