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Last modified by Admin on 2026/04/02 13:49
From version 54.4
edited by Admin
on 2025/02/12 12:14
Change comment: There is no comment for this version
To version 90.2
edited by Admin
on 2026/04/02 13:49
Change comment: Update document after refactoring.

Summary

Details

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1 -Battery management systems.BMS Main 3.WebHome
1 +Battery management systems.BMS Main 2R.WebHome
Content
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1 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 2  = Installation and connection =
3 3  
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 3000 V.
18 +)))
19 +
4 4  == Installation procedure ==
5 5  
6 -The mounting location of the BMS Main 3 / BMS Main 3X device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
22 +The mounting location of the BMS Main 2R device must be protected from mechanical particles (dust, dirt, large objects) and water. The installation location must provide easy access for subsequent connection to the device connectors.
7 7  
8 8  Overall and mounting dimensions are shown in figure below.
9 9  
10 -(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1733311711953-224.png||data-xwiki-image-style-alignment="center" height="566" width="775"]](% title="Click and drag to resize" %)​
26 +[[image:1774349658793-888.0b.STEP.JPG||data-xwiki-image-style-alignment="center" height="522" width="450"]](% title="Click and drag to resize" %)​
11 11  
12 12  |**Parameter**|**Value**
13 -|Overall dimensions (length × width × height), mm|200 × 123 × 12
14 -|Mounting dimensions (length × width), mm|194 × 114
29 +|Overall dimensions (length × width × height), mm|120 × 120 × 16
30 +|Mounting dimensions (length × width), mm|114 × 114
15 15  |Mounting holes|M3
16 -|Headers X1-X9 type|Hirose ZE05
17 -|Headers X11-X14 type|Molex series Micro-Fit
18 18  
19 19  == Headers ==
20 20  
21 -The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
35 +The location and designation of connectors on the BMS Main 2R device are shown below.
22 22  
23 23  (% contenteditable="false" tabindex="-1" %)
24 24  (((
25 -[[image:1732119505664-787.png||data-xwiki-image-style-alignment="center" height="417" width="684"]]
39 +[[image:1774455018488-627.png||data-xwiki-image-style-alignment="center"]]
26 26  )))
27 27  
28 28  (% class="box warningmessage" %)
... ... @@ -31,340 +31,193 @@
31 31  All headers are shown from the device side!
32 32  )))
33 33  
34 -=== X1 – header to power the device ===
48 +=== X1 – header for discrete inputs and outputs ===
35 35  
50 +Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51 +
36 36  (% class="wikigeneratedid" id="H" %)
37 -(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
53 +[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
38 38  
39 39  |**Pin**|**Name**|**Description**
40 -|**1–2, 5–6**|**GND**|Ground
41 -|**3**|**KEYRUN**|Power-on signal
42 -|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
43 -|**7–8**|**VIN**|Power line (9-32V)
56 +|**1–8**|**GND**|Ground
57 +|**9**|**DO_1**|Discrete output 1 (+5V, 20mA)
58 +|**10**|**DO_2**|Discrete output 2 (+5V, 20mA)
59 +|**11**|**DO_3**|Discrete output 3 (+5V, 20mA)
60 +|**12**|**DO_4**|Discrete output 4 (+5V, 20mA)
61 +|**13**|**DI_4**|Discrete input 4 (“dry contact”, +5V)
62 +|**14**|**DI_3**|Discrete input 3 (“dry contact”, +5V)
63 +|**15**|**DI_2**|Discrete input 2 (“dry contact”, +5V)
64 +|**16**|**DI_1**|Discrete input 1 (“dry contact”, +5V)
44 44  
45 -Power supply connection diagram:
46 46  
47 -(% aria-label="1732120054870-496.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732120054870-496.png||data-xwiki-image-style-alignment="center" height="169" width="327"]]
48 48  
49 -=== X2 – header for contactors ===
68 +=== X2 – miniUSB connector ===
50 50  
51 -(% aria-label="1732121695049-411.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121695049-411.png||data-xwiki-image-style-alignment="center" height="87" width="267"]](% title="Click and drag to resize" %)​
70 +The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
52 52  
53 -|**Pin**|**Name**|**Description**
54 -|**1–4, 8–9**|**GND**|Ground
55 -|**5**|**CONT1_OUT**|Contactor control 1 (plus)
56 -|**6**|**CONT2_OUT**|Contactor control 2 (plus)
57 -|**7**|**CONT3_OUT**|Contactor control 3 (plus)
58 -|**10**|**CONT4_OUT**|Contactor control 4 (plus)
59 -|**11**|**CONT5_OUT**|Contactor control 5 (plus)
60 -|**12**|**CONT6_OUT**|Contactor control 6 (plus)
72 +=== (% title="Click and drag to resize" %)​(%%)X3 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for power supply(%%) ===
61 61  
62 - Contactor connection diagram:
74 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
63 63  
64 -(% aria-label="1732121755886-234.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121755886-234.png||data-xwiki-image-style-alignment="center" height="82" width="260"]]
76 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
65 65  
66 -=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
67 -
68 -(% aria-label="1732121811285-182.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121811285-182.png||data-xwiki-image-style-alignment="center" height="94" width="531"]]
69 -
70 70  |**Pin**|**Name**|**Description**
71 -|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
72 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
73 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
74 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
75 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
76 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
77 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
78 -|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
79 -|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
80 -|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
81 -|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
82 -|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
83 -|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
79 +|**1**|**GND**|Ground
80 +|**2**|**V+**|Supply voltage (9-32V)
84 84  
85 -Connection diagram of a discrete input to a dry contact output:
86 86  
87 -(% aria-label="1732121887401-555.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121887401-555.png||data-xwiki-image-style-alignment="center" height="63" width="196"]](% title="Click and drag to resize" %)​(%%)Connection diagram of a discrete input to an open collector output:
88 88  
89 -(% aria-label="1732122137116-973.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122137116-973.png||data-xwiki-image-style-alignment="center" height="100" width="274"]](% title="Click and drag to resize" %)​(%%)Connection diagram for a discrete input for detecting a 9-32V signal:
84 +=== X4, X5, X6, X7 – header of relay 1, 2, 3 and 4 ===
90 90  
91 -(% aria-label="1732121926812-202.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121926812-202.png||data-xwiki-image-style-alignment="center" height="76" width="242"]](% title="Click and drag to resize" %)​(%%)Connection diagram for discrete output:
86 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
92 92  
93 -[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
88 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
94 94  
95 -=== X4 – header for HVIL ===
96 -
97 -[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
98 -
99 99  |**Pin**|**Name**|**Description**
100 -|**1**|**-**|Not used
101 -|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
102 -|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
103 -|**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
91 +|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92 +|**2**|**NO**|Normally open contact
104 104  
105 - If the BMS Main 3 / BMS Main 3X device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 3 / BMS Main 3X is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
94 +Contactor connection example for all relays:
106 106  
107 -Connection diagram to the current loop:
96 +[[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
108 108  
109 -[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
110 110  
111 -=== X5 – header for current and temperature sensors ===
99 +=== X8 – header for current sensor 1 ===
112 112  
113 -[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
101 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
114 114  
115 -(% style="width:539px" %)
116 -|**Pin**|**Name**|(% style="width:402px" %)**Description**
117 -|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
118 -|**2–6**|**GND**|(% style="width:402px" %)Ground
119 -|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
120 -|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
121 -|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
122 -|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
123 -|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
124 -|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
125 -|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
126 -|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
127 -|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
128 -|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
103 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
129 129  
130 -Current sensor connection diagram (using the example of LEM HASS 100-S):
131 -
132 -[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
133 -
134 -Current sensor connection diagram (using the example of LEM DHAB S/118):
135 -
136 -[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
137 -
138 -NTC-thermistor connection diagram:
139 -
140 -[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
141 -
142 -=== X6 – header for CAN1 and RS-485-1 (external buses) ===
143 -
144 -[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
145 -
146 146  |**Pin**|**Name**|**Description**
147 -|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
148 -|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
149 -|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
150 -|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
151 -|**5**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
106 +|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
107 +|**2**|**GND**|Ground
108 +|**3**|**CS1_OUT**|Current sensor 1 output
109 +|**4**|**CS1_REF**|Current sensor 1 reference signal
152 152  
153 -Connection diagram to the CAN1 bus:
111 +=== X9 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for current sensor 2(%%) ===
154 154  
155 -[[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
113 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
156 156  
157 -Connection diagram to the RS-485-1 bus:
115 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
158 158  
159 -[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
160 -
161 -=== X7 – header for CAN2 (internal bus) ===
162 -
163 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
164 -
165 165  |**Pin**|**Name**|**Description**
166 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
167 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
168 -|**3**|**GND**|Ground
169 -|**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
118 +|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
119 +|**2**|**GND**|Ground
120 +|**3**|**CS2_OUT**|Current sensor 2 output
121 +|**4**|**CS2_REF**|Current sensor 2 reference signal
170 170  
171 -Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
123 +=== X10 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for temperature sensors(%%) ===
172 172  
173 -[[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
125 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
174 174  
175 -=== X8 – header for CAN3 ===
127 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
176 176  
177 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
178 -
179 179  |**Pin**|**Name**|**Description**
180 -|**1**|**CAN3_H**|CAN3 line H
181 -|**2**|**CAN3_L**|CAN3 line L
182 -|**3**|**GND**|Ground
183 -|**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
130 +|**1, 2**|**GND**|Ground
131 +|**3**|**T_SENS1**|Temperature sensor 1 output
132 +|**4**|**T_SENS2**|Temperature sensor 2 output
184 184  
185 -(% class="box infomessage" %)
186 -(((
187 -**Note:**
188 -CAN3 operates differently depending on used firmware:
134 +=== X11 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for BMS Logic(%%) ===
189 189  
190 -* **BMS Main 3:** CAN3 bus is reserved;
191 -* **BMS Main 3X:** CAN3 bus is used to connect with BMS Main 3 inside parallel strings. Diagram for connecting battery modules to the CAN3 bus:
136 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
192 192  
193 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
194 -)))
138 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
195 195  
196 -=== X9 – header for BMS Logic (RS-485-2) ===
197 -
198 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
199 -
200 200  |**Pin**|**Name**|**Description**
201 -|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
202 -|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
203 -|**3**|**GND**|Ground
204 -|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
141 +|**1**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
142 +|**2**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
143 +|**3**|**LOGIC_5V**|Supply voltage for BMS Logic
144 +|**4**|**GND**|Ground
205 205  
206 -(% class="box infomessage" %)
207 -(((
208 -**Note:**
209 -RS-485-2 operates differently depending on used firmware:
146 +=== X12 – header for CAN2 interface ===
210 210  
211 -* **BMS Main 3X:** RS-485-2 bus is reserved;
212 -* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
148 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
213 213  
214 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
215 -)))
150 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
216 216  
217 -=== X10 – miniUSB connector ===
218 -
219 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
220 -
221 -=== X11 – header for high-voltage bus before contactors (plus) ===
222 -
223 -[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
224 -
225 225  |**Pin**|**Name**|**Description**
226 -|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
227 -|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
153 +|**1**|**CAN2_H**|CAN2 H line for communication with internal equipment
154 +|**2**|**CAN2_L**|CAN2 L line for communication with internal equipment
155 +|**3**|**–**|–
156 +|**4**|**GND**|Ground
228 228  
229 -(% class="box warningmessage" %)
230 -(((
231 -The connected voltage must not exceed 1000V.
232 -)))
158 +=== X13 – header for CAN1 and RS-485 interfaces ===
233 233  
234 -=== X12 – header for high-voltage bus before contactors (minus) ===
160 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
235 235  
236 -[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
162 +[[image:https://docs.movicomelectric.com/bin/download/Battery%20management%20systems/BMS%20Main%202.1/2.%20Installation%20and%20connection/WebHome/1731517180930-597.png?width=113&height=81&rev=1.1||alt="1731517180930-597.png" data-xwiki-image-style-alignment="center" height="81" width="113"]]
237 237  
238 238  |**Pin**|**Name**|**Description**
239 -|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
240 -|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
165 +|**1**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
166 +|**2**|**CAN1_H**|CAN1 H line for communication with external equipment
167 +|**3**|**+5V**|Supply voltage 5V for external devices, max 200 mA
168 +|**4**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
169 +|**5**|**CAN1_L**|CAN1 L line for communication with external equipment
170 +|**6**|**GND**|Ground
241 241  
242 -(% class="box warningmessage" %)
243 -(((
244 -The connected voltage must not exceed 1000V.
245 -)))
172 +=== J1 – jumper for switching CAN2 bus terminal resistor ===
246 246  
247 -=== X13 – header for high-voltage bus after contactors (plus) ===
248 248  
249 -[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
175 +[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H **and **CAN2_L **lines, install a jumper. The jumper is installed according to the table:
250 250  
251 251  |**Pin**|**Name**|**Description**
252 -|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
253 -|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
178 +|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
179 +|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
254 254  
255 -(% class="box warningmessage" %)
256 -(((
257 -The connected voltage must not exceed 1000V.
258 -)))
181 +=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
259 259  
260 -=== X14 – header for high-voltage bus after contactors (minus) ===
261 -
262 -[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
263 -
264 -|**Pin**|**Name**|**Description**
265 -|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
266 -|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
267 -
268 -(% class="box warningmessage" %)
269 -(((
270 -The connected voltage must not exceed 1000V.
271 -)))
272 -
273 -=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
274 -
275 275  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
276 276  
277 -To connect a terminal resistor between the **RS485_1_A** and **RS485_1_B** lines, install a jumper. The jumper is installed according to the table:
185 +To connect a terminal resistor between the **RS485_1_A **and **RS485_1_B **lines, install a jumper. The jumper is installed according to the table:
278 278  
279 279  |**Pin**|**Name**|**Description**
280 280  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
281 281  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
282 282  
283 -=== J2 – jumper for switching CAN1 bus terminal resistor ===
191 +=== J3 – jumper for switching CAN1 bus terminal resistor ===
284 284  
285 285  
286 -[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H** and **CAN1_L** lines, install a jumper. The jumper is installed according to the table:
194 +[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN1_H **and **CAN1_L **lines, install a jumper. The jumper is installed according to the table:
287 287  
288 288  |**Pin**|**Name**|**Description**
289 289  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
290 290  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
291 291  
292 -=== J3 – jumper for switching CAN2 bus terminal resistor ===
293 -
294 -
295 -[[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the **CAN2_H** and **CAN2_L** lines, install a jumper. The jumper is installed according to the table:
296 -
297 -|**Pin**|**Name**|**Description**
298 -|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
299 -|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
300 -
301 -=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
302 -
303 -The BMS Main 3 / BMS Main 3X device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
304 -
305 305  == Indicators ==
306 306  
307 -=== DS1 – LED indicating device power ===
202 +=== DS2 – operation indicator ===
308 308  
309 309  |**State**|**Description**
310 -|**Lights up green**|Device power (+5V) is present
311 -|**Doesn’t light up**|No device power
205 +|**Blinking green**|The BMS firmware is running
206 +|**Off**|The BMS firmware is not running
312 312  
313 -=== DS2 – LED indicating device work ===
208 +=== DS3 – communication indicator ===
314 314  
315 315  |**State**|**Description**
316 -|**Blinking green**|Executing the battery management program
317 -|**No blinking**|Program execution error
211 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
212 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
318 318  
319 -=== DS3 – LED indicating interaction with child devices ===
214 +=== DS4 – error indicator ===
320 320  
321 -(% style="width:447px" %)
322 -|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
323 -|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
324 -|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
325 -
326 -=== DS4 – LED indicating loss of connection with child devices ===
327 -
328 -(% style="width:601px" %)
329 -|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
330 -|**Blinking/lights up red**|(% style="width:220px" %)Communication with one or more BMS Logic devices is lost|(% style="width:218px" %)Communication with one or more BMS Main 3 devices is lost
331 -|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
332 -
333 -=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
334 -
335 335  |**State**|**Description**
336 -|**Lights up green**|The switch supplies voltage to the contactor winding
337 -|**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
217 +|**Blinking red**|Errors in communication with BMS Logic
338 338  
339 -=== DS11 – LED indicating the presence of power supply for contactors ===
219 +=== DS1.1-DS1.4 – relay 1-4 indicator ===
340 340  
341 341  |**State**|**Description**
342 -|**Lights up green**|Power supply for contactor switches (9-32V) is present
343 -|**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
222 +|**Lights green**|Relay #1-#4 is closed
223 +|**Off**|Relay #1-#4 is opened
344 344  
345 345  == Connection procedure ==
346 346  
347 -The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
348 -
349 -(% class="box errormessage" %)
350 -(((
351 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
352 -)))
353 -
354 -(% class="box warningmessage" %)
355 -(((
356 -Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Configuration.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
357 -)))
358 -
359 359  All operations to connect the device must be carried out with the supply voltage removed.
360 360  
361 -* Connect the power contactors to header X2.
362 -* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
363 -* Connect BMS Logic devices to header X9.
364 -* Connect digital inputs and outputs (if necessary) to header X3.
365 -* Connect the high voltage bus (if necessary) to headers X11-X14.
366 -* Connect the high-voltage network integrity circuit (if necessary) to header X4.
367 -* Connect external devices (if necessary) to header X6.
368 -* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
369 -* If the BMS Main 3 / BMS Main 3X is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
370 -* Connect an external power supply to header X1. The device will start when there is a 9-32V power supply and one of the KEYRUN or CHARGE_ON signals with a voltage of more than 8.5V is supplied.
229 +* Connect the power contactors to headers X4-X7.
230 +* Connect one or more current sensors to headers X8 and X9.
231 +* Connect external temperature sensors (if necessary) to header X10.
232 +* Connect BMS Logic devices to header X11.
233 +* Connect digital inputs and outputs (if necessary) to header X1.
234 +* Connect external devices (if necessary) to header X13.
235 +* Connect other devices (BMS Indication, BMS Display, if necessary) to header X12.
236 +* If the BMS Main 2R is the last device on the CAN2,  RS-485-1 or CAN1 bus, install jumpers J1-J3.
237 +* Connect an external power supply to header X3. The device will start when there is a 9-32V power supply.
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