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Last modified by Admin on 2026/04/02 13:49
From version 57.2
edited by Admin
on 2025/03/18 12:13
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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Parent
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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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3 3  
4 4  == Safety rules ==
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.
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 7  
8 -Before use, configure the system. Proper operation of the BMS is possible only if it is correctly configured.
8 +Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
9 9  
10 -It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
11 -
12 -(% class="box warningmessage" %)
10 +(% class="box errormessage" %)
13 13  (((
14 14  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.
15 15  )))
... ... @@ -16,29 +16,29 @@
16 16  
17 17  (% class="box errormessage" %)
18 18  (((
19 -**The system is not designed to operate with batteries whose total voltage exceeds 3000 V.**
17 +The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
20 20  )))
21 21  
22 22  == Installation procedure ==
23 23  
24 -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.
25 25  
26 26  Overall and mounting dimensions are shown in figure below.
27 27  
28 -(% 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" %)​
29 29  
30 30  |**Parameter**|**Value**
31 -|Overall dimensions (length × width × height), mm|200 × 123 × 12
32 -|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
33 33  |Mounting holes|M3
34 34  
35 35  == Headers ==
36 36  
37 -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.
38 38  
39 39  (% contenteditable="false" tabindex="-1" %)
40 40  (((
41 -[[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"]]
42 42  )))
43 43  
44 44  (% class="box warningmessage" %)
... ... @@ -47,366 +47,193 @@
47 47  All headers are shown from the device side!
48 48  )))
49 49  
50 -=== X1 – header to power the device ===
48 +=== X1 – header for discrete inputs and outputs ===
51 51  
52 52  Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
53 53  
54 54  (% class="wikigeneratedid" id="H" %)
55 -(% 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"]]
56 56  
57 57  |**Pin**|**Name**|**Description**
58 -|**1–2, 5–6**|**GND**|Ground
59 -|**3**|**KEYRUN**|Power-on signal
60 -|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
61 -|**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)
62 62  
63 -Power supply connection diagram:
64 64  
65 -(% 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"]]
66 66  
67 -=== X2 – header for contactors ===
68 +=== X2 – miniUSB connector ===
68 68  
69 -Receptacle Housing: Hirose ZE05-12DS-HU/R. Terminals: Hirose ZE05-2022SCF
70 +The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
70 70  
71 -(% 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" %)​
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(%%) ===
72 72  
73 -|**Pin**|**Name**|**Description**
74 -|**1–4, 8–9**|**GND**|Ground
75 -|**5**|**CONT1_OUT**|Contactor control 1 (plus)
76 -|**6**|**CONT2_OUT**|Contactor control 2 (plus)
77 -|**7**|**CONT3_OUT**|Contactor control 3 (plus)
78 -|**10**|**CONT4_OUT**|Contactor control 4 (plus)
79 -|**11**|**CONT5_OUT**|Contactor control 5 (plus)
80 -|**12**|**CONT6_OUT**|Contactor control 6 (plus)
74 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
81 81  
82 - Contactor connection diagram:
76 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
83 83  
84 -(% 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"]]
85 -
86 -=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
87 -
88 -Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
89 -
90 -(% 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"]]
91 -
92 92  |**Pin**|**Name**|**Description**
93 -|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
94 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
95 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
96 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
97 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
98 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
99 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
100 -|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
101 -|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
102 -|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
103 -|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
104 -|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
105 -|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
79 +|**1**|**GND**|Ground
80 +|**2**|**V+**|Supply voltage (9-32V)
106 106  
107 -Connection diagram of a discrete input to a dry contact output:
108 108  
109 -(% 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:
110 110  
111 -(% 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 ===
112 112  
113 -(% 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
114 114  
115 -[[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"]]
116 116  
117 -=== X4 – header for HVIL ===
118 -
119 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
120 -
121 -[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
122 -
123 123  |**Pin**|**Name**|**Description**
124 -|**1**|**-**|Not used
125 -|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
126 -|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
127 -|**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
128 128  
129 - 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:
130 130  
131 -Connection diagram to the current loop:
96 +[[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
132 132  
133 -[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
134 134  
135 -=== X5 – header for current and temperature sensors ===
99 +=== X8 – header for current sensor 1 ===
136 136  
137 -Receptacle Housing: Hirose ZE05-16DS-HU/R. Terminals: Hirose ZE05-2022SCF
101 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
138 138  
139 -[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
103 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
140 140  
141 -(% style="width:539px" %)
142 -|**Pin**|**Name**|(% style="width:402px" %)**Description**
143 -|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
144 -|**2–6**|**GND**|(% style="width:402px" %)Ground
145 -|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
146 -|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
147 -|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
148 -|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
149 -|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
150 -|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
151 -|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
152 -|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
153 -|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
154 -|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
155 -
156 -Current sensor connection diagram (using the example of LEM HASS 100-S):
157 -
158 -[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
159 -
160 -Current sensor connection diagram (using the example of LEM DHAB S/118):
161 -
162 -[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
163 -
164 -NTC-thermistor connection diagram:
165 -
166 -[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
167 -
168 -=== X6 – header for CAN1 and RS-485-1 (external buses) ===
169 -
170 -Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
171 -
172 -[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
173 -
174 174  |**Pin**|**Name**|**Description**
175 -|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
176 -|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
177 -|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
178 -|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
179 -|**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
180 180  
181 -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(%%) ===
182 182  
183 -[[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
113 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
184 184  
185 -Connection diagram to the RS-485-1 bus:
115 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
186 186  
187 -[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
188 -
189 -=== X7 – header for CAN2 (internal bus) ===
190 -
191 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
192 -
193 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
194 -
195 195  |**Pin**|**Name**|**Description**
196 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
197 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
198 -|**3**|**GND**|Ground
199 -|**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
200 200  
201 -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(%%) ===
202 202  
203 -[[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
125 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
204 204  
205 -=== X8 – header for CAN3 ===
127 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
206 206  
207 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
208 -
209 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
210 -
211 211  |**Pin**|**Name**|**Description**
212 -|**1**|**CAN3_H**|CAN3 line H
213 -|**2**|**CAN3_L**|CAN3 line L
214 -|**3**|**GND**|Ground
215 -|**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
216 216  
217 -(% class="box infomessage" %)
218 -(((
219 -**Note:**
220 -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(%%) ===
221 221  
222 -* **BMS Main 3:** CAN3 bus is reserved;
223 -* **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
224 224  
225 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
226 -)))
138 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
227 227  
228 -=== X9 – header for BMS Logic (RS-485-2) ===
229 -
230 -Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
231 -
232 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
233 -
234 234  |**Pin**|**Name**|**Description**
235 -|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
236 -|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
237 -|**3**|**GND**|Ground
238 -|**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
239 239  
240 -(% class="box infomessage" %)
241 -(((
242 -**Note:**
243 -RS-485-2 operates differently depending on used firmware:
146 +=== X12 – header for CAN2 interface ===
244 244  
245 -* **BMS Main 3X:** RS-485-2 bus is reserved;
246 -* **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
247 247  
248 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
249 -)))
150 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
250 250  
251 -=== X10 – miniUSB connector ===
252 -
253 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
254 -
255 -=== X11 – header for high-voltage bus before contactors (plus) ===
256 -
257 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
258 -
259 -[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
260 -
261 261  |**Pin**|**Name**|**Description**
262 -|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
263 -|**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
264 264  
265 -(% class="box warningmessage" %)
266 -(((
267 -The connected voltage must not exceed 1000V.
268 -)))
158 +=== X13 – header for CAN1 and RS-485 interfaces ===
269 269  
270 -=== X12 – header for high-voltage bus before contactors (minus) ===
160 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
271 271  
272 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
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"]]
273 273  
274 -[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
275 -
276 276  |**Pin**|**Name**|**Description**
277 -|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
278 -|**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
279 279  
280 -(% class="box warningmessage" %)
281 -(((
282 -The connected voltage must not exceed 1000V.
283 -)))
172 +=== J1 – jumper for switching CAN2 bus terminal resistor ===
284 284  
285 -=== X13 – header for high-voltage bus after contactors (plus) ===
286 286  
287 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
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:
288 288  
289 -[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
290 -
291 291  |**Pin**|**Name**|**Description**
292 -|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
293 -|**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
294 294  
295 -(% class="box warningmessage" %)
296 -(((
297 -The connected voltage must not exceed 1000V.
298 -)))
181 +=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
299 299  
300 -=== X14 – header for high-voltage bus after contactors (minus) ===
301 -
302 -Receptacle Housing: Molex 436450200. Terminals: Molex 43030
303 -
304 -[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
305 -
306 -|**Pin**|**Name**|**Description**
307 -|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
308 -|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
309 -
310 -(% class="box warningmessage" %)
311 -(((
312 -The connected voltage must not exceed 1000V.
313 -)))
314 -
315 -=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
316 -
317 317  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
318 318  
319 -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:
320 320  
321 321  |**Pin**|**Name**|**Description**
322 322  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
323 323  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
324 324  
325 -=== J2 – jumper for switching CAN1 bus terminal resistor ===
191 +=== J3 – jumper for switching CAN1 bus terminal resistor ===
326 326  
327 327  
328 -[[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:
329 329  
330 330  |**Pin**|**Name**|**Description**
331 331  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
332 332  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
333 333  
334 -=== J3 – jumper for switching CAN2 bus terminal resistor ===
335 -
336 -
337 -[[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:
338 -
339 -|**Pin**|**Name**|**Description**
340 -|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
341 -|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
342 -
343 -=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
344 -
345 -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.
346 -
347 347  == Indicators ==
348 348  
349 -=== DS1 – LED indicating device power ===
202 +=== DS2 – operation indicator ===
350 350  
351 351  |**State**|**Description**
352 -|**Lights up green**|Device power (+5V) is present
353 -|**Doesn’t light up**|No device power
205 +|**Blinking green**|The BMS firmware is running
206 +|**Off**|The BMS firmware is not running
354 354  
355 -=== DS2 – LED indicating device work ===
208 +=== DS3 – communication indicator ===
356 356  
357 357  |**State**|**Description**
358 -|**Blinking green**|Executing the battery management program
359 -|**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
360 360  
361 -=== DS3 – LED indicating interaction with child devices ===
214 +=== DS4 – error indicator ===
362 362  
363 -(% style="width:447px" %)
364 -|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
365 -|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
366 -|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
367 -
368 -=== DS4 – LED indicating loss of connection with child devices ===
369 -
370 -(% style="width:601px" %)
371 -|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
372 -|**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
373 -|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
374 -
375 -=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
376 -
377 377  |**State**|**Description**
378 -|**Lights up green**|The switch supplies voltage to the contactor winding
379 -|**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
217 +|**Blinking red**|Errors in communication with BMS Logic
380 380  
381 -=== DS11 – LED indicating the presence of power supply for contactors ===
219 +=== DS1.1-DS1.4 – relay 1-4 indicator ===
382 382  
383 383  |**State**|**Description**
384 -|**Lights up green**|Power supply for contactor switches (9-32V) is present
385 -|**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
386 386  
387 387  == Connection procedure ==
388 388  
389 -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.
390 -
391 -(% class="box errormessage" %)
392 -(((
393 -**The system is not designed to operate with batteries with total voltage more than 3000V.**
394 -)))
395 -
396 -(% class="box warningmessage" %)
397 -(((
398 -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.
399 -)))
400 -
401 401  All operations to connect the device must be carried out with the supply voltage removed.
402 402  
403 -* Connect the power contactors to header X2.
404 -* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
405 -* Connect BMS Logic devices to header X9.
406 -* Connect digital inputs and outputs (if necessary) to header X3.
407 -* Connect the high voltage bus (if necessary) to headers X11-X14.
408 -* Connect the high-voltage network integrity circuit (if necessary) to header X4.
409 -* Connect external devices (if necessary) to header X6.
410 -* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
411 -* 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.
412 -* 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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