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Last modified by Admin on 2026/04/02 13:49
From version 43.1
edited by Admin
on 2025/01/29 13:28
Change comment: There is no comment for this version
To version 89.6
edited by Admin
on 2026/03/25 16:53
Change comment: There is no comment for this version

Summary

Details

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Parent
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1 -Battery management systems.BMS Main 3.WebHome
1 +drafts.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 -|Connector type|Hirose ZE05
17 17  
18 18  == Headers ==
19 19  
20 -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.
21 21  
22 22  (% contenteditable="false" tabindex="-1" %)
23 23  (((
24 -[[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"]]
25 25  )))
26 26  
27 27  (% class="box warningmessage" %)
... ... @@ -30,255 +30,153 @@
30 30  All headers are shown from the device side!
31 31  )))
32 32  
33 -=== X1 – header to power the device ===
48 +=== X1 – header for discrete inputs and outputs ===
34 34  
50 +Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51 +
35 35  (% class="wikigeneratedid" id="H" %)
36 -(% 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"]]
37 37  
38 38  |**Pin**|**Name**|**Description**
39 -|**1–2, 5–6**|**GND**|Ground
40 -|**3**|**KEYRUN**|Power-on signal
41 -|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
42 -|**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)
43 43  
44 -Power supply connection diagram:
45 45  
46 -(% 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"]]
47 47  
48 -=== X2 – header for contactors ===
68 +=== X2 – miniUSB connector ===
49 49  
50 -(% 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.
51 51  
52 -|**Pin**|**Name**|**Description**
53 -|**1–4, 8–9**|**GND**|Ground
54 -|**5**|**CONT1_OUT**|Contactor control 1 (plus)
55 -|**6**|**CONT2_OUT**|Contactor control 2 (plus)
56 -|**7**|**CONT3_OUT**|Contactor control 3 (plus)
57 -|**10**|**CONT4_OUT**|Contactor control 4 (plus)
58 -|**11**|**CONT5_OUT**|Contactor control 5 (plus)
59 -|**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(%%) ===
60 60  
61 - Contactor connection diagram:
74 +Receptacle Housing: Molex 39012020. Terminals: Molex 5556
62 62  
63 -(% 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"]]
64 64  
65 -=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
66 -
67 -(% 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"]]
68 -
69 69  |**Pin**|**Name**|**Description**
70 -|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
71 -|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
72 -|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
73 -|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
74 -|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
75 -|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
76 -|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
77 -|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
78 -|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
79 -|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
80 -|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
81 -|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
82 -|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
79 +|**1**|**GND**|Ground
80 +|**2**|**V+**|Supply voltage (9-32V)
83 83  
84 -Connection diagram of a discrete input to a dry contact output:
85 85  
86 -(% 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:
87 87  
88 -(% 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 ===
89 89  
90 -(% 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
91 91  
92 -=== X4 – header for HVIL ===
88 +[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
93 93  
94 -[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
95 -
96 96  |**Pin**|**Name**|**Description**
97 -|**1**|**-**|Not used
98 -|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
99 -|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
100 -|**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
101 101  
102 - 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:
103 103  
104 -Connection diagram to the current loop:
96 +[[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
105 105  
106 -=== X5 – header for current and temperature sensors ===
107 107  
108 -[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
99 +=== X8 – header for current sensor 1 ===
109 109  
110 -(% style="width:539px" %)
111 -|**Pin**|**Name**|(% style="width:402px" %)**Description**
112 -|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
113 -|**2–6**|**GND**|(% style="width:402px" %)Ground
114 -|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
115 -|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
116 -|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
117 -|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
118 -|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
119 -|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
120 -|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
121 -|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
122 -|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
123 -|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
101 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
124 124  
125 -Current sensor connection diagram (using the example of LEM HASS 100-S):
103 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
126 126  
127 -[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
128 -
129 -Current sensor connection diagram (using the example of LEM DHAB S/118):
130 -
131 -[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
132 -
133 -NTC-thermistor connection diagram:
134 -
135 -[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
136 -
137 -=== X6 – header for CAN1 and RS-485-1 (external buses) ===
138 -
139 -[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
140 -
141 141  |**Pin**|**Name**|**Description**
142 -|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
143 -|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
144 -|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
145 -|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
146 -|**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
147 147  
148 -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(%%) ===
149 149  
150 -[[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
113 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
151 151  
152 -Connection diagram to the RS-485-1 bus:
115 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
153 153  
154 -[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
155 -
156 -=== X7 – header for CAN2 (internal bus) ===
157 -
158 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
159 -
160 160  |**Pin**|**Name**|**Description**
161 -|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
162 -|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
163 -|**3**|**GND**|Ground
164 -|**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
165 165  
166 -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(%%) ===
167 167  
168 -[[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
125 +Receptacle Housing: Molex 430250400. Terminals: Molex 43030
169 169  
170 -=== X8 – header for CAN3 ===
127 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
171 171  
172 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
173 -
174 174  |**Pin**|**Name**|**Description**
175 -|**1**|**CAN3_H**|CAN3 line H
176 -|**2**|**CAN3_L**|CAN3 line L
177 -|**3**|**GND**|Ground
178 -|**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
179 179  
180 -(% class="box infomessage" %)
181 -(((
182 -**Note:**
183 -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(%%) ===
184 184  
185 -* **BMS Main 3:** CAN3 bus is reserved;
186 -* **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
187 187  
188 -[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
189 -)))
138 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
190 190  
191 -=== X9 – header for BMS Logic (RS-485-2) ===
192 -
193 -[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
194 -
195 195  |**Pin**|**Name**|**Description**
196 -|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
197 -|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
198 -|**3**|**GND**|Ground
199 -|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
141 +|**1**|**RS_LOGIC_A**|RS-485 line A for communication with BMS Logic
142 +|**2**|**RS_LOGIC_B**|RS-485 line B for communication with BMS Logic
143 +|**3**|**+5V**|Supply voltage for BMS Logic
144 +|**4**|**GND**|Ground
200 200  
201 -(% class="box infomessage" %)
202 -(((
203 -**Note:**
204 -RS-485-2 operates differently depending on used firmware:
146 +=== X12 – header for internal CAN2 interface ===
205 205  
206 -* **BMS Main 3X:** RS-485-2 bus is reserved;
207 -* **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
208 208  
209 -[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
210 -)))
150 +[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
211 211  
212 -=== X10 – miniUSB connector ===
213 -
214 -The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
215 -
216 -=== X11 – header for high-voltage bus before contactors (plus) ===
217 -
218 -[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
219 -
220 220  |**Pin**|**Name**|**Description**
221 -|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
222 -|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
153 +|**1**|**CAN_INT_H**|RS-485 line A for communication with BMS Logic
154 +|**2**|**CAN_INT_L**|CAN L line for communication with external equipment
155 +|**3**|**–**|–
156 +|**4**|**GND**|Ground
223 223  
224 -(% class="box warningmessage" %)
225 -(((
226 -The connected voltage must not exceed 1000V.
227 -)))
158 +=== X13 – header for CAN1 and RS-485 interfaces ===
228 228  
229 -=== X12 – header for high-voltage bus before contactors (minus) ===
160 +Receptacle Housing: Molex 430250600. Terminals: Molex 43030
230 230  
231 -[[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"]]
232 232  
233 233  |**Pin**|**Name**|**Description**
234 -|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
235 -|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
165 +|**1**|**RS_EXT_A**|RS-485 line A for communication with external equipment
166 +|**2**|**CAN_EXT_H**|CAN H line for communication with external equipment
167 +|**3**|**+5V**|Supply voltage 5V for external devices, max 200 mA
168 +|**4**|**RS_EXT_B**|RS-485 line B for communication with external equipment
169 +|**5**|**CAN_EXT_L**|CAN L line for communication with external equipment
170 +|**6**|**GND**|Ground
236 236  
237 -(% class="box warningmessage" %)
238 -(((
239 -The connected voltage must not exceed 1000V.
240 -)))
172 +=== J1 – jumper for switching internal CAN bus terminal resistor ===
241 241  
242 -=== X13 – header for high-voltage bus after contactors (plus) ===
243 243  
244 -[[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 **CAN_INT_H **and **CAN_INT_L **lines, install a jumper. The jumper is installed according to the table:
245 245  
246 246  |**Pin**|**Name**|**Description**
247 -|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
248 -|**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
249 249  
250 -(% class="box warningmessage" %)
251 -(((
252 -The connected voltage must not exceed 1000V.
253 -)))
181 +=== J2 – jumper for switching RS-485 bus terminal resistor ===
254 254  
255 -=== X14 – header for high-voltage bus after contactors (minus) ===
256 -
257 -[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
258 -
259 -|**Pin**|**Name**|**Description**
260 -|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
261 -|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
262 -
263 -(% class="box warningmessage" %)
264 -(((
265 -The connected voltage must not exceed 1000V.
266 -)))
267 -
268 -=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
269 -
270 270  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
271 271  
272 -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 **RS_EXT_A **and **RS_EXT_B **lines, install a jumper. The jumper is installed according to the table:
273 273  
274 274  |**Pin**|**Name**|**Description**
275 275  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
276 276  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
277 277  
278 -=== J2 – jumper for switching CAN1 bus terminal resistor ===
191 +=== J3 – jumper for switching external CAN bus terminal resistor ===
279 279  
280 280  
281 -[[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 **CAN_EXT_H** and **CAN_EXT_L** lines, install a jumper. The jumper is installed according to the table:
282 282  
283 283  |**Pin**|**Name**|**Description**
284 284  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
... ... @@ -295,7 +295,7 @@
295 295  
296 296  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
297 297  
298 -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.
211 +The BMS Main 2R 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.
299 299  
300 300  == Indicators ==
301 301  
... ... @@ -311,17 +311,19 @@
311 311  |**Blinking green**|Executing the battery management program
312 312  |**No blinking**|Program execution error
313 313  
314 -=== DS3 – LED indicating interaction with BMS Logic ===
227 +=== DS3 – LED indicating interaction with child devices ===
315 315  
316 -|**State**|**Description**
317 -|**Blinking yellow**|The device interacts with BMS Logic devices
318 -|**No blinking**|-
229 +(% style="width:447px" %)
230 +|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
231 +|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
232 +|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
319 319  
320 -=== DS4 – LED indicating loss of connection with BMS Logic ===
234 +=== DS4 – LED indicating loss of connection with child devices ===
321 321  
322 -|**State**|**Description**
323 -|**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
324 -|**No blinking**|Communication with BMS Logic is stable
236 +(% style="width:601px" %)
237 +|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
238 +|**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
239 +|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
325 325  
326 326  === DS5-DS10 – LEDs indicating contactor switches 1-6 ===
327 327  
... ... @@ -337,11 +337,6 @@
337 337  
338 338  == Connection procedure ==
339 339  
340 -(% class="box warningmessage" %)
341 -(((
342 -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.
343 -)))
344 -
345 345  All operations to connect the device must be carried out with the supply voltage removed.
346 346  
347 347  * Connect the power contactors to header X2.
... ... @@ -352,5 +352,5 @@
352 352  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
353 353  * Connect external devices (if necessary) to header X6.
354 354  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
355 -* 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.
265 +* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
356 356  * 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.
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