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Last modified by Admin on 2026/04/02 13:49
From version 89.6
edited by Admin
on 2026/03/25 16:53
Change comment: There is no comment for this version
To version 55.2
edited by Admin
on 2025/02/20 13:07
Change comment: There is no comment for this version

Summary

Details

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Parent
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1 -drafts.BMS Main 2R.WebHome
1 +Battery management systems.BMS Main 3.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 -
20 20  == Installation procedure ==
21 21  
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.
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.
23 23  
24 24  Overall and mounting dimensions are shown in figure below.
25 25  
26 -[[image:1774349658793-888.0b.STEP.JPG||data-xwiki-image-style-alignment="center" height="522" width="450"]](% title="Click and drag to resize" %)​
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" %)​
27 27  
28 28  |**Parameter**|**Value**
29 -|Overall dimensions (length × width × height), mm|120 × 120 × 16
30 -|Mounting dimensions (length × width), mm|114 × 114
13 +|Overall dimensions (length × width × height), mm|200 × 123 × 12
14 +|Mounting dimensions (length × width), mm|194 × 114
31 31  |Mounting holes|M3
32 32  
33 33  == Headers ==
34 34  
35 -The location and designation of connectors on the BMS Main 2R device are shown below.
19 +The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
36 36  
37 37  (% contenteditable="false" tabindex="-1" %)
38 38  (((
39 -[[image:1774455018488-627.png||data-xwiki-image-style-alignment="center"]]
23 +[[image:1732119505664-787.png||data-xwiki-image-style-alignment="center" height="417" width="684"]]
40 40  )))
41 41  
42 42  (% class="box warningmessage" %)
... ... @@ -45,153 +45,259 @@
45 45  All headers are shown from the device side!
46 46  )))
47 47  
48 -=== X1 – header for discrete inputs and outputs ===
32 +=== X1 – header to power the device ===
49 49  
50 -Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51 -
52 52  (% class="wikigeneratedid" id="H" %)
53 -[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
35 +(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
54 54  
55 55  |**Pin**|**Name**|**Description**
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)
38 +|**1–2, 5–6**|**GND**|Ground
39 +|**3**|**KEYRUN**|Power-on signal
40 +|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
41 +|**7–8**|**VIN**|Power line (9-32V)
65 65  
43 +Power supply connection diagram:
66 66  
45 +(% 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"]]
67 67  
68 -=== X2 – miniUSB connector ===
47 +=== X2 – header for contactors ===
69 69  
70 -The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
49 +(% 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" %)​
71 71  
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(%%) ===
51 +|**Pin**|**Name**|**Description**
52 +|**1–4, 8–9**|**GND**|Ground
53 +|**5**|**CONT1_OUT**|Contactor control 1 (plus)
54 +|**6**|**CONT2_OUT**|Contactor control 2 (plus)
55 +|**7**|**CONT3_OUT**|Contactor control 3 (plus)
56 +|**10**|**CONT4_OUT**|Contactor control 4 (plus)
57 +|**11**|**CONT5_OUT**|Contactor control 5 (plus)
58 +|**12**|**CONT6_OUT**|Contactor control 6 (plus)
73 73  
74 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
60 + Contactor connection diagram:
75 75  
76 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
62 +(% 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"]]
77 77  
64 +=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
65 +
66 +(% 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"]]
67 +
78 78  |**Pin**|**Name**|**Description**
79 -|**1**|**GND**|Ground
80 -|**2**|**V+**|Supply voltage (9-32V)
69 +|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
70 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
71 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
72 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
73 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
74 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
75 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
76 +|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
77 +|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
78 +|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
79 +|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
80 +|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
81 +|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
81 81  
83 +Connection diagram of a discrete input to a dry contact output:
82 82  
85 +(% 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:
83 83  
84 -=== X4, X5, X6, X7 – header of relay 1, 2, 3 and 4 ===
87 +(% 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:
85 85  
86 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
89 +(% 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:
87 87  
88 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
91 +[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
89 89  
93 +=== X4 – header for HVIL ===
94 +
95 +[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
96 +
90 90  |**Pin**|**Name**|**Description**
91 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92 -|**2**|**NO**|Normally open contact
98 +|**1**|**-**|Not used
99 +|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
100 +|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
101 +|**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
93 93  
94 -Contactor connection example for all relays:
103 + 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.
95 95  
96 -[[image:1774456661980-866.png||data-xwiki-image-style-alignment="center" height="211" width="282"]]
105 +Connection diagram to the current loop:
97 97  
107 +[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
98 98  
99 -=== X8 – header for current sensor 1 ===
109 +=== X5 – header for current and temperature sensors ===
100 100  
101 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
111 +[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
102 102  
103 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
113 +(% style="width:539px" %)
114 +|**Pin**|**Name**|(% style="width:402px" %)**Description**
115 +|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
116 +|**2–6**|**GND**|(% style="width:402px" %)Ground
117 +|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
118 +|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
119 +|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
120 +|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
121 +|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
122 +|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
123 +|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
124 +|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
125 +|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
126 +|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
104 104  
128 +Current sensor connection diagram (using the example of LEM HASS 100-S):
129 +
130 +[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
131 +
132 +Current sensor connection diagram (using the example of LEM DHAB S/118):
133 +
134 +[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
135 +
136 +NTC-thermistor connection diagram:
137 +
138 +[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
139 +
140 +=== X6 – header for CAN1 and RS-485-1 (external buses) ===
141 +
142 +[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
143 +
105 105  |**Pin**|**Name**|**Description**
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
145 +|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
146 +|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
147 +|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
148 +|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
149 +|**5**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
110 110  
111 -=== X9 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for current sensor 2(%%) ===
151 +Connection diagram to the CAN1 bus:
112 112  
113 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
153 +[[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
114 114  
115 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
155 +Connection diagram to the RS-485-1 bus:
116 116  
157 +[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
158 +
159 +=== X7 – header for CAN2 (internal bus) ===
160 +
161 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
162 +
117 117  |**Pin**|**Name**|**Description**
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
164 +|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
165 +|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
166 +|**3**|**GND**|Ground
167 +|**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
122 122  
123 -=== X10 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for temperature sensors(%%) ===
169 +Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
124 124  
125 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
171 +[[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
126 126  
127 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
173 +=== X8 – header for CAN3 ===
128 128  
175 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
176 +
129 129  |**Pin**|**Name**|**Description**
130 -|**1, 2**|**GND**|Ground
131 -|**3**|**T_SENS1**|Temperature sensor 1 output
132 -|**4**|**T_SENS2**|Temperature sensor 2 output
178 +|**1**|**CAN3_H**|CAN3 line H
179 +|**2**|**CAN3_L**|CAN3 line L
180 +|**3**|**GND**|Ground
181 +|**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
133 133  
134 -=== X11 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for BMS Logic(%%) ===
183 +(% class="box infomessage" %)
184 +(((
185 +**Note:**
186 +CAN3 operates differently depending on used firmware:
135 135  
136 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
188 +* **BMS Main 3:** CAN3 bus is reserved;
189 +* **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:
137 137  
138 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
191 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
192 +)))
139 139  
194 +=== X9 – header for BMS Logic (RS-485-2) ===
195 +
196 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
197 +
140 140  |**Pin**|**Name**|**Description**
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
199 +|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
200 +|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
201 +|**3**|**GND**|Ground
202 +|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
145 145  
146 -=== X12 – header for internal CAN2 interface ===
204 +(% class="box infomessage" %)
205 +(((
206 +**Note:**
207 +RS-485-2 operates differently depending on used firmware:
147 147  
148 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
209 +* **BMS Main 3X:** RS-485-2 bus is reserved;
210 +* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
149 149  
150 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
212 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
213 +)))
151 151  
215 +=== X10 – miniUSB connector ===
216 +
217 +The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
218 +
219 +=== X11 – header for high-voltage bus before contactors (plus) ===
220 +
221 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
222 +
152 152  |**Pin**|**Name**|**Description**
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
224 +|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
225 +|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
157 157  
158 -=== X13 – header for CAN1 and RS-485 interfaces ===
227 +(% class="box warningmessage" %)
228 +(((
229 +The connected voltage must not exceed 1000V.
230 +)))
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
232 +=== X12 – header for high-voltage bus before contactors (minus) ===
161 161  
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"]]
234 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
163 163  
164 164  |**Pin**|**Name**|**Description**
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
237 +|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
238 +|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
171 171  
172 -=== J1 – jumper for switching internal CAN bus terminal resistor ===
240 +(% class="box warningmessage" %)
241 +(((
242 +The connected voltage must not exceed 1000V.
243 +)))
173 173  
245 +=== X13 – header for high-voltage bus after contactors (plus) ===
174 174  
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:
247 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
176 176  
177 177  |**Pin**|**Name**|**Description**
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
250 +|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
251 +|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
180 180  
181 -=== J2 – jumper for switching RS-485 bus terminal resistor ===
253 +(% class="box warningmessage" %)
254 +(((
255 +The connected voltage must not exceed 1000V.
256 +)))
182 182  
258 +=== X14 – header for high-voltage bus after contactors (minus) ===
259 +
260 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
261 +
262 +|**Pin**|**Name**|**Description**
263 +|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
264 +|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
265 +
266 +(% class="box warningmessage" %)
267 +(((
268 +The connected voltage must not exceed 1000V.
269 +)))
270 +
271 +=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
272 +
183 183  [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
184 184  
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:
275 +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:
186 186  
187 187  |**Pin**|**Name**|**Description**
188 188  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
189 189  |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
190 190  
191 -=== J3 – jumper for switching external CAN bus terminal resistor ===
281 +=== J2 – jumper for switching CAN1 bus terminal resistor ===
192 192  
193 193  
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:
284 +[[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:
195 195  
196 196  |**Pin**|**Name**|**Description**
197 197  |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
... ... @@ -208,7 +208,7 @@
208 208  
209 209  === J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
210 210  
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.
301 +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.
212 212  
213 213  == Indicators ==
214 214  
... ... @@ -252,6 +252,18 @@
252 252  
253 253  == Connection procedure ==
254 254  
345 +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.
346 +
347 +(% class="box errormessage" %)
348 +(((
349 +**The system is not designed to operate with batteries with total voltage more than 3000V.**
350 +)))
351 +
352 +(% class="box warningmessage" %)
353 +(((
354 +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.
355 +)))
356 +
255 255  All operations to connect the device must be carried out with the supply voltage removed.
256 256  
257 257  * Connect the power contactors to header X2.
... ... @@ -262,5 +262,5 @@
262 262  * Connect the high-voltage network integrity circuit (if necessary) to header X4.
263 263  * Connect external devices (if necessary) to header X6.
264 264  * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
265 -* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
367 +* 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.
266 266  * 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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