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Last modified by Admin on 2026/04/02 13:49
From version 90.2
edited by Admin
on 2026/04/02 13:49
Change comment: Update document after refactoring.
To version 44.1
edited by Admin
on 2025/02/06 11:33
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 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
16 +|Connector type X1-X9|Hirose ZE05
17 +|Connector type X11-X14|Molex series Mocro-Fit
32 32  
33 33  == Headers ==
34 34  
35 -The location and designation of connectors on the BMS Main 2R device are shown below.
21 +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"]]
25 +[[image:1732119505664-787.png||data-xwiki-image-style-alignment="center" height="417" width="684"]]
40 40  )))
41 41  
42 42  (% class="box warningmessage" %)
... ... @@ -45,193 +45,327 @@
45 45  All headers are shown from the device side!
46 46  )))
47 47  
48 -=== X1 – header for discrete inputs and outputs ===
34 +=== 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"]]
37 +(% 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)
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)
65 65  
45 +Power supply connection diagram:
66 66  
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"]]
67 67  
68 -=== X2 – miniUSB connector ===
49 +=== X2 – header for contactors ===
69 69  
70 -The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
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" %)​
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(%%) ===
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)
73 73  
74 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
62 + Contactor connection diagram:
75 75  
76 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
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"]]
77 77  
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 +
78 78  |**Pin**|**Name**|**Description**
79 -|**1**|**GND**|Ground
80 -|**2**|**V+**|Supply voltage (9-32V)
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)
81 81  
85 +Connection diagram of a discrete input to a dry contact output:
82 82  
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:
83 83  
84 -=== X4, X5, X6, X7 – header of relay 1, 2, 3 and 4 ===
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:
85 85  
86 -Receptacle Housing: Molex 39012020. Terminals: Molex 5556
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:
87 87  
88 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
93 +=== X4 – header for HVIL ===
89 89  
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 +=== X5 – header for current and temperature sensors ===
98 98  
99 -=== X8 – header for current sensor 1 ===
109 +[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
100 100  
101 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
111 +(% style="width:539px" %)
112 +|**Pin**|**Name**|(% style="width:402px" %)**Description**
113 +|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
114 +|**2–6**|**GND**|(% style="width:402px" %)Ground
115 +|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
116 +|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
117 +|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
118 +|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
119 +|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
120 +|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
121 +|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
122 +|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
123 +|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
124 +|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
102 102  
103 -[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
126 +Current sensor connection diagram (using the example of LEM HASS 100-S):
104 104  
128 +[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
129 +
130 +Current sensor connection diagram (using the example of LEM DHAB S/118):
131 +
132 +[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
133 +
134 +NTC-thermistor connection diagram:
135 +
136 +[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
137 +
138 +=== X6 – header for CAN1 and RS-485-1 (external buses) ===
139 +
140 +[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
141 +
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
143 +|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
144 +|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
145 +|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
146 +|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
147 +|**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(%%) ===
149 +Connection diagram to the CAN1 bus:
112 112  
113 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
151 +[[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"]]
153 +Connection diagram to the RS-485-1 bus:
116 116  
155 +[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
156 +
157 +=== X7 – header for CAN2 (internal bus) ===
158 +
159 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
160 +
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
162 +|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
163 +|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
164 +|**3**|**GND**|Ground
165 +|**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(%%) ===
167 +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
169 +[[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"]]
171 +=== X8 – header for CAN3 ===
128 128  
173 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
174 +
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
176 +|**1**|**CAN3_H**|CAN3 line H
177 +|**2**|**CAN3_L**|CAN3 line L
178 +|**3**|**GND**|Ground
179 +|**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(%%) ===
181 +(% class="box infomessage" %)
182 +(((
183 +**Note:**
184 +CAN3 operates differently depending on used firmware:
135 135  
136 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
186 +* **BMS Main 3:** CAN3 bus is reserved;
187 +* **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"]]
189 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
190 +)))
139 139  
192 +=== X9 – header for BMS Logic (RS-485-2) ===
193 +
194 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
195 +
140 140  |**Pin**|**Name**|**Description**
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
197 +|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
198 +|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
199 +|**3**|**GND**|Ground
200 +|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
145 145  
146 -=== X12 – header for CAN2 interface ===
202 +(% class="box infomessage" %)
203 +(((
204 +**Note:**
205 +RS-485-2 operates differently depending on used firmware:
147 147  
148 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
207 +* **BMS Main 3X:** RS-485-2 bus is reserved;
208 +* **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"]]
210 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
211 +)))
151 151  
213 +=== X10 – miniUSB connector ===
214 +
215 +The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
216 +
217 +=== X11 – header for high-voltage bus before contactors (plus) ===
218 +
219 +[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
220 +
152 152  |**Pin**|**Name**|**Description**
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
222 +|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
223 +|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
157 157  
158 -=== X13 – header for CAN1 and RS-485 interfaces ===
225 +(% class="box warningmessage" %)
226 +(((
227 +The connected voltage must not exceed 1000V.
228 +)))
159 159  
160 -Receptacle Housing: Molex 430250600. Terminals: Molex 43030
230 +=== 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"]]
232 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
163 163  
164 164  |**Pin**|**Name**|**Description**
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
235 +|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
236 +|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
171 171  
172 -=== J1 – jumper for switching CAN2 bus terminal resistor ===
238 +(% class="box warningmessage" %)
239 +(((
240 +The connected voltage must not exceed 1000V.
241 +)))
173 173  
243 +=== 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 **CAN2_H **and **CAN2_L **lines, install a jumper. The jumper is installed according to the table:
245 +[[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
248 +|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
249 +|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
180 180  
181 -=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
251 +(% class="box warningmessage" %)
252 +(((
253 +The connected voltage must not exceed 1000V.
254 +)))
182 182  
256 +=== X14 – header for high-voltage bus after contactors (minus) ===
257 +
258 +[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
259 +
260 +|**Pin**|**Name**|**Description**
261 +|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
262 +|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
263 +
264 +(% class="box warningmessage" %)
265 +(((
266 +The connected voltage must not exceed 1000V.
267 +)))
268 +
269 +=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
270 +
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 **RS485_1_A **and **RS485_1_B **lines, install a jumper. The jumper is installed according to the table:
273 +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 CAN1 bus terminal resistor ===
279 +=== 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 **CAN1_H **and **CAN1_L **lines, install a jumper. The jumper is installed according to the table:
282 +[[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
198 198  |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
199 199  
288 +=== J3 – jumper for switching CAN2 bus terminal resistor ===
289 +
290 +
291 +[[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:
292 +
293 +|**Pin**|**Name**|**Description**
294 +|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
295 +|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
296 +
297 +=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
298 +
299 +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.
300 +
200 200  == Indicators ==
201 201  
202 -=== DS2 – operation indicator ===
303 +=== DS1 – LED indicating device power ===
203 203  
204 204  |**State**|**Description**
205 -|**Blinking green**|The BMS firmware is running
206 -|**Off**|The BMS firmware is not running
306 +|**Lights up green**|Device power (+5V) is present
307 +|**Doesn’t light up**|No device power
207 207  
208 -=== DS3 – communication indicator ===
309 +=== DS2 – LED indicating device work ===
209 209  
210 210  |**State**|**Description**
211 -|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
212 -|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
312 +|**Blinking green**|Executing the battery management program
313 +|**No blinking**|Program execution error
213 213  
214 -=== DS4 – error indicator ===
315 +=== DS3 – LED indicating interaction with BMS Logic ===
215 215  
216 216  |**State**|**Description**
217 -|**Blinking red**|Errors in communication with BMS Logic
318 +|**Blinking yellow**|The device interacts with BMS Logic devices
319 +|**No blinking**|-
218 218  
219 -=== DS1.1-DS1.4 – relay 1-4 indicator ===
321 +=== DS4 – LED indicating loss of connection with BMS Logic ===
220 220  
221 221  |**State**|**Description**
222 -|**Lights green**|Relay #1-#4 is closed
223 -|**Off**|Relay #1-#4 is opened
324 +|**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
325 +|**No blinking**|Communication with BMS Logic is stable
224 224  
327 +=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
328 +
329 +|**State**|**Description**
330 +|**Lights up green**|The switch supplies voltage to the contactor winding
331 +|**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
332 +
333 +=== DS11 – LED indicating the presence of power supply for contactors ===
334 +
335 +|**State**|**Description**
336 +|**Lights up green**|Power supply for contactor switches (9-32V) is present
337 +|**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
338 +
225 225  == Connection procedure ==
226 226  
341 +(% class="box warningmessage" %)
342 +(((
343 +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.
344 +)))
345 +
227 227  All operations to connect the device must be carried out with the supply voltage removed.
228 228  
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.
348 +* Connect the power contactors to header X2.
349 +* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
350 +* Connect BMS Logic devices to header X9.
351 +* Connect digital inputs and outputs (if necessary) to header X3.
352 +* Connect the high voltage bus (if necessary) to headers X11-X14.
353 +* Connect the high-voltage network integrity circuit (if necessary) to header X4.
354 +* Connect external devices (if necessary) to header X6.
355 +* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
356 +* 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.
357 +* 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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