Skip to Content

Wiki source code of 2. Installation and connection

Version 29.1 by Admin on 2024/12/04 15:36
Show last authors
1 (% data-numbered-headings-start="1" style="--numbered-headings-start: 1;font-size: 0px;color: rgba(0, 0, 0, 0.0)" %)
2 = =
3 == Installation procedure ==
4
5 The mounting location of the BMS Main 3.0 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
7 Overall and mounting dimensions are shown in figure below.
8
9 (% 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" %)​
10
11 |**Parameter**|**Value**
12 |Overall dimensions (length × width × height), mm|200 × 123 × 12
13 |Mounting dimensions (length × width), mm|194 × 114
14 |Mounting holes|M3
15
16 == 2.2 Headers ==
17
18 The location and designation of connectors on the BMS Main 3.0 device are shown below.
19
20 (% contenteditable="false" tabindex="-1" %)
21 (((
22 [[image:1732119505664-787.png||data-xwiki-image-style-alignment="center" height="417" width="684"]]
23 )))
24
25 (% class="box warningmessage" %)
26 (((
27 **Attention!**
28 All headers are shown from the device side!
29 )))
30
31 === 2.2.1 X1 – header to power the device ===
32
33 (% class="wikigeneratedid" id="H" %)
34 (% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png||data-xwiki-image-style-alignment="center" height="85" width="200"]]
35
36 |**Pin**|**Name**|**Description**
37 |**1–2, 5–6**|**GND**|Ground
38 |**3**|**KEYRUN**|Power-on signal
39 |**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
40 |**7–8**|**VIN**|Power line (9-32V)
41
42 Power supply connection diagram:
43
44 (% 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"]]
45
46 === (% title="Click and drag to resize" %)​(%%)2.2.2 X2 – header for contactors ===
47
48 (% 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" %)​
49
50 |**Pin**|**Name**|**Description**
51 |**1–4, 8–9**|**GND**|Ground
52 |**5**|**CONT1_OUT**|Contactor control 1 (plus)
53 |**6**|**CONT2_OUT**|Contactor control 2 (plus)
54 |**7**|**CONT3_OUT**|Contactor control 3 (plus)
55 |**10**|**CONT4_OUT**|Contactor control 4 (plus)
56 |**11**|**CONT5_OUT**|Contactor control 5 (plus)
57 |**12**|**CONT6_OUT**|Contactor control 6 (plus)
58
59 Contactor connection diagram:
60
61 (% 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"]]
62
63 === (% title="Click and drag to resize" %)​(%%)2.2.3 X3 – header for discrete inputs and outputs ===
64
65 (% 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"]]
66
67 |**Pin**|**Name**|**Description**
68 |**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
69 |**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact” (+5 V)
70 |**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact” (+5 V)
71 |**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact” (+5 V)
72 |**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact” (+5 V)
73 |**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact” (+5 V)
74 |**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact” (+5 V)
75 |**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
76 |**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
77 |**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
78 |**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
79 |**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
80 |**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
81
82 Connection diagram of a discrete input to a dry contact output:
83
84 (% 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:
85
86 (% 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:
87
88 (% 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:
89
90 (% aria-label="1732121942791-517.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121942791-517.png||data-xwiki-image-style-alignment="center" height="90" width="269"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.4 X4 – header for HVIL
91
92 (% aria-label="1732122015188-642.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]](% title="Click and drag to resize" %)​
93
94 |**Pin**|**Name**|**Description**
95 |**1**|**-**|Not used
96 |**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
97 |**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
98 |**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
99
100 If the BMS Main 3 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 is a passive current loop meter, then the current loop must be connected to the **HVIL_IN** and **HVIL_OUT** pins.
101
102 Connection diagram to the current loop:
103
104 (% aria-label="1732122067418-263.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122067418-263.png||data-xwiki-image-style-alignment="center" height="264" width="356"]](% title="Click and drag to resize" %)​(% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)2.2.5 X5 – header for current and temperature sensors
105
106 (% aria-label="image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]](% title="Click and drag to resize" %)​
107
108 (% style="width:539px" %)
109 |**Pin**|**Name**|(% style="width:402px" %)**Description**
110 |**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
111 |**2–6**|**GND**|(% style="width:402px" %)Ground
112 |**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
113 |**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
114 |**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
115 |**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
116 |**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
117 |**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
118 |**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
119 |**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
120 |**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
121 |**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
122
123 Current sensor connection diagram (using the example of LEM HASS 100-S):
124
125 [[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
126
127 Current sensor connection diagram (using the example of LEM DHAB S/118):
128
129 [[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
130
131 NTC-thermistor connection diagram:
132
133 [[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
134
135 === 2.2.6 X6 – header for CAN1 and RS-485-1 (external buses) ===
136
137 [[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
138
139 |**Pin**|**Name**|**Description**
140 |**1**|**CAN1_H**|CAN1 line H for communication with external equipment
141 |**2**|**CAN1_L**|CAN1 line L for communication with external equipment
142 |**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
143 |**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
144 |**5**|**RS485_1_B**|RS-485-1 line B for communication with external equipment
145
146 Connection diagram to the CAN1 bus:
147
148 [[image:1733316241362-843.png||data-xwiki-image-style-alignment="center" height="153" width="410"]]
149
150 Connection diagram to the RS-485-1 bus:
151
152 [[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
153
154 === 2.2.7 X7 – header for CAN2 (internal bus) ===
155
156 [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
157
158 |**Pin**|**Name**|**Description**
159 |**1**|**CAN2_H**|CAN2 line H for communication with BMS devices
160 |**2**|**CAN2_L**|CAN2 line L for communication with BMS devices
161 |**3**|**GND**|Ground
162 |**4**|**CAN2_5V**|CAN2 power line (5 V, max 400 mA)
163
164 Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
165
166 [[image:1733316563149-458.png||data-xwiki-image-style-alignment="center" height="158" width="392"]]
167
168 === 2.2.8 X8 – header for CAN3 ===
169
170 [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
171
172 |**Pin**|**Name**|**Description**
173 |**1**|**CAN3_H**|CAN3 line H for communication with battery modules (for BMS Main 3X)
174 |**2**|**CAN3_L**|CAN3 line L for communication with battery modules (for BMS Main 3X)
175 |**3**|**GND**|Ground
176 |**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
177
178 (% class="box infomessage" %)
179 (((
180 If the BMS Main 3 device acts as a controller for a battery system consisting of several battery modules connected in parallel, then the parallel battery BMS must be connected to the CAN3 bus.
181 )))
182
183 Diagram for connecting battery modules to the CAN3 bus:
184
185 [[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" height="153" width="417"]]
186
187 === 2.2.9 X9 – header for BMS Logic (RS-485-2) ===
188
189 [[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
190
191 |**Pin**|**Name**|**Description**
192 |**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
193 |**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
194 |**3**|**GND**|Ground
195 |**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
196
197 Connection diagram for BMS Logic devices:
198
199 [[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" height="163" width="400"]]
200
201 === 2.2.10 X10 – miniUSB connector ===
202
203 The miniUSB connector is used to configure the parameters of the BMS Main 3.0 device.
204
205 === 2.2.11 X11 – header for high-voltage bus before contactors (plus) ===
206
207 [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
208
209 |**Pin**|**Name**|**Description**
210 |**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
211 |**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
212
213 (% class="box warningmessage" %)
214 (((
215 The connected voltage must not exceed 1000V.
216 )))
217
218 === 2.2.12 X12 – header for high-voltage bus before contactors (minus) ===
219
220 [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
221
222 |**Pin**|**Name**|**Description**
223 |**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
224 |**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
225
226 (% class="box warningmessage" %)
227 (((
228 The connected voltage must not exceed 1000V.
229 )))
230
231 === 2.2.13 X13 – header for high-voltage bus after contactors (plus) ===
232
233 [[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
234
235 |**Pin**|**Name**|**Description**
236 |**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
237 |**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
238
239 (% class="box warningmessage" %)
240 (((
241 The connected voltage must not exceed 1000V.
242 )))
243
244 === 2.2.14  X14 – header for high-voltage bus after contactors (minus) ===
245
246 [[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
247
248 |**Pin**|**Name**|**Description**
249 |**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
250 |**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
251
252 (% class="box warningmessage" %)
253 (((
254 The connected voltage must not exceed 1000V.
255 )))
256
257 === 2.2.15 J1 – jumper for switching RS-485-1 bus terminal resistor ===
258
259 [[image:1733316982359-759.png||data-xwiki-image-style-alignment="center" height="77" width="148"]]
260
261 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:
262
263 |**Pin**|**Name**|**Description**
264 |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
265 |**2-3**|**-**|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
266
267 === 2.2.16 J2 – jumper for switching CAN1 bus terminal resistor ===
268
269
270 [[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:
271
272 |**Pin**|**Name**|**Description**
273 |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN1 bus is connected
274 |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
275
276 === 2.2.17 J3 – jumper for switching CAN2 bus terminal resistor ===
277
278
279 [[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:
280
281 |**Pin**|**Name**|**Description**
282 |**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
283 |**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
284
285 === 2.2.18 J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
286
287 The BMS Main 3 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.
288
289 == 2.3 Indicators ==
290
291 === 2.3.1 DS1 – LED indicating device power ===
292
293 |**State**|**Description**
294 |**Lights up green**|Device power (+5V) is present
295 |**Doesn’t light up**|No device power
296
297 === 2.3.2 DS2 – LED indicating device work ===
298
299 |**State**|**Description**
300 |**Blinking green**|Executing the battery management program
301 |**No blinking**|Program execution error
302
303 === 2.3.3 DS3 – LED indicating interaction with BMS Logic ===
304
305 |**State**|**Description**
306 |**Blinking yellow**|The device interacts with BMS Logic devices
307 |**No blinking**|-
308
309 === 2.3.4 DS4 – LED indicating loss of connection with BMS Logic ===
310
311 |**State**|**Description**
312 |**Blinking/lights up red**|Communication with one or more BMS Logic devices is lost
313 |**No blinking**|Communication with BMS Logic is stable
314
315 === 2.3.5 DS5-DS10 – LEDs indicating contactor switches 1-6 ===
316
317 |**State**|**Description**
318 |**Lights up green**|The switch supplies voltage to the contactor winding
319 |**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
320
321 === 2.3.6 DS11 – LED indicating the presence of power supply for contactors ===
322
323 |**State**|**Description**
324 |**Lights up green**|Power supply for contactor switches (9-32V) is present
325 |**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
326
327 == 2.4 Connection procedure ==
328
329 (% class="box warningmessage" %)
330 (((
331 Before connection, configure the device (see ). Correct operation of the BMS system is only possible with correct configuration.
332 )))
333
334 All operations to connect the device must be carried out with the supply voltage removed.
335
336 * Connect the power contactors to header X2.
337 * Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
338 * Connect BMS Logic devices to header X9.
339 * Connect digital inputs and outputs (if necessary) to header X3.
340 * Connect the high voltage bus (if necessary) to headers X11-X14.
341 * Connect the high-voltage network integrity circuit (if necessary) to header X4.
342 * Connect external devices (if necessary) to header X6.
343 * Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
344 * If the BMS Main 3.0 is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
345 * 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.