Wiki source code of 2. Installation and connection

Version 41.1 by Admin on 2024/12/12 16:29

version	line-number	content
31.1	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	= Installation and connection =
30.1	3
28.1	4	== Installation procedure ==
27.1	5
40.1	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.
27.1	7
	8	Overall and mounting dimensions are shown in figure below.
	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" %)
	11
	12	\|Parameter\|Value
	13	\|Overall dimensions (length × width × height), mm\|200 × 123 × 12
	14	\|Mounting dimensions (length × width), mm\|194 × 114
	15	\|Mounting holes\|M3
	16
30.1	17	== Headers ==
27.1	18
40.1	19	The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
27.1	20
	21	(% contenteditable="false" tabindex="-1" %)
	22	(((
	23	[[image:1732119505664-787.png\|\|data-xwiki-image-style-alignment="center" height="417" width="684"]]
	24	)))
	25
	26	(% class="box warningmessage" %)
	27	(((
	28	Attention!
	29	All headers are shown from the device side!
	30	)))
	31
30.1	32	=== X1 – header to power the device ===
27.1	33
	34	(% class="wikigeneratedid" id="H" %)
	35	(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png\|\|data-xwiki-image-style-alignment="center" height="85" width="200"]]
	36
	37	\|Pin\|Name\|Description
	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)
	42
	43	Power supply connection diagram:
	44
	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"]]
	46
30.1	47	=== X2 – header for contactors ===
27.1	48
	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" %)
	50
	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)
	59
	60	Contactor connection diagram:
	61
	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"]]
	63
30.1	64	=== (% title="Click and drag to resize" %)(%%)X3 – header for discrete inputs and outputs ===
27.1	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
	68	\|Pin\|Name\|Description
	69	\|1–8, 12, 16–17, 21\|DIO_GND\|Ground of input and output signals
36.1	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”
27.1	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)
	82
	83	Connection diagram of a discrete input to a dry contact output:
	84
	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:
	86
	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:
	88
	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:
	90
30.1	91	=== X4 – header for HVIL ===
27.1	92
30.1	93	[[image:1732122015188-642.png\|\|data-xwiki-image-style-alignment="center" height="64" width="150"]]
27.1	94
	95	\|Pin\|Name\|Description
	96	\|1\|-\|Not used
	97	\|2\|HVIL_OUT\|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
	98	\|3\|HVIL_IN\|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
	99	\|4\|HVIL_PWR\|Current loop power supply (max 5V, 25mA)
	100
40.1	101	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.
27.1	102
	103	Connection diagram to the current loop:
	104
31.1	105	=== X5 – header for current and temperature sensors ===
27.1	106
30.1	107	[[image:1733311958053-469.png\|\|data-xwiki-image-style-alignment="center" height="83" width="349"]]
27.1	108
	109	(% style="width:539px" %)
	110	\|Pin\|Name\|(% style="width:402px" %)Description
	111	\|1\|CS1_5V\|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
	112	\|2–6\|GND\|(% style="width:402px" %)Ground
	113	\|7\|CS1_IN1\|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
	114	\|8\|CS1_REF_IN2\|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
	115	\|9\|CS2_5V\|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
	116	\|10\|CS2_IN1\|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
	117	\|11\|CS2_REF_IN2\|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
	118	\|12\|CS3_5V\|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
	119	\|13\|CS3_IN1\|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
	120	\|14\|CS3_REF_IN2\|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
	121	\|15\|TEMP1\|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
	122	\|16\|TEMP2\|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
	123
	124	Current sensor connection diagram (using the example of LEM HASS 100-S):
	125
	126	[[image:1733316158040-285.png\|\|data-xwiki-image-style-alignment="center" height="170" width="412"]]
	127
	128	Current sensor connection diagram (using the example of LEM DHAB S/118):
	129
	130	[[image:1733316170709-142.png\|\|data-xwiki-image-style-alignment="center" height="171" width="413"]]
	131
	132	NTC-thermistor connection diagram:
	133
	134	[[image:1733316189878-329.png\|\|data-xwiki-image-style-alignment="center" height="130" width="260"]]
	135
30.1	136	=== X6 – header for CAN1 and RS-485-1 (external buses) ===
27.1	137
	138	[[image:1733316218666-814.png\|\|data-xwiki-image-style-alignment="center" height="55" width="162"]]
	139
	140	\|Pin\|Name\|Description
	141	\|1\|CAN1_H\|CAN1 line H for communication with external equipment
	142	\|2\|CAN1_L\|CAN1 line L for communication with external equipment
	143	\|3\|CAN1_RS485_1_GND\|Ground of CAN1 and RS-485-1
	144	\|4\|RS485_1_A\|RS-485-1 line A for communication with external equipment
	145	\|5\|RS485_1_B\|RS-485-1 line B for communication with external equipment
	146
	147	Connection diagram to the CAN1 bus:
	148
	149	[[image:1733316241362-843.png\|\|data-xwiki-image-style-alignment="center" height="153" width="410"]]
	150
	151	Connection diagram to the RS-485-1 bus:
	152
	153	[[image:1733316483336-290.png\|\|data-xwiki-image-style-alignment="center" height="152" width="417"]]
	154
30.1	155	=== X7 – header for CAN2 (internal bus) ===
27.1	156
	157	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	158
	159	\|Pin\|Name\|Description
38.1	160	\|1\|CAN2_H\|CAN2 line H for communication with other BMS devices
	161	\|2\|CAN2_L\|CAN2 line L for communication with other BMS devices
27.1	162	\|3\|GND\|Ground
	163	\|4\|CAN2_5V\|CAN2 power line (5 V, max 400 mA)
	164
	165	Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
	166
	167	[[image:1733316563149-458.png\|\|data-xwiki-image-style-alignment="center" height="158" width="392"]]
	168
30.1	169	=== X8 – header for CAN3 ===
27.1	170
	171	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	172
	173	\|Pin\|Name\|Description
38.1	174	\|1\|CAN3_H\|CAN3 line H
	175	\|2\|CAN3_L\|CAN3 line L
27.1	176	\|3\|GND\|Ground
	177	\|4\|CAN3_5V\|CAN3 power line (5 V, max 400 mA)
	178
	179	(% class="box infomessage" %)
	180	(((
38.1	181	Note:
	182	CAN3 operates differently depending on used firmware:
27.1	183
38.1	184	* BMS Main 3: CAN3 bus is reserved;
39.1	185	* 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:
38.1	186
	187	[[image:1733316622613-181.png\|\|data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
	188	)))
27.1	189
30.1	190	=== X9 – header for BMS Logic (RS-485-2) ===
27.1	191
	192	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	193
	194	\|Pin\|Name\|Description
	195	\|1\|LOGIC_B\|RS-485 line B for communication with BMS Logic
	196	\|2\|LOGIC_A\|RS-485 line A for communication with BMS Logic
	197	\|3\|GND\|Ground
	198	\|4\|LOGIC_5V\|BMS Logic power line (+5V, max 400mA)
	199
40.1	200	(% class="box infomessage" %)
	201	(((
	202	Note:
	203	RS-485-2 operates differently depending on used firmware:
27.1	204
40.1	205	* BMS Main 3X: RS-485-2 bus is reserved;
	206	* BMS Main 3: RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
27.1	207
40.1	208	[[image:1733316674363-604.png\|\|data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
	209	)))
	210
30.1	211	=== X10 – miniUSB connector ===
27.1	212
41.1	213	The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
27.1	214
30.1	215	=== X11 – header for high-voltage bus before contactors (plus) ===
27.1	216
	217	[[image:1733316780753-798.png\|\|data-xwiki-image-style-alignment="center" height="60" width="91"]]
	218
	219	\|Pin\|Name\|Description
	220	\|1\|IN1+\|Plus of the high-voltage bus (before contactors)
	221	\|2\|IN1+\|Plus of the high-voltage bus (before contactors)
	222
	223	(% class="box warningmessage" %)
	224	(((
	225	The connected voltage must not exceed 1000V.
	226	)))
	227
30.1	228	=== X12 – header for high-voltage bus before contactors (minus) ===
27.1	229
	230	[[image:1733316843397-336.png\|\|data-xwiki-image-style-alignment="center" height="53" width="79"]]
	231
	232	\|Pin\|Name\|Description
	233	\|1\|IN1-\|Minus of the high-voltage bus (before contactors)
	234	\|2\|IN1-\|Minus of the high-voltage bus (before contactors)
	235
	236	(% class="box warningmessage" %)
	237	(((
	238	The connected voltage must not exceed 1000V.
	239	)))
	240
30.1	241	=== X13 – header for high-voltage bus after contactors (plus) ===
27.1	242
	243	[[image:1733316780753-798.png\|\|data-xwiki-image-style-alignment="center" height="60" width="91"]]
	244
	245	\|Pin\|Name\|Description
	246	\|1\|IN2+\|Plus of the high-voltage bus (after contactors)
	247	\|2\|IN2+\|Plus of the high-voltage bus (after contactors)
	248
	249	(% class="box warningmessage" %)
	250	(((
	251	The connected voltage must not exceed 1000V.
	252	)))
	253
30.1	254	=== X14 – header for high-voltage bus after contactors (minus) ===
27.1	255
	256	[[image:1733316843397-336.png\|\|data-xwiki-image-style-alignment="center" height="53" width="79"]]
	257
	258	\|Pin\|Name\|Description
	259	\|1\|IN2-\|Minus of the high-voltage bus (after contactors)
	260	\|2\|IN2-\|Minus of the high-voltage bus (after contactors)
	261
	262	(% class="box warningmessage" %)
	263	(((
	264	The connected voltage must not exceed 1000V.
	265	)))
	266
30.1	267	=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
27.1	268
	269	[[image:1733316982359-759.png\|\|data-xwiki-image-style-alignment="center" height="77" width="148"]]
	270
	271	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:
	272
	273	\|Pin\|Name\|Description
	274	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
	275	\|2-3\|-\|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
	276
30.1	277	=== J2 – jumper for switching CAN1 bus terminal resistor ===
27.1	278
	279
	280	[[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:
	281
	282	\|Pin\|Name\|Description
	283	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN1 bus is connected
	284	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
	285
30.1	286	=== J3 – jumper for switching CAN2 bus terminal resistor ===
27.1	287
	288
	289	[[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:
	290
	291	\|Pin\|Name\|Description
	292	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN2 bus is connected
	293	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
	294
30.1	295	=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
27.1	296
41.1	297	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.
27.1	298
30.1	299	== Indicators ==
27.1	300
30.1	301	=== DS1 – LED indicating device power ===
27.1	302
	303	\|State\|Description
	304	\|Lights up green\|Device power (+5V) is present
	305	\|Doesn’t light up\|No device power
	306
30.1	307	=== DS2 – LED indicating device work ===
27.1	308
	309	\|State\|Description
	310	\|Blinking green\|Executing the battery management program
	311	\|No blinking\|Program execution error
	312
30.1	313	=== DS3 – LED indicating interaction with BMS Logic ===
27.1	314
	315	\|State\|Description
	316	\|Blinking yellow\|The device interacts with BMS Logic devices
	317	\|No blinking\|-
	318
30.1	319	=== DS4 – LED indicating loss of connection with BMS Logic ===
27.1	320
	321	\|State\|Description
	322	\|Blinking/lights up red\|Communication with one or more BMS Logic devices is lost
	323	\|No blinking\|Communication with BMS Logic is stable
	324
30.1	325	=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
27.1	326
	327	\|State\|Description
	328	\|Lights up green\|The switch supplies voltage to the contactor winding
	329	\|Doesn’t light up\|The switch doesn’t supply voltage to the contactor winding
	330
30.1	331	=== DS11 – LED indicating the presence of power supply for contactors ===
27.1	332
	333	\|State\|Description
	334	\|Lights up green\|Power supply for contactor switches (9-32V) is present
	335	\|Doesn’t light up\|Power supply for contactor switches (9-32V) is not present
	336
30.1	337	== Connection procedure ==
27.1	338
	339	(% class="box warningmessage" %)
	340	(((
35.1	341	Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Settings.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
27.1	342	)))
	343
	344	All operations to connect the device must be carried out with the supply voltage removed.
	345
	346	* Connect the power contactors to header X2.
	347	* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
	348	* Connect BMS Logic devices to header X9.
	349	* Connect digital inputs and outputs (if necessary) to header X3.
	350	* Connect the high voltage bus (if necessary) to headers X11-X14.
	351	* Connect the high-voltage network integrity circuit (if necessary) to header X4.
	352	* Connect external devices (if necessary) to header X6.
	353	* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
40.1	354	* 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.
27.1	355	* 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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