Wiki source code of 2. Installation and connection

Version 43.1 by Admin on 2025/01/29 13:28

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
43.1	16	\|Connector type\|Hirose ZE05
27.1	17
30.1	18	== Headers ==
27.1	19
40.1	20	The location and designation of connectors on the BMS Main 3 / BMS Main 3X device are shown below.
27.1	21
	22	(% contenteditable="false" tabindex="-1" %)
	23	(((
	24	[[image:1732119505664-787.png\|\|data-xwiki-image-style-alignment="center" height="417" width="684"]]
	25	)))
	26
	27	(% class="box warningmessage" %)
	28	(((
	29	Attention!
	30	All headers are shown from the device side!
	31	)))
	32
30.1	33	=== X1 – header to power the device ===
27.1	34
	35	(% class="wikigeneratedid" id="H" %)
	36	(% data-widget="image" contenteditable="false" tabindex="-1" %)[[image:1732121673277-246.png\|\|data-xwiki-image-style-alignment="center" height="85" width="200"]]
	37
	38	\|Pin\|Name\|Description
	39	\|1–2, 5–6\|GND\|Ground
	40	\|3\|KEYRUN\|Power-on signal
	41	\|4\|CHARGE_ON\|Power-on signal (battery charge requirement)
	42	\|7–8\|VIN\|Power line (9-32V)
	43
	44	Power supply connection diagram:
	45
	46	(% aria-label="1732120054870-496.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732120054870-496.png\|\|data-xwiki-image-style-alignment="center" height="169" width="327"]]
	47
30.1	48	=== X2 – header for contactors ===
27.1	49
	50	(% aria-label="1732121695049-411.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121695049-411.png\|\|data-xwiki-image-style-alignment="center" height="87" width="267"]](% title="Click and drag to resize" %)
	51
	52	\|Pin\|Name\|Description
	53	\|1–4, 8–9\|GND\|Ground
	54	\|5\|CONT1_OUT\|Contactor control 1 (plus)
	55	\|6\|CONT2_OUT\|Contactor control 2 (plus)
	56	\|7\|CONT3_OUT\|Contactor control 3 (plus)
	57	\|10\|CONT4_OUT\|Contactor control 4 (plus)
	58	\|11\|CONT5_OUT\|Contactor control 5 (plus)
	59	\|12\|CONT6_OUT\|Contactor control 6 (plus)
	60
	61	Contactor connection diagram:
	62
	63	(% aria-label="1732121755886-234.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121755886-234.png\|\|data-xwiki-image-style-alignment="center" height="82" width="260"]]
	64
30.1	65	=== (% title="Click and drag to resize" %)(%%)X3 – header for discrete inputs and outputs ===
27.1	66
	67	(% aria-label="1732121811285-182.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121811285-182.png\|\|data-xwiki-image-style-alignment="center" height="94" width="531"]]
	68
	69	\|Pin\|Name\|Description
	70	\|1–8, 12, 16–17, 21\|DIO_GND\|Ground of input and output signals
36.1	71	\|9\|DIN1_SIGNAL\|Discrete input 1 “dry contact”
	72	\|10\|DIN2_SIGNAL\|Discrete input 2 “dry contact”
	73	\|11\|DIN3_SIGNAL\|Discrete input 3 “dry contact”
	74	\|13\|DIN4_SIGNAL\|Discrete input 4 “dry contact”
	75	\|14\|DIN5_SIGNAL\|Discrete input 5 “dry contact”
	76	\|15\|DIN6_SIGNAL\|Discrete input 6 “dry contact”
27.1	77	\|18\|DIN7_VIN\|Discrete input 7 (signal detection with voltage 9-32V)
	78	\|19\|DIN8_VIN\|Discrete input 8 (signal detection with voltage 9-32V)
	79	\|20\|DOUT1_OD\|Discrete output 1 “open drain” (60 V, 1A)
	80	\|22\|DOUT2_OD\|Discrete output 2 “open drain” (60 V, 1A)
	81	\|23\|DOUT3_OD\|Discrete output 3 “open drain” (60 V, 1A)
	82	\|24\|DOUT4_OD\|Discrete output 4 “open drain” (60 V, 1A)
	83
	84	Connection diagram of a discrete input to a dry contact output:
	85
	86	(% aria-label="1732121887401-555.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121887401-555.png\|\|data-xwiki-image-style-alignment="center" height="63" width="196"]](% title="Click and drag to resize" %)(%%)Connection diagram of a discrete input to an open collector output:
	87
	88	(% aria-label="1732122137116-973.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732122137116-973.png\|\|data-xwiki-image-style-alignment="center" height="100" width="274"]](% title="Click and drag to resize" %)(%%)Connection diagram for a discrete input for detecting a 9-32V signal:
	89
	90	(% aria-label="1732121926812-202.png image widget" data-widget="image" contenteditable="false" role="region" tabindex="-1" %)[[image:1732121926812-202.png\|\|data-xwiki-image-style-alignment="center" height="76" width="242"]](% title="Click and drag to resize" %)(%%)Connection diagram for discrete output:
	91
30.1	92	=== X4 – header for HVIL ===
27.1	93
30.1	94	[[image:1732122015188-642.png\|\|data-xwiki-image-style-alignment="center" height="64" width="150"]]
27.1	95
	96	\|Pin\|Name\|Description
	97	\|1\|-\|Not used
	98	\|2\|HVIL_OUT\|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
	99	\|3\|HVIL_IN\|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
	100	\|4\|HVIL_PWR\|Current loop power supply (max 5V, 25mA)
	101
40.1	102	If the BMS Main 3 / BMS Main 3X device generates current in a current loop, the current loop must be connected to the HVIL_PWR and HVIL_IN pins. If BMS Main 3 / BMS Main 3X is a passive current loop meter, then the current loop must be connected to the HVIL_IN and HVIL_OUT pins.
27.1	103
	104	Connection diagram to the current loop:
	105
31.1	106	=== X5 – header for current and temperature sensors ===
27.1	107
30.1	108	[[image:1733311958053-469.png\|\|data-xwiki-image-style-alignment="center" height="83" width="349"]]
27.1	109
	110	(% style="width:539px" %)
	111	\|Pin\|Name\|(% style="width:402px" %)Description
	112	\|1\|CS1_5V\|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
	113	\|2–6\|GND\|(% style="width:402px" %)Ground
	114	\|7\|CS1_IN1\|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
	115	\|8\|CS1_REF_IN2\|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
	116	\|9\|CS2_5V\|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
	117	\|10\|CS2_IN1\|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
	118	\|11\|CS2_REF_IN2\|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
	119	\|12\|CS3_5V\|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
	120	\|13\|CS3_IN1\|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
	121	\|14\|CS3_REF_IN2\|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
	122	\|15\|TEMP1\|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
	123	\|16\|TEMP2\|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
	124
	125	Current sensor connection diagram (using the example of LEM HASS 100-S):
	126
	127	[[image:1733316158040-285.png\|\|data-xwiki-image-style-alignment="center" height="170" width="412"]]
	128
	129	Current sensor connection diagram (using the example of LEM DHAB S/118):
	130
	131	[[image:1733316170709-142.png\|\|data-xwiki-image-style-alignment="center" height="171" width="413"]]
	132
	133	NTC-thermistor connection diagram:
	134
	135	[[image:1733316189878-329.png\|\|data-xwiki-image-style-alignment="center" height="130" width="260"]]
	136
30.1	137	=== X6 – header for CAN1 and RS-485-1 (external buses) ===
27.1	138
	139	[[image:1733316218666-814.png\|\|data-xwiki-image-style-alignment="center" height="55" width="162"]]
	140
	141	\|Pin\|Name\|Description
	142	\|1\|CAN1_H\|CAN1 line H for communication with external equipment
	143	\|2\|CAN1_L\|CAN1 line L for communication with external equipment
	144	\|3\|CAN1_RS485_1_GND\|Ground of CAN1 and RS-485-1
	145	\|4\|RS485_1_A\|RS-485-1 line A for communication with external equipment
	146	\|5\|RS485_1_B\|RS-485-1 line B for communication with external equipment
	147
	148	Connection diagram to the CAN1 bus:
	149
	150	[[image:1733316241362-843.png\|\|data-xwiki-image-style-alignment="center" height="153" width="410"]]
	151
	152	Connection diagram to the RS-485-1 bus:
	153
	154	[[image:1733316483336-290.png\|\|data-xwiki-image-style-alignment="center" height="152" width="417"]]
	155
30.1	156	=== X7 – header for CAN2 (internal bus) ===
27.1	157
	158	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	159
	160	\|Pin\|Name\|Description
38.1	161	\|1\|CAN2_H\|CAN2 line H for communication with other BMS devices
	162	\|2\|CAN2_L\|CAN2 line L for communication with other BMS devices
27.1	163	\|3\|GND\|Ground
	164	\|4\|CAN2_5V\|CAN2 power line (5 V, max 400 mA)
	165
	166	Connection diagram to the CAN2 bus (using the example of connecting BMS Display 1.2):
	167
	168	[[image:1733316563149-458.png\|\|data-xwiki-image-style-alignment="center" height="158" width="392"]]
	169
30.1	170	=== X8 – header for CAN3 ===
27.1	171
	172	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	173
	174	\|Pin\|Name\|Description
38.1	175	\|1\|CAN3_H\|CAN3 line H
	176	\|2\|CAN3_L\|CAN3 line L
27.1	177	\|3\|GND\|Ground
	178	\|4\|CAN3_5V\|CAN3 power line (5 V, max 400 mA)
	179
	180	(% class="box infomessage" %)
	181	(((
38.1	182	Note:
	183	CAN3 operates differently depending on used firmware:
27.1	184
38.1	185	* BMS Main 3: CAN3 bus is reserved;
39.1	186	* BMS Main 3X: CAN3 bus is used to connect with BMS Main 3 inside parallel strings. Diagram for connecting battery modules to the CAN3 bus:
38.1	187
	188	[[image:1733316622613-181.png\|\|data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
	189	)))
27.1	190
30.1	191	=== X9 – header for BMS Logic (RS-485-2) ===
27.1	192
	193	[[image:1733316517741-698.png\|\|data-xwiki-image-style-alignment="center" height="59" width="144"]]
	194
	195	\|Pin\|Name\|Description
	196	\|1\|LOGIC_B\|RS-485 line B for communication with BMS Logic
	197	\|2\|LOGIC_A\|RS-485 line A for communication with BMS Logic
	198	\|3\|GND\|Ground
	199	\|4\|LOGIC_5V\|BMS Logic power line (+5V, max 400mA)
	200
40.1	201	(% class="box infomessage" %)
	202	(((
	203	Note:
	204	RS-485-2 operates differently depending on used firmware:
27.1	205
40.1	206	* BMS Main 3X: RS-485-2 bus is reserved;
	207	* BMS Main 3: RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
27.1	208
40.1	209	[[image:1733316674363-604.png\|\|data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
	210	)))
	211
30.1	212	=== X10 – miniUSB connector ===
27.1	213
41.1	214	The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
27.1	215
30.1	216	=== X11 – header for high-voltage bus before contactors (plus) ===
27.1	217
	218	[[image:1733316780753-798.png\|\|data-xwiki-image-style-alignment="center" height="60" width="91"]]
	219
	220	\|Pin\|Name\|Description
	221	\|1\|IN1+\|Plus of the high-voltage bus (before contactors)
	222	\|2\|IN1+\|Plus of the high-voltage bus (before contactors)
	223
	224	(% class="box warningmessage" %)
	225	(((
	226	The connected voltage must not exceed 1000V.
	227	)))
	228
30.1	229	=== X12 – header for high-voltage bus before contactors (minus) ===
27.1	230
	231	[[image:1733316843397-336.png\|\|data-xwiki-image-style-alignment="center" height="53" width="79"]]
	232
	233	\|Pin\|Name\|Description
	234	\|1\|IN1-\|Minus of the high-voltage bus (before contactors)
	235	\|2\|IN1-\|Minus of the high-voltage bus (before contactors)
	236
	237	(% class="box warningmessage" %)
	238	(((
	239	The connected voltage must not exceed 1000V.
	240	)))
	241
30.1	242	=== X13 – header for high-voltage bus after contactors (plus) ===
27.1	243
	244	[[image:1733316780753-798.png\|\|data-xwiki-image-style-alignment="center" height="60" width="91"]]
	245
	246	\|Pin\|Name\|Description
	247	\|1\|IN2+\|Plus of the high-voltage bus (after contactors)
	248	\|2\|IN2+\|Plus of the high-voltage bus (after contactors)
	249
	250	(% class="box warningmessage" %)
	251	(((
	252	The connected voltage must not exceed 1000V.
	253	)))
	254
30.1	255	=== X14 – header for high-voltage bus after contactors (minus) ===
27.1	256
	257	[[image:1733316843397-336.png\|\|data-xwiki-image-style-alignment="center" height="53" width="79"]]
	258
	259	\|Pin\|Name\|Description
	260	\|1\|IN2-\|Minus of the high-voltage bus (after contactors)
	261	\|2\|IN2-\|Minus of the high-voltage bus (after contactors)
	262
	263	(% class="box warningmessage" %)
	264	(((
	265	The connected voltage must not exceed 1000V.
	266	)))
	267
30.1	268	=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
27.1	269
	270	[[image:1733316982359-759.png\|\|data-xwiki-image-style-alignment="center" height="77" width="148"]]
	271
	272	To connect a terminal resistor between the RS485_1_A and RS485_1_B lines, install a jumper. The jumper is installed according to the table:
	273
	274	\|Pin\|Name\|Description
	275	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
	276	\|2-3\|-\|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
	277
30.1	278	=== J2 – jumper for switching CAN1 bus terminal resistor ===
27.1	279
	280
	281	[[image:1733316982359-759.png\|\|data-xwiki-image-style-alignment="center" height="77" width="148"]]To connect a terminal resistor between the CAN1_H and CAN1_L lines, install a jumper. The jumper is installed according to the table:
	282
	283	\|Pin\|Name\|Description
	284	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN1 bus is connected
	285	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
	286
30.1	287	=== J3 – jumper for switching CAN2 bus terminal resistor ===
27.1	288
	289
	290	[[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:
	291
	292	\|Pin\|Name\|Description
	293	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN2 bus is connected
	294	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
	295
30.1	296	=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
27.1	297
41.1	298	The BMS Main 3 / BMS Main 3X device implements a circuit for hardware opening of power contactors when the discrete input signal DIN7 and/or DIN8 (voltage level 9-32V) is removed. To enable this function, jumper J5 and/or J6 must be installed.
27.1	299
30.1	300	== Indicators ==
27.1	301
30.1	302	=== DS1 – LED indicating device power ===
27.1	303
	304	\|State\|Description
	305	\|Lights up green\|Device power (+5V) is present
	306	\|Doesn’t light up\|No device power
	307
30.1	308	=== DS2 – LED indicating device work ===
27.1	309
	310	\|State\|Description
	311	\|Blinking green\|Executing the battery management program
	312	\|No blinking\|Program execution error
	313
30.1	314	=== DS3 – LED indicating interaction with BMS Logic ===
27.1	315
	316	\|State\|Description
	317	\|Blinking yellow\|The device interacts with BMS Logic devices
	318	\|No blinking\|-
	319
30.1	320	=== DS4 – LED indicating loss of connection with BMS Logic ===
27.1	321
	322	\|State\|Description
	323	\|Blinking/lights up red\|Communication with one or more BMS Logic devices is lost
	324	\|No blinking\|Communication with BMS Logic is stable
	325
30.1	326	=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
27.1	327
	328	\|State\|Description
	329	\|Lights up green\|The switch supplies voltage to the contactor winding
	330	\|Doesn’t light up\|The switch doesn’t supply voltage to the contactor winding
	331
30.1	332	=== DS11 – LED indicating the presence of power supply for contactors ===
27.1	333
	334	\|State\|Description
	335	\|Lights up green\|Power supply for contactor switches (9-32V) is present
	336	\|Doesn’t light up\|Power supply for contactor switches (9-32V) is not present
	337
30.1	338	== Connection procedure ==
27.1	339
	340	(% class="box warningmessage" %)
	341	(((
42.1	342	Before connection, configure the device (see [[Settings>>doc:Battery management systems.BMS Main 3.3\. Configuration.WebHome]]). Correct operation of the BMS system is only possible with correct configuration.
27.1	343	)))
	344
	345	All operations to connect the device must be carried out with the supply voltage removed.
	346
	347	* Connect the power contactors to header X2.
	348	* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
	349	* Connect BMS Logic devices to header X9.
	350	* Connect digital inputs and outputs (if necessary) to header X3.
	351	* Connect the high voltage bus (if necessary) to headers X11-X14.
	352	* Connect the high-voltage network integrity circuit (if necessary) to header X4.
	353	* Connect external devices (if necessary) to header X6.
	354	* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
40.1	355	* If the BMS Main 3 / BMS Main 3X is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
27.1	356	* Connect an external power supply to header X1. The device will start when there is a 9-32V power supply and one of the KEYRUN or CHARGE_ON signals with a voltage of more than 8.5V is supplied.

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