Wiki source code of 2. Installation and connection

Version 89.6 by Admin on 2026/03/25 16:53

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
57.1	4	== Safety rules ==
	5
61.1	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.
57.1	7
59.1	8	Before use, configure the system. Proper operation of the BMS is possible only if it is correctly configured.
57.1	9
62.1	10	(% class="box errormessage" %)
56.2	11	(((
57.1	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.
56.2	13	)))
	14
	15	(% class="box errormessage" %)
	16	(((
62.1	17	The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
56.2	18	)))
	19
28.1	20	== Installation procedure ==
27.1	21
78.2	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.
27.1	23
	24	Overall and mounting dimensions are shown in figure below.
	25
81.2	26	[[image:1774349658793-888.0b.STEP.JPG\|\|data-xwiki-image-style-alignment="center" height="522" width="450"]](% title="Click and drag to resize" %)
27.1	27
	28	\|Parameter\|Value
81.2	29	\|Overall dimensions (length × width × height), mm\|120 × 120 × 16
	30	\|Mounting dimensions (length × width), mm\|114 × 114
27.1	31	\|Mounting holes\|M3
	32
30.1	33	== Headers ==
27.1	34
78.2	35	The location and designation of connectors on the BMS Main 2R device are shown below.
27.1	36
	37	(% contenteditable="false" tabindex="-1" %)
	38	(((
81.2	39	[[image:1774455018488-627.png\|\|data-xwiki-image-style-alignment="center"]]
27.1	40	)))
	41
	42	(% class="box warningmessage" %)
	43	(((
	44	Attention!
	45	All headers are shown from the device side!
	46	)))
	47
81.2	48	=== X1 – header for discrete inputs and outputs ===
27.1	49
55.3	50	Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
	51
27.1	52	(% class="wikigeneratedid" id="H" %)
81.2	53	[[image:1732198937514-731.png\|\|data-xwiki-image-style-alignment="center" height="85" width="272"]]
27.1	54
	55	\|Pin\|Name\|Description
81.2	56	\|1–8\|GND\|Ground
81.4	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)
81.5	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)
27.1	65
	66
	67
82.2	68	=== X2 – miniUSB connector ===
27.1	69
82.2	70	The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
55.3	71
82.2	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(%%) ===
	73
81.5	74	Receptacle Housing: Molex 39012020. Terminals: Molex 5556
27.1	75
82.2	76	[[image:1732198827034-560.png\|\|data-xwiki-image-style-alignment="center" height="78" width="41"]]
81.5	77
27.1	78	\|Pin\|Name\|Description
81.5	79	\|1\|GND\|Ground
82.2	80	\|2\|V+\|Supply voltage (9-32V)
27.1	81
	82
	83
83.2	84	=== X4, X5, X6, X7 – header of relay 1, 2, 3 and 4 ===
27.1	85
83.2	86	Receptacle Housing: Molex 39012020. Terminals: Molex 5556
55.3	87
86.2	88	[[image:1732198827034-560.png\|\|data-xwiki-image-style-alignment="center" height="78" width="41"]]
27.1	89
	90	\|Pin\|Name\|Description
83.2	91	\|1\|V+\|Switching voltage (up to 55V, max 3A)
	92	\|2\|NO\|Normally open contact
27.1	93
83.2	94	Contactor connection example for all relays:
27.1	95
86.2	96	[[image:1774456661980-866.png\|\|data-xwiki-image-style-alignment="center" height="211" width="282"]]
27.1	97
51.1	98
87.2	99	=== X8 – header for current sensor 1 ===
27.1	100
87.2	101	Receptacle Housing: Molex 430250400. Terminals: Molex 43030
55.3	102
87.2	103	[[image:1732198890482-787.png\|\|data-xwiki-image-style-alignment="center" height="77" width="71"]]
27.1	104
	105	\|Pin\|Name\|Description
87.2	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
27.1	110
87.3	111	=== X9 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for current sensor 2(%%) ===
27.1	112
87.3	113	Receptacle Housing: Molex 430250400. Terminals: Molex 43030
55.3	114
87.3	115	[[image:1732198890482-787.png\|\|data-xwiki-image-style-alignment="center" height="77" width="71"]]
27.1	116
	117	\|Pin\|Name\|Description
87.3	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
27.1	122
87.3	123	=== X10 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for temperature sensors(%%) ===
27.1	124
87.3	125	Receptacle Housing: Molex 430250400. Terminals: Molex 43030
27.1	126
87.3	127	[[image:1732198890482-787.png\|\|data-xwiki-image-style-alignment="center" height="77" width="71"]]
40.1	128
87.3	129	\|Pin\|Name\|Description
	130	\|1, 2\|GND\|Ground
88.2	131	\|3\|T_SENS1\|Temperature sensor 1 output
	132	\|4\|T_SENS2\|Temperature sensor 2 output
27.1	133
88.2	134	=== X11 – (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)header for BMS Logic(%%) ===
27.1	135
88.2	136	Receptacle Housing: Molex 430250400. Terminals: Molex 43030
55.3	137
88.2	138	[[image:1732198890482-787.png\|\|data-xwiki-image-style-alignment="center" height="77" width="71"]]
27.1	139
	140	\|Pin\|Name\|Description
88.3	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
88.2	143	\|3\|+5V\|Supply voltage for BMS Logic
	144	\|4\|GND\|Ground
27.1	145
89.4	146	=== X12 – header for internal CAN2 interface ===
27.1	147
88.3	148	Receptacle Housing: Molex 430250400. Terminals: Molex 43030
55.3	149
88.3	150	[[image:1732198890482-787.png\|\|data-xwiki-image-style-alignment="center" height="77" width="71"]]
27.1	151
	152	\|Pin\|Name\|Description
88.3	153	\|1\|CAN_INT_H\|RS-485 line A for communication with BMS Logic
89.2	154	\|2\|CAN_INT_L\|CAN L line for communication with external equipment
	155	\|3\|–\|–
88.3	156	\|4\|GND\|Ground
27.1	157
89.4	158	=== X13 – header for CAN1 and RS-485 interfaces ===
27.1	159
88.3	160	Receptacle Housing: Molex 430250600. Terminals: Molex 43030
27.1	161
89.2	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"]]
55.3	163
27.1	164	\|Pin\|Name\|Description
89.2	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
27.1	171
89.6	172	=== J1 – jumper for switching internal CAN bus terminal resistor ===
27.1	173
89.5	174
89.6	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:
89.5	176
	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
	180
	181	=== J2 – jumper for switching RS-485 bus terminal resistor ===
	182
27.1	183	[[image:1733316982359-759.png\|\|data-xwiki-image-style-alignment="center" height="77" width="148"]]
	184
89.6	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:
27.1	186
	187	\|Pin\|Name\|Description
	188	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the RS-485-1 bus is connected
	189	\|2-3\|-\|The 120 Ohm terminal resistor of the RS-485-1 bus is disconnected
	190
89.6	191	=== J3 – jumper for switching external CAN bus terminal resistor ===
27.1	192
	193
89.5	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:
27.1	195
	196	\|Pin\|Name\|Description
	197	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN1 bus is connected
	198	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN1 bus is disconnected
	199
30.1	200	=== J3 – jumper for switching CAN2 bus terminal resistor ===
27.1	201
	202
	203	[[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:
	204
	205	\|Pin\|Name\|Description
	206	\|1-2\|120 Ohm\|The 120 Ohm terminal resistor of the CAN2 bus is connected
	207	\|2-3\|-\|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
	208
30.1	209	=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
27.1	210
78.2	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.
27.1	212
30.1	213	== Indicators ==
27.1	214
30.1	215	=== DS1 – LED indicating device power ===
27.1	216
	217	\|State\|Description
	218	\|Lights up green\|Device power (+5V) is present
	219	\|Doesn’t light up\|No device power
	220
30.1	221	=== DS2 – LED indicating device work ===
27.1	222
	223	\|State\|Description
	224	\|Blinking green\|Executing the battery management program
	225	\|No blinking\|Program execution error
	226
54.2	227	=== DS3 – LED indicating interaction with child devices ===
27.1	228
54.2	229	(% style="width:447px" %)
	230	\|State\|(% style="width:166px" %)Description (Main 3)\|(% style="width:168px" %)Description (Main 3X)
	231	\|Blinking yellow\|(% style="width:166px" %)The device interacts with BMS Logic devices\|(% style="width:168px" %)The device interacts with BMS Main 3 devices
	232	\|No blinking\|(% style="width:166px" %)-\|(% style="width:168px" %)-
27.1	233
54.2	234	=== DS4 – LED indicating loss of connection with child devices ===
27.1	235
54.4	236	(% style="width:601px" %)
	237	\|State\|(% style="width:220px" %)Description (Main 3)\|(% style="width:218px" %)Description (Main 3X)
	238	\|Blinking/lights up red\|(% style="width:220px" %)Communication with one or more BMS Logic devices is lost\|(% style="width:218px" %)Communication with one or more BMS Main 3 devices is lost
	239	\|No blinking\|(% style="width:220px" %)Communication with BMS Logic devices is stable\|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
27.1	240
30.1	241	=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
27.1	242
	243	\|State\|Description
	244	\|Lights up green\|The switch supplies voltage to the contactor winding
	245	\|Doesn’t light up\|The switch doesn’t supply voltage to the contactor winding
	246
30.1	247	=== DS11 – LED indicating the presence of power supply for contactors ===
27.1	248
	249	\|State\|Description
	250	\|Lights up green\|Power supply for contactor switches (9-32V) is present
	251	\|Doesn’t light up\|Power supply for contactor switches (9-32V) is not present
	252
30.1	253	== Connection procedure ==
27.1	254
	255	All operations to connect the device must be carried out with the supply voltage removed.
	256
	257	* Connect the power contactors to header X2.
	258	* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
	259	* Connect BMS Logic devices to header X9.
	260	* Connect digital inputs and outputs (if necessary) to header X3.
	261	* Connect the high voltage bus (if necessary) to headers X11-X14.
	262	* Connect the high-voltage network integrity circuit (if necessary) to header X4.
	263	* Connect external devices (if necessary) to header X6.
	264	* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
78.2	265	* If the BMS Main 2R is the last device on the RS-485-1, CAN1, or CAN2 bus, install jumpers J1-J3.
27.1	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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