Changes for page 2. Installation and connection

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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

...	...	@@ -3,11 +3,13 @@
3	3
4	4	== Safety rules ==
5	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.
	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	7
8		-Before use, **configure the system**. Proper operation of the BMS is possible only if it is correctly configured.
	8	+Before use, configure the system, see [[Configuration>>doc:Battery management systems.BMS Main 3.3\. Configuration.WebHome]]. Proper operation of the BMS is possible only if it is correctly configured.
9	9
10		-(% class="box errormessage" %)
	10	+It is not recommended to use the system in batteries formed by several series of cells connected in parallel. To increase capacity, it is recommended to connect several cells in parallel groups, and then connect the groups in series.
	11	+
	12	+(% class="box warningmessage" %)
11	11	(((
12	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	13	)))
...	...	@@ -14,29 +14,29 @@
14	14
15	15	(% class="box errormessage" %)
16	16	(((
17		-The system is not designed to operate with batteries whose total voltage exceeds 3000 V.
	19	+**The system is not designed to operate with batteries whose total voltage exceeds 3000 V.**
18	18	)))
19	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.
	24	+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" %)​
	28	+(% 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
	31	+|Overall dimensions (length × width × height), mm|200 × 123 × 12
	32	+|Mounting dimensions (length × width), mm|194 × 114
31	31	|Mounting holes|M3
32	32
33	33	== Headers ==
34	34
35		-The location and designation of connectors on the BMS Main 2R device are shown below.
	37	+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"]]
	41	+[[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 +45,366 @@
45	45	All headers are shown from the device side!
46	46	)))
47	47
48		-=== X1 – header for discrete inputs and outputs ===
	50	+=== X1 – header to power the device ===
49	49
50	50	Receptacle Housing: Hirose ZE05-8DS-HU/R. Terminals: Hirose ZE05-2022SCF
51	51
52	52	(% class="wikigeneratedid" id="H" %)
53		-[[image:1732198937514-731.png||data-xwiki-image-style-alignment="center" height="85" width="272"]]
	55	+(% 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)
	58	+|**1–2, 5–6**|**GND**|Ground
	59	+|**3**|**KEYRUN**|Power-on signal
	60	+|**4**|**CHARGE_ON**|Power-on signal (battery charge requirement)
	61	+|**7–8**|**VIN**|Power line (9-32V)
65	65
	63	+Power supply connection diagram:
66	66
	65	+(% 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 ===
	67	+=== X2 – header for contactors ===
69	69
70		-The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
	69	+Receptacle Housing: Hirose ZE05-12DS-HU/R. Terminals: Hirose ZE05-2022SCF
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(%%) ===
	71	+(% 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" %)​
73	73
74		-Receptacle Housing: Molex 39012020. Terminals: Molex 5556
	73	+|**Pin**|**Name**|**Description**
	74	+|**1–4, 8–9**|**GND**|Ground
	75	+|**5**|**CONT1_OUT**|Contactor control 1 (plus)
	76	+|**6**|**CONT2_OUT**|Contactor control 2 (plus)
	77	+|**7**|**CONT3_OUT**|Contactor control 3 (plus)
	78	+|**10**|**CONT4_OUT**|Contactor control 4 (plus)
	79	+|**11**|**CONT5_OUT**|Contactor control 5 (plus)
	80	+|**12**|**CONT6_OUT**|Contactor control 6 (plus)
75	75
76		-[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
	82	+ Contactor connection diagram:
77	77
	84	+(% 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"]]
	85	+
	86	+=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
	87	+
	88	+Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
	89	+
	90	+(% 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"]]
	91	+
78	78	|**Pin**|**Name**|**Description**
79		-|**1**|**GND**|Ground
80		-|**2**|**V+**|Supply voltage (9-32V)
	93	+|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
	94	+|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
	95	+|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
	96	+|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
	97	+|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
	98	+|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
	99	+|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
	100	+|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
	101	+|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
	102	+|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
	103	+|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
	104	+|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
	105	+|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
81	81
	107	+Connection diagram of a discrete input to a dry contact output:
82	82
	109	+(% 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 ===
	111	+(% 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
	113	+(% 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"]]
	115	+[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
89	89
	117	+=== X4 – header for HVIL ===
	118	+
	119	+Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
	120	+
	121	+[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
	122	+
90	90	|**Pin**|**Name**|**Description**
91		-|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92		-|**2**|**NO**|Normally open contact
	124	+|**1**|**-**|Not used
	125	+|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
	126	+|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
	127	+|**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
93	93
94		-Contactor connection example for all relays:
	129	+ 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"]]
	131	+Connection diagram to the current loop:
97	97
	133	+[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
98	98
99		-=== X8 – header for current sensor 1 ===
	135	+=== X5 – header for current and temperature sensors ===
100	100
101		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	137	+Receptacle Housing: Hirose ZE05-16DS-HU/R. Terminals: Hirose ZE05-2022SCF
102	102
103		-[[image:1732198890482-787.png||data-xwiki-image-style-alignment="center" height="77" width="71"]]
	139	+[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
104	104
	141	+(% style="width:539px" %)
	142	+|**Pin**|**Name**|(% style="width:402px" %)**Description**
	143	+|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
	144	+|**2–6**|**GND**|(% style="width:402px" %)Ground
	145	+|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
	146	+|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
	147	+|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
	148	+|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
	149	+|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
	150	+|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
	151	+|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
	152	+|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
	153	+|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
	154	+|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
	155	+
	156	+Current sensor connection diagram (using the example of LEM HASS 100-S):
	157	+
	158	+[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
	159	+
	160	+Current sensor connection diagram (using the example of LEM DHAB S/118):
	161	+
	162	+[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
	163	+
	164	+NTC-thermistor connection diagram:
	165	+
	166	+[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
	167	+
	168	+=== X6 – header for CAN1 and RS-485-1 (external buses) ===
	169	+
	170	+Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
	171	+
	172	+[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
	173	+
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
	175	+|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
	176	+|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
	177	+|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
	178	+|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
	179	+|**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(%%) ===
	181	+Connection diagram to the CAN1 bus:
112	112
113		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	183	+[[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"]]
	185	+Connection diagram to the RS-485-1 bus:
116	116
	187	+[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
	188	+
	189	+=== X7 – header for CAN2 (internal bus) ===
	190	+
	191	+Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
	192	+
	193	+[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
	194	+
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
	196	+|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
	197	+|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
	198	+|**3**|**GND**|Ground
	199	+|**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(%%) ===
	201	+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
	203	+[[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"]]
	205	+=== X8 – header for CAN3 ===
128	128
	207	+Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
	208	+
	209	+[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
	210	+
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
	212	+|**1**|**CAN3_H**|CAN3 line H
	213	+|**2**|**CAN3_L**|CAN3 line L
	214	+|**3**|**GND**|Ground
	215	+|**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(%%) ===
	217	+(% class="box infomessage" %)
	218	+(((
	219	+**Note:**
	220	+CAN3 operates differently depending on used firmware:
135	135
136		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	222	+* **BMS Main 3:** CAN3 bus is reserved;
	223	+* **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"]]
	225	+[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
	226	+)))
139	139
	228	+=== X9 – header for BMS Logic (RS-485-2) ===
	229	+
	230	+Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
	231	+
	232	+[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
	233	+
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
	235	+|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
	236	+|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
	237	+|**3**|**GND**|Ground
	238	+|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
145	145
146		-=== X12 – header for CAN2 interface ===
	240	+(% class="box infomessage" %)
	241	+(((
	242	+**Note:**
	243	+RS-485-2 operates differently depending on used firmware:
147	147
148		-Receptacle Housing: Molex 430250400. Terminals: Molex 43030
	245	+* **BMS Main 3X:** RS-485-2 bus is reserved;
	246	+* **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"]]
	248	+[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
	249	+)))
151	151
	251	+=== X10 – miniUSB connector ===
	252	+
	253	+The miniUSB connector is used to configure the parameters of the BMS Main 3 / BMS Main 3X device.
	254	+
	255	+=== X11 – header for high-voltage bus before contactors (plus) ===
	256	+
	257	+Receptacle Housing: Molex 436450200. Terminals: Molex 43030
	258	+
	259	+[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
	260	+
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
	262	+|**1**|**IN1+**|Plus of the high-voltage bus (before contactors)
	263	+|**2**|**IN1+**|Plus of the high-voltage bus (before contactors)
157	157
158		-=== X13 – header for CAN1 and RS-485 interfaces ===
	265	+(% class="box warningmessage" %)
	266	+(((
	267	+The connected voltage must not exceed 1000V.
	268	+)))
159	159
160		-Receptacle Housing: Molex 430250600. Terminals: Molex 43030
	270	+=== 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"]]
	272	+Receptacle Housing: Molex 436450200. Terminals: Molex 43030
163	163
	274	+[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
	275	+
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
	277	+|**1**|**IN1-**|Minus of the high-voltage bus (before contactors)
	278	+|**2**|**IN1-**|Minus of the high-voltage bus (before contactors)
171	171
172		-=== J1 – jumper for switching CAN2 bus terminal resistor ===
	280	+(% class="box warningmessage" %)
	281	+(((
	282	+The connected voltage must not exceed 1000V.
	283	+)))
173	173
	285	+=== 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:
	287	+Receptacle Housing: Molex 436450200. Terminals: Molex 43030
176	176
	289	+[[image:1733316780753-798.png||data-xwiki-image-style-alignment="center" height="60" width="91"]]
	290	+
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
	292	+|**1**|**IN2+**|Plus of the high-voltage bus (after contactors)
	293	+|**2**|**IN2+**|Plus of the high-voltage bus (after contactors)
180	180
181		-=== J2 – jumper for switching RS-485-1 bus terminal resistor ===
	295	+(% class="box warningmessage" %)
	296	+(((
	297	+The connected voltage must not exceed 1000V.
	298	+)))
182	182
	300	+=== X14 – header for high-voltage bus after contactors (minus) ===
	301	+
	302	+Receptacle Housing: Molex 436450200. Terminals: Molex 43030
	303	+
	304	+[[image:1733316843397-336.png||data-xwiki-image-style-alignment="center" height="53" width="79"]]
	305	+
	306	+|**Pin**|**Name**|**Description**
	307	+|**1**|**IN2-**|Minus of the high-voltage bus (after contactors)
	308	+|**2**|**IN2-**|Minus of the high-voltage bus (after contactors)
	309	+
	310	+(% class="box warningmessage" %)
	311	+(((
	312	+The connected voltage must not exceed 1000V.
	313	+)))
	314	+
	315	+=== J1 – jumper for switching RS-485-1 bus terminal resistor ===
	316	+
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:
	319	+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 ===
	325	+=== 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:
	328	+[[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
	334	+=== J3 – jumper for switching CAN2 bus terminal resistor ===
	335	+
	336	+
	337	+[[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:
	338	+
	339	+|**Pin**|**Name**|**Description**
	340	+|**1-2**|**120 Ohm**|The 120 Ohm terminal resistor of the CAN2 bus is connected
	341	+|**2-3**|**-**|The 120 Ohm terminal resistor of the CAN2 bus is disconnected
	342	+
	343	+=== J5, J6 – jumpers for emergency opening of contactors when removing discrete input signals DIN7, DIN8 ===
	344	+
	345	+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.
	346	+
200	200	== Indicators ==
201	201
202		-=== DS2 – operation indicator ===
	349	+=== 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
	352	+|**Lights up green**|Device power (+5V) is present
	353	+|**Doesn’t light up**|No device power
207	207
208		-=== DS3 – communication indicator ===
	355	+=== 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
	358	+|**Blinking green**|Executing the battery management program
	359	+|**No blinking**|Program execution error
213	213
214		-=== DS4 – error indicator ===
	361	+=== DS3 – LED indicating interaction with child devices ===
215	215
	363	+(% style="width:447px" %)
	364	+|**State**|(% style="width:166px" %)**Description (Main 3)**|(% style="width:168px" %)**Description (Main 3X)**
	365	+|**Blinking yellow**|(% style="width:166px" %)The device interacts with BMS Logic devices|(% style="width:168px" %)The device interacts with BMS Main 3 devices
	366	+|**No blinking**|(% style="width:166px" %)-|(% style="width:168px" %)-
	367	+
	368	+=== DS4 – LED indicating loss of connection with child devices ===
	369	+
	370	+(% style="width:601px" %)
	371	+|**State**|(% style="width:220px" %)**Description (Main 3)**|(% style="width:218px" %)**Description (Main 3X)**
	372	+|**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
	373	+|**No blinking**|(% style="width:220px" %)Communication with BMS Logic devices is stable|(% style="width:218px" %)Communication with BMS Main 3 devices is stable
	374	+
	375	+=== DS5-DS10 – LEDs indicating contactor switches 1-6 ===
	376	+
216	216	|**State**|**Description**
217		-|**Blinking red**|Errors in communication with BMS Logic
	378	+|**Lights up green**|The switch supplies voltage to the contactor winding
	379	+|**Doesn’t light up**|The switch doesn’t supply voltage to the contactor winding
218	218
219		-=== DS1.1-DS1.4 – relay 1-4 indicator ===
	381	+=== DS11 – LED indicating the presence of power supply for contactors ===
220	220
221	221	|**State**|**Description**
222		-|**Lights green**|Relay #1-#4 is closed
223		-|**Off**|Relay #1-#4 is opened
	384	+|**Lights up green**|Power supply for contactor switches (9-32V) is present
	385	+|**Doesn’t light up**|Power supply for contactor switches (9-32V) is not present
224	224
225	225	== Connection procedure ==
226	226
	389	+The BMS can connect to batteries with voltage levels dangerous to life and health. When working with high voltage batteries, follow electrical safety rules, use safety glasses, protective clothing, insulated tools and devices.
	390	+
	391	+(% class="box errormessage" %)
	392	+(((
	393	+**The system is not designed to operate with batteries with total voltage more than 3000V.**
	394	+)))
	395	+
	396	+(% class="box warningmessage" %)
	397	+(((
	398	+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.
	399	+)))
	400	+
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.
	403	+* Connect the power contactors to header X2.
	404	+* Connect one or more current sensors, as well as external temperature sensors (if necessary) to header X5.
	405	+* Connect BMS Logic devices to header X9.
	406	+* Connect digital inputs and outputs (if necessary) to header X3.
	407	+* Connect the high voltage bus (if necessary) to headers X11-X14.
	408	+* Connect the high-voltage network integrity circuit (if necessary) to header X4.
	409	+* Connect external devices (if necessary) to header X6.
	410	+* Connect other devices (BMS Indication, BMS Display, if necessary) to header X7.
	411	+* 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.
	412	+* 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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