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Last modified by Admin on 2026/04/02 13:49
From version 87.3
edited by Admin
on 2026/03/25 16:41
Change comment: There is no comment for this version
To version 81.3
edited by Admin
on 2026/03/25 16:32
Change comment: There is no comment for this version

Summary

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... ... @@ -54,83 +54,207 @@
54 54  
55 55  |**Pin**|**Name**|**Description**
56 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)
57 +|**9**|**DO_1**|Discrete output 1 “open drain” (5V
58 +|**10**|**DO_2**|Discrete output 2 “open drain” (60 V, 1A)
59 +|**11**|**DO_3**|Discrete output 3 “open drain” (60 V, 1A)
60 +|**12**|**DO_4**|Discrete output 4 “open drain” (60 V, 1A)
61 +|**13**|**DI_4**|
62 +|**14**|**DI_3**|Power-on signal
63 +|**15**|**DI_2**|Power-on signal (battery charge requirement)
64 +|**16**|**DI_1**|Power line (9-32V)
65 65  
66 +Power supply connection diagram:
66 66  
68 +(% 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 ===
70 +=== X2 – header for contactors ===
69 69  
70 -The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
72 +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(%%) ===
74 +(% 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
76 +|**Pin**|**Name**|**Description**
77 +|**1–4, 8–9**|**GND**|Ground
78 +|**5**|**CONT1_OUT**|Contactor control 1 (plus)
79 +|**6**|**CONT2_OUT**|Contactor control 2 (plus)
80 +|**7**|**CONT3_OUT**|Contactor control 3 (plus)
81 +|**10**|**CONT4_OUT**|Contactor control 4 (plus)
82 +|**11**|**CONT5_OUT**|Contactor control 5 (plus)
83 +|**12**|**CONT6_OUT**|Contactor control 6 (plus)
75 75  
76 -[[image:1732198827034-560.png||data-xwiki-image-style-alignment="center" height="78" width="41"]]
85 + Contactor connection diagram:
77 77  
87 +(% 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"]]
88 +
89 +=== (% title="Click and drag to resize" %)​(%%)X3 – header for discrete inputs and outputs ===
90 +
91 +Receptacle Housing: Hirose ZE05-24DS-HU/R. Terminals: Hirose ZE05-2022SCF
92 +
93 +(% 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"]]
94 +
78 78  |**Pin**|**Name**|**Description**
79 -|**1**|**GND**|Ground
80 -|**2**|**V+**|Supply voltage (9-32V)
96 +|**1–8, 12, 16–17, 21**|**DIO_GND**|Ground of input and output signals
97 +|**9**|**DIN1_SIGNAL**|Discrete input 1 “dry contact”
98 +|**10**|**DIN2_SIGNAL**|Discrete input 2 “dry contact”
99 +|**11**|**DIN3_SIGNAL**|Discrete input 3 “dry contact”
100 +|**13**|**DIN4_SIGNAL**|Discrete input 4 “dry contact”
101 +|**14**|**DIN5_SIGNAL**|Discrete input 5 “dry contact”
102 +|**15**|**DIN6_SIGNAL**|Discrete input 6 “dry contact”
103 +|**18**|**DIN7_VIN**|Discrete input 7 (signal detection with voltage 9-32V)
104 +|**19**|**DIN8_VIN**|Discrete input 8 (signal detection with voltage 9-32V)
105 +|**20**|**DOUT1_OD**|Discrete output 1 “open drain” (60 V, 1A)
106 +|**22**|**DOUT2_OD**|Discrete output 2 “open drain” (60 V, 1A)
107 +|**23**|**DOUT3_OD**|Discrete output 3 “open drain” (60 V, 1A)
108 +|**24**|**DOUT4_OD**|Discrete output 4 “open drain” (60 V, 1A)
81 81  
110 +Connection diagram of a discrete input to a dry contact output:
82 82  
112 +(% 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 ===
114 +(% 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
116 +(% 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"]]
118 +[[image:1739361269041-663.png||data-xwiki-image-style-alignment="center" height="93" width="275"]]
89 89  
120 +=== X4 – header for HVIL ===
121 +
122 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
123 +
124 +[[image:1732122015188-642.png||data-xwiki-image-style-alignment="center" height="64" width="150"]]
125 +
90 90  |**Pin**|**Name**|**Description**
91 -|**1**|**V+**|Switching voltage (up to 55V, max 3A)
92 -|**2**|**NO**|Normally open contact
127 +|**1**|**-**|Not used
128 +|**2**|**HVIL_OUT**|Output of the current measurement circuit in the current loop (lower potential, measuring shunt output)
129 +|**3**|**HVIL_IN**|Input of the current measurement circuit in the current loop (higher potential, measuring shunt input)
130 +|**4**|**HVIL_PWR**|Current loop power supply (max 5V, 25mA)
93 93  
94 -Contactor connection example for all relays:
132 + If the BMS Main 2R device generates current in a current loop, the current loop must be connected to the **HVIL_PWR** and **HVIL_IN** pins. If BMS Main 2R 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"]]
134 +Connection diagram to the current loop:
97 97  
136 +[[image:1739361367866-742.png||data-xwiki-image-style-alignment="center" height="210" width="281"]]
98 98  
99 -=== X8 – header for current sensor 1 ===
138 +=== X5 – header for current and temperature sensors ===
100 100  
101 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
140 +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"]]
142 +[[image:1733311958053-469.png||data-xwiki-image-style-alignment="center" height="83" width="349"]]
104 104  
144 +(% style="width:539px" %)
145 +|**Pin**|**Name**|(% style="width:402px" %)**Description**
146 +|**1**|**CS1_5V**|(% style="width:402px" %)Current sensor 1 power line (5 V, max 50 mA)
147 +|**2–6**|**GND**|(% style="width:402px" %)Ground
148 +|**7**|**CS1_IN1**|(% style="width:402px" %)Current sensor 1 signal line (for a dual-range current sensor, High range output)
149 +|**8**|**CS1_REF_IN2**|(% style="width:402px" %)Current sensor 1 reference voltage signal line (for a dual-range current sensor, Low range output)
150 +|**9**|**CS2_5V**|(% style="width:402px" %)Current sensor 2 power line (5 V, max 50 mA)
151 +|**10**|**CS2_IN1**|(% style="width:402px" %)Current sensor 2 signal line (for a dual-range current sensor, High range output)
152 +|**11**|**CS2_REF_IN2**|(% style="width:402px" %)Current sensor 2 reference voltage signal line (for a dual-range current sensor, Low range output)
153 +|**12**|**CS3_5V**|(% style="width:402px" %)Current sensor 3 power line (5 V, max 50 mA)
154 +|**13**|**CS3_IN1**|(% style="width:402px" %)Current sensor 3 signal line (for a dual-range current sensor, High range output)
155 +|**14**|**CS3_REF_IN2**|(% style="width:402px" %)Current sensor 3 reference voltage signal line (for a dual-range current sensor, Low range output)
156 +|**15**|**TEMP1**|(% style="width:402px" %)Temperature sensor 1 signal line (NTC-thermistor 100 kOhm)
157 +|**16**|**TEMP2**|(% style="width:402px" %)Temperature sensor 2 signal line (NTC-thermistor 100 kOhm)
158 +
159 +Current sensor connection diagram (using the example of LEM HASS 100-S):
160 +
161 +[[image:1733316158040-285.png||data-xwiki-image-style-alignment="center" height="170" width="412"]]
162 +
163 +Current sensor connection diagram (using the example of LEM DHAB S/118):
164 +
165 +[[image:1733316170709-142.png||data-xwiki-image-style-alignment="center" height="171" width="413"]]
166 +
167 +NTC-thermistor connection diagram:
168 +
169 +[[image:1733316189878-329.png||data-xwiki-image-style-alignment="center" height="130" width="260"]]
170 +
171 +=== X6 – header for CAN1 and RS-485-1 (external buses) ===
172 +
173 +Receptacle Housing: Hirose ZE05-5S-HU/R. Terminals: Hirose ZE05-2022SCF
174 +
175 +[[image:1733316218666-814.png||data-xwiki-image-style-alignment="center" height="55" width="162"]]
176 +
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
178 +|**1**|**CAN1_H**|CAN1 line H for communication with external equipment
179 +|**2**|**CAN1_L**|CAN1 line L for communication with external equipment
180 +|**3**|**CAN1_RS485_1_GND**|Ground of CAN1 and RS-485-1
181 +|**4**|**RS485_1_A**|RS-485-1 line A for communication with external equipment
182 +|**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(%%) ===
184 +Connection diagram to the CAN1 bus:
112 112  
113 -Receptacle Housing: Molex 430250400. Terminals: Molex 43030
186 +[[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"]]
188 +Connection diagram to the RS-485-1 bus:
116 116  
190 +[[image:1733316483336-290.png||data-xwiki-image-style-alignment="center" height="152" width="417"]]
191 +
192 +=== X7 – header for CAN2 (internal bus) ===
193 +
194 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
195 +
196 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
197 +
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
199 +|**1**|**CAN2_H**|CAN2 line H for communication with other BMS devices
200 +|**2**|**CAN2_L**|CAN2 line L for communication with other BMS devices
201 +|**3**|**GND**|Ground
202 +|**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(%%) ===
204 +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
206 +[[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"]]
208 +=== X8 – header for CAN3 ===
128 128  
210 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
211 +
212 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
213 +
129 129  |**Pin**|**Name**|**Description**
130 -|**1, 2**|**GND**|Ground
131 -|**3**|**T_SENS1**|Ground
132 -|**4**|**T_SENS2**|Current sensor 2 output
215 +|**1**|**CAN3_H**|CAN3 line H
216 +|**2**|**CAN3_L**|CAN3 line L
217 +|**3**|**GND**|Ground
218 +|**4**|**CAN3_5V**|CAN3 power line (5 V, max 400 mA)
133 133  
220 +(% class="box infomessage" %)
221 +(((
222 +**Note:**
223 +CAN3 operates differently depending on used firmware:
224 +
225 +* **BMS Main 3:** CAN3 bus is reserved;
226 +* **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:
227 +
228 +[[image:1733316622613-181.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="153" width="417"]]
229 +)))
230 +
231 +=== X9 – header for BMS Logic (RS-485-2) ===
232 +
233 +Receptacle Housing: Hirose ZE05-4S-HU/R. Terminals: Hirose ZE05-2022SCF
234 +
235 +[[image:1733316517741-698.png||data-xwiki-image-style-alignment="center" height="59" width="144"]]
236 +
237 +|**Pin**|**Name**|**Description**
238 +|**1**|**LOGIC_B**|RS-485 line B for communication with BMS Logic
239 +|**2**|**LOGIC_A**|RS-485 line A for communication with BMS Logic
240 +|**3**|**GND**|Ground
241 +|**4**|**LOGIC_5V**|BMS Logic power line (+5V, max 400mA)
242 +
243 +(% class="box infomessage" %)
244 +(((
245 +**Note:**
246 +RS-485-2 operates differently depending on used firmware:
247 +
248 +* **BMS Main 3X:** RS-485-2 bus is reserved;
249 +* **BMS Main 3:** RS-485-2 bus is used to connect with BMS Logics in a battery pack. Connection diagram for BMS Logic devices:
250 +
251 +[[image:1733316674363-604.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="163" width="400"]]
252 +)))
253 +
254 +=== X10 – miniUSB connector ===
255 +
256 +The miniUSB connector is used to configure the parameters of the BMS Main 2R device.
257 +
134 134  === X11 – header for high-voltage bus before contactors (plus) ===
135 135  
136 136  Receptacle Housing: Molex 436450200. Terminals: Molex 43030
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