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Last modified by Admin on 2025/07/15 17:33
From version 5.1
edited by Admin
on 2024/11/13 16:51
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To version 11.2
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on 2024/11/13 17:00
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16 16  
17 17  [[image:1731516577472-301.png||data-xwiki-image-style-alignment="center" height="90" width="83"]]
18 18  
19 -|**1**|**RS485_A**|**RS-485 line A for communication with BMS Logic**
19 +|**Pin**|**Name**|**Description**
20 +|**1**|**RS485_A**|RS-485 line A for communication with BMS Logic
20 20  |**2**|**RS485_B**|RS-485 line B for communication with BMS Logic
21 21  |**3**|**+5V**|Supply voltage for BMS Logic
22 22  |**4**|**GND**|Ground
24 +
25 +== P12 – header for current sensor ==
26 +
27 +[[image:1731516685999-633.png||data-xwiki-image-style-alignment="center" height="98" width="90"]]
28 +
29 +|**Pin**|**Name**|**Description**
30 +|**1**|**+5V**|Supply voltage for the current sensor 5V, max 50 mA
31 +|**2**|**GND**|Ground
32 +|**3**|**Vcs**|ADC input (current sensor output)
33 +|**4**|**Vref**|ADC input (current sensor reference signal)
34 +
35 +== P13 – header for humidity sensor ==
36 +
37 +[[image:1731516942455-641.png||data-xwiki-image-style-alignment="center"]]
38 +
39 +|**Pin**|**Name**|**Description**
40 +|**1**|**+5V**|Supply voltage 5 V, max 50 mA
41 +|**2**|**GND**|Ground
42 +|**3**|**Vhs**|ADC input (humidity sensor output)
43 +|**4**|**Vts**|ADC input (temperature sensor output)
44 +
45 +P8 – header of relay 1
46 +
47 +[[image:1731517023208-641.png]]
48 +
49 +By default, relay 1 is used to control the discharging contactor.
50 +
51 +|**Pin**|**Name**|**Description**
52 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
53 +|**2**|**NO**|Normally open contact
54 +
55 +P9 – header of relay 2
56 +
57 +[[image:1731517025702-799.png]]
58 +
59 +By default, relay 2 is used to output the “Allow charging” signal.
60 +
61 +|**Pin**|**Name**|**Description**
62 +|**1**|**V+**|Switching voltage (up to 55V, max 2A)
63 +|**2**|**NO**|Normally open contact
64 +
65 +P6 – header of relay 3
66 +
67 +[[image:1731517025702-799.png]]
68 +
69 +By default, relay 3 is used to control the charging contactor.
70 +
71 +|**Pin**|**Name**|**Description**
72 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
73 +|**2**|**NO**|Normally open contact
74 +
75 +P7 – header of relay 4
76 +
77 +[[image:1731517025702-799.png]]
78 +
79 +By default, relay 4 is used to control the heater.
80 +
81 +|**Pin**|**Name**|**Description**
82 +|**1**|**V+**|Switching voltage (up to 55V, max 8A)
83 +|**2**|**NO**|Normally open contact
84 +
85 +P14 – header for CAN and RS-485 interfaces
86 +
87 +[[image:1731517180930-597.png]]
88 +
89 +|**Pin**|**Name**|**Description**
90 +|**1**|**EXT_RS485_A**|RS-485 line A for communication with external equipment
91 +|**2**|**CAN_H**|CAN H line for communication with external equipment
92 +|**3**|**+5V_CAN**|Supply voltage 5V for external devices, max 200 mA
93 +|**4**|**EXT_RS485_B**|RS-485 line B for communication with external equipment
94 +|**5**|**CAN_L**|CAN L line for communication with external equipment
95 +|**6**|**GND_CAN**|Ground
96 +
97 +P21 – CAN termination resistor jumper
98 +
99 +[[image:1731517188900-976.png]]
100 +
101 +To connect the termination resistor between the lines **CAN_H** and **CAN_L**, install a jumper, according to the P21 pinout:
102 +
103 +|**Pin**|**Name**|**Description**
104 +|**1-2**|**120 Ohm**|Termination resistor 120 Ohm is connected
105 +|**2-3**|**-**|Termination resistor 120 Ohm is not connected
106 +
107 +P22 - RS-485 termination resistor jumper
108 +
109 +[[image:1731517195672-298.png]]
110 +
111 +To connect the termination resistor between the **EXT_RS485_A** and **EXT_RS485_B** lines, install a jumper according to the P22 pinout:
112 +
113 +|**Pin**|**Name**|**Description**
114 +|**1-2**|**120 Ohm**|Terminating resistor 120 Ohm is connected
115 +|**2-3**|**-**|Terminating resistor 120 Ohm is not connected
116 +
117 +P11 – header for discrete inputs/outputs
118 +
119 +
120 +|**Pin**|**Name**|**Description**
121 +|**16**|**IN_1**|Discrete input #1 “dry contact” (+5V)
122 +|**8**|**GND_1**|Discrete input #1 “dry contact” (ground)
123 +|**15**|**IN_2**|Discrete input #2 “dry contact” (+5V)
124 +|**7**|**GND_2**|Discrete input #2 “dry contact” (ground)
125 +|**14**|**IN_3**|Discrete input #3 “dry contact” (+5V)
126 +|**6**|**GND_3**|Discrete input #3 “dry contact” (ground)
127 +|**13**|**IN_4**|Discrete input #4 “dry contact” (+5V)
128 +|**5**|**GND_4**|Discrete input #4 “dry contact” (ground)
129 +|**12**|**OUT_4**|Discrete output #4 (+5V, 20mA)
130 +|**4**|**GND_OUT_4**|Discrete output #4 (ground)
131 +|**11**|**OUT_3**|Discrete output #3 (+5V, 20mA)
132 +|**3**|**GND_OUT_3**|Discrete output #3 (ground)
133 +|**10**|**OUT_2**|Discrete output #2 (+5V, 20mA)
134 +|**2**|**GND_OUT_2**|Discrete output #2 (ground)
135 +|**9**|**OUT_1**|Discrete output #1 (+5V, 20mA)
136 +|**1**|**GND_OUT_1**|Discrete output #1 (ground)
137 +
138 +1.
139 +11.
140 +111. DS1 – power indicator
141 +
142 +|**State**|**Description**
143 +|**Lights red**|The device is powered
144 +|**Off**|The device is not powered
145 +
146 +1.
147 +11.
148 +111. DS2 – operation indicator
149 +
150 +|**State**|**Description**
151 +|**Blinking green**|The BMS firmware is running
152 +|**Off**|The BMS firmware is not running
153 +
154 +1.
155 +11.
156 +111. DS3 – communication indicator
157 +
158 +|**State**|**Description**
159 +|**Blinking yellow (2Hz)**|Initializing communication with BMS Logic boards
160 +|**Blinking yellow (25Hz)**|Communication with BMS Logic is established
161 +
162 +1.
163 +11.
164 +111. DS4 – error indicator
165 +
166 +|**State**|**Description**
167 +|**Blinking red**|Errors in communication with BMS Logic
168 +
169 +1.
170 +11.
171 +111. DS7 – relay 1 indicator
172 +
173 +|S**tate**|**Description**
174 +|**Lights green**|Relay #1 is closed
175 +|**Off**|Relay #1 is opened
176 +
177 +1.
178 +11.
179 +111. DS8 – relay 2 indicator
180 +
181 +|**State**|**Description**
182 +|**Lights green**|Relay #2 is closed
183 +|**Off**|Relay #2 is opened
184 +
185 +1.
186 +11.
187 +111. DS5 – relay 3 indicator
188 +
189 +|**State**|**Description**
190 +|**Lights green**|Relay #3 is closed
191 +|**Off**|Relay #3 is opened
192 +
193 +1.
194 +11.
195 +111. DS6 – relay 4 indicator
196 +
197 +|**State**|**Description**
198 +|**Lights green**|Relay #4 is closed
199 +|**Off**|Relay #4 is opened
200 +
201 +
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