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Changes for page 3.2 Inputs and outputs

Last modified by Admin on 2025/06/18 15:33
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1 -Battery management systems.BMS Main 3.3\. Configuration.WebHome
1 +drafts.bms-main-3.3\. Configuration.WebHome
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2 -= Configuration =
1 +== ​​​​​​3.2.1 Discrete inputs ==
3 3  
4 -(% 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;" %)
5 -== Inputs and outputs ==
6 -
7 -=== ​​​​​​Discrete inputs ===
8 -
9 9  The BMS Main 3 device has 6 discrete inputs that detect signal line closing to the virtual ground, and 2 inputs that detect 9-32V input voltage. For each discrete input, its assignment and inversion flag are set.
10 10  
11 11  Also, BMS has two additional configurable inputs named “KEYRUN” and “CHARGE_ON”, each serves 9-32V input voltage. Those inputs serve as power buttons with additional functions that can be set.
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12 12  
13 13  Assignments of discrete inputs are configured in the "Signals → Input discrete signals → Assignments" section:
14 14  
15 -[[image:1735053944168-184.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="177" width="600"]]
9 +[[image:1733320685766-185.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="226" width="800"]]
16 16  
17 17  The device supports the following assignments for discrete inputs:
18 18  
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35 35  * Fuse 1, Fuse 2, Fuse 3 – signals from fuses;
36 36  * Circuit breaker status – status of protection disconnector;
37 37  * Balancing request – a request to balance the cells;
38 -* Close Main contactor – a request to close the main contactor;
39 -* Close External 1 – a request to close the first external contactor.
32 +* Close Main contactor – a request to close the main contactor.
40 40  
41 41  Inversion flags for discrete inputs are configured in the "Signals → Input discrete signals → Inversion" section:
42 42  
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56 56  * Set “Discharge request” – power on device and set “Discharge request” signal immediately;
57 57  * Set “Charge request” – power on device and set “Charge request” signal immediately.
58 58  
59 -=== Current sensor ===
52 +== 3.2.2 Current sensor ==
60 60  
61 61  The BMS Main 3 device has an ability to measure battery current by 3 external Hall-Effect current sensors.
62 62  
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87 87  * Calibration time – calibration time of the current sensor, millisecond;
88 88  * Recalibrate current sensor – a command to calibrate the current sensor manually.
89 89  
90 -=== Shunt sensor (CAN bus) ===
83 +== 3.2.3 Shunt sensor (CAN bus) ==
91 91  
92 92  The BMS Main 3 device has an ability to measure battery current via a shunt sensor, connected to the CAN bus.
93 93  
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109 109  * Mean value threshold – T,,M,, level, A (if module of instantaneous current (I,,I,,) which is received from the shunt sensor is between T,,M,, and T,,0,,, the BMS will use mean value of current I,,M,,; if I,,I,, is greater than T,,M,,, the BMS will use instantaneous value of current I,,I,,);
110 110  * Zero threshold – T,,0,, level, A (if module of instantaneous current (I,,I,,) which is received from the shunt sensor is lower than T,,0,,, the BMS will assume that current flowing through the battery is zero);
111 111  
112 -=== Temperature sensors ===
105 +=== 3.2.4 Temperature sensors ===
113 113  
114 114  Temperature sensors settings are configured in the "Signals → Temperature sensors" section:
115 115  
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119 119  
120 120  * Type – a type of temperature sensors.
121 121  
122 -=== Output discrete signals ===
115 +=== 3.2.5 Output discrete signals ===
123 123  
124 124  The BMS Main 3 device has 4 open drain type outputs. For each discrete output, its assignment and inversion flag are set.
125 125  
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155 155  
156 156  [[image:1733320685780-193.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="127" width="800"]]
157 157  
158 -=== Power switches ===
151 +=== 3.2.6 Power switches ===
159 159  
160 160  The BMS Main 3 device has 6 power switches to drive contactors. For each switch, its assignment and inversion flag are set.
161 161  
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