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41 41  **Analog inputs** in this section:
42 42  
43 43  * No input;
44 -* Current sensor signal – main current sensor output;
45 -* Current sensor reference line – main current sensor zero level;
44 +* Current sensor;
45 +* Current zero level;
46 46  * Temperature sensor;
47 47  * Humidity sensor;
48 -* Current sensor signal (AUX) – additional (AUX) current sensor output;
49 -* Current sensor reference line (AUX) – additional (AUX) current sensor zero level;
50 -* Current sensor signal (2nd range) – second range output of main dual range sensor (used in "Dual range sensor" and "Separate dual range sensors" modes);
51 -* Current sensor signal (2nd range, AUX)
48 +* Current sensor (AUX) – additional current sensor for measuring current in a series of cells;
49 +* Current zero level (AUX) – zero level bus for additional current sensor.
52 52  
51 +**Assignment of analog inputs must be selected as follows**:
52 +
53 +* Analog Input #1 – Current sensor;
54 +* Analog Input #2 – No input / Current sensor reference line / Current sensor (2nd range) (see note);
55 +* Analog Input #3 – No input / Temperature sensor / Current sensor (AUX);
56 +* Analog Input #4 – No input / Humidity sensor / Current reference line (AUX) / Current sensor (2nd range) (AUX).
57 +
53 53  (% class="box warningmessage" %)
54 54  (((
55 -**Important**: the using of analog input #4 is possible hardware modification of the BMS Main 2.x board.
60 +**Important**: the connection of an additional current sensor (AUX) is possible for special hardware revision of the BMS Main 2.x board. Using an additional current sensor is possible in the configuration when BMS Main serves two galvanically isolated cell series (see [[Series balancing>>doc:Battery management systems.BMS Main 2\.1.3\. Configuration.3\.4 Battery parameters.WebHome||anchor="HSeriesbalancing"]]).
56 56  )))
57 57  
63 +(% class="box warningmessage" %)
64 +(((
65 +**Warning: **reassignment of analog inputs is **unacceptable.**
66 +)))
67 +
68 +(% class="box infomessage" %)
69 +(((
70 +**Note:** The default setting for Analog input #2 is "No signal". If it is necessary to use a current sensor with an additional zero level signal, set the "Current sensor reference line" assignment.
71 +)))
72 +
58 58  === Current sensor ===
59 59  
60 60  After selecting the assignment of the analog inputs, you need to configure the parameters of the sensors connected to the board.