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    Where can I find basic programming information for ATV312 drive line?

    Issue:
    Where can I find basic programming information for ATV312 drive line?

    Product line:
    Altivar ATV312 or ATV31

    Environment:
    All models, all serial numbers

    Cause:
    Basic Programming for the ATV312 drive.
       
    Resolution:
    drC Menu
    Parameter setting  Description
    bFr   Standard Motor frequency  (50Hz or 60Hz depending on the motor and power system)
    UnS   Rated Motor Voltage  
    FrS   Rated Motor Frequency (usually matches bFr) 
    nCr   Rated Motor Current  (nameplate current for the motor at the voltage it's being used)
    nSP   Rated Motor Speed  (nameplate RPM for the motor at the frequency it's being used)
    tFr   Max Frequency  
    uFt   Motor control type (defaults to n; Sensorless Vector Control, some applications work better at L; Standard V/Hz)
           
    SET Menu
    ACC   Acceleration  
    dEC   Deceleration  
    LSP   Low Speed  
    HSP   High Speed  
    ItH   Motor Thermal  (set to the motor nameplate current for the voltage being used, provides Overload protection) ItH should = nCr
    uFr   Voltage boost  (usually can be left at default)
    CLI   Current limitation  (sets peak current allowed to go to the motor.  If set too low, can prevent the motor from reaching the commanded speed; display will flash off and on)
          
    IO Menu
    tCC    2/3 wire type  (default is 2C; 2 wire control)
    tCt   2 wire type  (default is trn; drive must see the transition (off to on) of the run command to start the motor.)  Some applications require this to be changed to LEL. Review the installation to be sure this is safe.
    rrS   Reverse assign (default is LI2)
    When in 2C (2 wire control), LI1 is the Run Forward input.
    When in 3C (3 wire control), LI1 is a Stop input, LI2 is Run Forward and LI3 is Run Reverse.

    CtL menu
    LAC= L1, L2 or L3 (default is L1, L2 and L3 enable advanced functions in the drive)
    Fr1= Sets where the speed reference comes from.  Default is AI1 (0-10VDC) Other options are AI2, AI3, A1U1, UPdt, UPdh, LCC, Ndb or nEt
    or
    Fr2= Sets where the secondary speed reference comes from.  Active only if Reference Switching (rFC is used)

    Examples
    AI1= speed pot  0-10vdc input
    AI2= -10 +10vdc  analog input
    AI3= 4-20mA analog input
    A1U1= Local speed knob on the face of the drive
    UPdt= +/- Speeds
    UPdh= +/- Speeds via the remove HMI
    LCC= Local mode
    ndb= Modbus reference
    nEt=  reference via network communications protocol.

    Refer to the ATV312 Programming Manual for additional information.

    https://www.schneider-electric.com/en/download/document/BBV46385/

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