ABB DFI01 DFI 01 DC output module

This mode configures the PC830 to follow external encoder signals applied to the encoder inputs on J2-17 to J2-20. Predefined moves are also available in this mode. Procedure 1. Select Position Mode - Electronic Gearing from the Mode of Operation dropdown list box. 2. Enter the number of motor resolver counts (PulsesOut) (1/65536 of a rev) that you want the motor to move for the specified number of input encoder quadrature counts (PulsesIn).

If the input encoder line count 

(PulsesIn) is 1024 (4096 quadrature counts per encoder revolution) and the motor should make one revolution for every encoder revolution, then: 1 rev = 65,536 resolver counts per 1 rev = 4096 encoder counts. Because 65,536 is greater than the maximum value for PulsesOut, divide both numbers by four. This results in 16,384 motor resolver counts for 1024 input encoder counts.

Velocity Mode - Analog Command 

This mode allows the differential analog voltage between terminals J2-1 and J2-2 to set the motor’s shaft velocity. The output shaft velocity per input volt, is set by the CmdGain parameter in kRPM/V and should be set by the user to the desired value. Procedure 1. Select Velocity Mode - Analog Command from the Mode of Operation dropdown list box. 2. Set CmdGain to the desired value. Motor Velocity[kRPM] = AnalogIn[V]*CmdGain[kRPM/V]

                                                                        

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