Rockwell Automation 8720MC High Performance Drives Installation Manual - Manual (Page 46)

Publication 8720MC-IN001D-EN-P — December 2002
2-12 8720MC Connector Data
Default Digital Input Descriptions
Drive Enable - The drive enable input is used to inform the drive that
the regenerative power supply and the motion controller are ready for
the drive to follow the auto or jog reference command. When the
drive is enabled the drive will apply torque to the motor as directed
by the reference commands (with no internal drive shut down faults).
The drive will come to a regen stop when the enable is removed.
Drive Error Reset Request - If a drive shut down fault has occurred,
setting the Drive_Err_Reset bit is required in order to reset the fault.
The fault cannot be reset unless the drive is disabled and the fault
condition is removed. A transition from low to high is required to
reset a drive shut down error. Power cycling also resets the drive
error.
Parameter Set Select bit 0, 1 and 2 - Setting these 3 binary bits
determines which parameter set is in use and /or which motor
winding (high or low) is selected. The choices are:
000 = low 0, 001 = low 1, 010 = low 2, 011 = low 3
100 = high 0, 101 = high 1, 110 = high 2. 111 = high 3
When any or all of the 3 bits change and remain changed for a 50 ms
filter delay the new parameter set will be enabled.
Orient Request - When the Orient Request bit (parameter 152) is set,
an orient will be initiated as determined by Auto Home (parameter
582). In addition the orient parameters 153, orient angle, 154, orient
options, 222, orient speed, and 260, positioning acc/dec rate, will be
used to characterize the orient move. The orient will terminate when
the motor reaches the orient position and the orient complete status
bit is set. The drive is placed in positioning mode in order to execute
the orient. If holding torque is required after the orient position is
achieved, then the orient request must be maintained even if the
orient complete output is set. The drive will ignore the reference and
hold position until the orient request is removed. The orient can be
initiated when the motor is rotating or stationary.