Axis Wizard/Axis Properties - Drive Tab Overview (AXIS_GENERIC_DRIVE)

Use this tab to configure the servo loop for an AXIS_GENERIC_DRIVE axis, and open the Custom Drive Scaling Attributes dialog box.

When a parameter transitions to a read-only state, any pending changes to parameter values are lost, and the parameter reverts to the most recently saved parameter value.

When multiple workstations connect to the same controller using the Logix Designer application and invoke the Axis Wizard or Axis Properties dialog, the firmware lets only the first workstation make any changes to axis attributes. The second workstation switches to a Read-Only mode, indicated in the title bar, so that you may view the changes from that workstation, but not edit them.

Select the configuration of the servo loop; in this case, only Position Servo is available.

Type in the number of counts per motor revolution. This value applies to all position data. Valid values range from 1...2^32 - 1. One Least Significant Bit (LSB) for position data equals 360° / RotationalPositionResolution.

Note that Drive Resolution is also referred to as Rotational Position Resolution.

When you save an edited Conversion Constant or a Drive Resolution value, a message box appears, asking you if you want the controller to automatically recalculate certain attribute settings. (Refer to Conversion Constant and Drive Resolution Attributes for a list of these attributes.)

Drive Resolution is especially helpful for either fractional unwind applications or multi-turn applications requiring cyclic compensation. You can modify the Drive Resolution value so that dividing it by the Unwind Value yields a whole integer value. The higher the Drive Resolution setting, the finer the resolution.

Choose the units you want to use for this drive. Choose from Motor Inch, Motor Millimeter, and Motor Rev (default).

Click this button to calculate Drive Resolution and Conversion Constant values, based on specific Position Unit Scaling and Position Range information.

Determines the number of drive resident registration (probe) inputs that are going to be used in the application. You can select up to two registration inputs per drive axis. This is currently limited by the SERCOS interface standard.