To Next Page

To Previous Page

Rockwell Automation Publication MOTION-UM003K-EN-P - January 2019 267

Homing Chapter 12

Download same program with no hardware

changes

Event Machine Reference Retained

Change the name of an axis. Yes

Download the same program to the controller. Yes

Save As with another filename. Yes

Partial Export and then import an axis. Yes

Added application logic. Yes

Download a project of an existing axis. Yes

Download same program and no hardware

changes

Event Machine Reference Retained

Add an axis. No for the new axis.

Copy or cut and paste or drag/drop axis into the same project or another project. No for the new or pasted axis.

Export and then import into the same or another project.

Tip: Save the project as an .ACD file to recover the absolute position.

There are changes to the axis scaling attributes. No

Position feedback Event Machine Reference Retained

The position feedback device was disconnected or reconnected. Yes

Feedback device Event Machine Reference Retained

The position feedback device was disconnected or reconnected. Yes

The feedback device changed. No

The position feedback device was swap. No

The position feedback device failed. No

The position feedback polarity changed. No

The Feedback mode changed. No

When any of these conditions occur, the Axis Homed bit, if set, is cleared indicating that axis position is no longer referenced to the machine. To flag the condition that the Axis

Homed bit has been cleared and that the machine referenced absolute position has been lost, an APR Fault is generated. This fault is recoverable and can be cleared via any Fault

Reset or Shutdown Reset instruction.

Restore Event Machine Reference Retained

Restore from the memory card. Yes

Inhibit or Uninhibit Event Machine Reference Retained

Inhibit or uninhibit an axis. Yes

Inhibit or uninhibit an I/O module. Yes

Studio 5000 Logix Designer Application

project

Event Machine Reference Retained

Import or export the project download. No

Download the project download of new or copied axis. No

Table 59 - APR Recovery Scenarios