Rockwell Automation GMLC Reference Manual - Manual (Page 696)

Publication GMLC-5.2 - November 1999
Configuring Virtual Axes 659
AxisLink is not finally enabled until the diagram is downloaded to the
controller. To enable AxisLink immediately, do one of the following:
• Create a null diagram by connecting the Start block to the End block
then download the null diagram to the motion controller.
• Use a Control Setting function block, with Adjust selected, to enable
the AxisLink Data Bit.
Once AxisLink is enabled in all modules on the link, the AxisLink status
LED on the motion controllers and the AL LED on any ALECs should be
green. If any AxisLink LED on any module is red, reset that module using
the front panel
RESET button. If, after re-setting, any of the LEDs again
turns red, check your cabling and termination to ensure that all modules
are correctly connected and terminated (if necessary).
See Connecting AxisLink in the Installation and Hookup section of your
motion controller’s Installation and Setup manual. Also, see Connecting
AxisLink in the Installation & Hookup chapter of the ALEC Installation
and Setup manual (publication 4100-5.3) for information on connecting
and terminating AxisLink cables.
Note: Do not proceed until all AxisLink Status or AL LEDs, on all
AxisLink modules, are green.
Configuring Virtual Axes
Virtual axes must be configured in the GML Commander diagram for any
motion controllers linked to a physical or imaginary axis on another
motion controller or ALEC. Motion controllers whose axes are linked to
only other motion controllers do not need to have any virtual axes
defined. In addition, virtual axes need not be defined for controllers using
only AxisLink I/O.