Rockwell Automation GMLC Reference Manual - Manual (Page 715)

Publication GMLC-5.2 - November 1999
678 Using AxisLink
If the link is offline, AxisLink is disabled and then re-enabled—this is the
only way to clear the offline condition. As long as the link is not offline,
AxisLink data and I/O communication with other controllers is
temporarily stopped, the fault variables are cleared, and data and I/O
communication with other controllers restored.
To restart AxisLink I/O communication without disrupting any virtual
axes that could be operating, after an AxisLink General Fault has
occurred, the data parameter AxisLink_Nodes, parameter (D63)—which
stores the list of other controllers from which this controller is reading
outputs via AxisLink—is restored with a Control Settings block. There,
the working value of the AxisLink_Nodes data parameter is adjusted by
setting it to the value of the user variable AxisLink_Nodes_Addresses, as
shown on the following screen.