PI MS249E - Page 189

8 GCS Commands
C-863.12 Mercury Controller MS249E Version: 1.2.1 183
RON (Set Reference Mode)
Description:
Selects the referencing method for the specified axes
Format:
RON {<AxisID> <ReferenceOn>}
Arguments:
<AxisID> is one axis of the controller.
<ReferenceOn> is the referencing method. Can be 0 or 1. 1
is default. See below for details.
Response:
None
Troubleshooting:
Illegal axis identifier
Notes:
<ReferenceOn> = 0: An absolute position value can be
assigned with POS (p. 181) or a reference move can be
started with FRF (p. 155), FNL (p. 153) or FPL (p. 154).
Relative motion with MVR is possible, even when
referencing has not been done for the axis.
<ReferenceOn> = 1: A reference move for the axis must be
started with FRF, FNL or FPL. Using POS is not allowed.
Motion in closed-loop operation is only possible when the
axis has been referenced.
For further information, see "Referencing" (p. 28) and
"Travel Range and Soft Limits" (p. 25).
RON? (Get Reference Mode)
Description:
Queries referencing method of specified axes.
Format:
RON? [{ <AxisID>}]
Arguments:
<AxisID> is one axis of the controller.
Response:
{<AxisID>"="<ReferenceOn> LF}
where
<ReferenceOn> is the currently selected referencing
method for the axis