Motion Coordinator Technical Reference Manual
Trio BASIC Commands 8-163
Axis Parameters
FEMIN
Type:
Axis Parameter
Syntax:
FEMIN=value
Description:
Following error limit at zero speed. The parameter is not currently used in the
motion generator program.
FHOLD_IN
Type:
Axis Parameter
Alternate Format:
FH_IN
Syntax:
FHOLD_IN=value
Description:
This parameter holds the input number to be used as a feedhold input. The input
can be in the range 0..31. If
FHOLD_IN
is set to -1 (default) then no input is used as
a feedhold. When the feedhold input is set motion on the specified axis has its
speed overridden to the Feedhold speed (
FHSPEED
) WITHOUT CANCELLING THE
MOVE IN PROGRESS. This speed is usually zero. When the input is reset any move in
progress when the input was set will go back to the programmed speed. Moves
which are not speed controlled E.G.
CONNECT
,
CAMBOX
,
MOVELINK
are not affected.
Note:
Feedhold, forward, reverse, datum and jog inputs are ACTIVE LOW.
FHSPEED
Type:
Axis Parameter
Syntax:
FHSPEED=value
Description:
When the feedhold input is set motion is usually ramped down to zero speed as the
feedhold speed is set to its default zero value. In some cases it may be desirable for
the axis to ramp to a known constant speed when the feedhold input is set. To do
this the
FHSPEED
parameter is set to a non zero value. The value is in user units/
sec.
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