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Galil Motion Control - optcom (Page 219)

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Galil Motion Control - optcom
Optima DMC-1xxx and DMC-18x2 Command Reference
VR
i
208
VR
FUNCTION: Vector Speed Ratio
DESCRIPTION:
The VR sets a ratio to be used as a multiplier of the current vector speed. The vector speed
can be set by the command VS or the operators < and > used with CR, VP and LI
commands. VR takes effect immediately and will ratio all the following vector speed
commands. VR doesn't ratio acceleration or deceleration, but the change in speed is
accomplished by accelerating or decelerating at the rate specified by VA and VD.
ARGUMENTS: VR s,t
where
s and t are between 0 and 10 with a resolution of .0001. The value specified by s is the vector
ratio to apply to the S coordinate system and t is the value to apply to the T coordinate
system.
s = ?
Returns the value of the vector speed ratio for the S coordinate plane.
t = ?
Returns the value of the vector speed ratio for the T coordinate plane.
USAGE: DEFAULTS:
While Moving
Yes
Default Value
1
In a Program
Yes
Default Format
-
Command Line
Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_VRn contains the vector speed ratio of the specified coordinate system, S or T.
RELATED COMMANDS:
"VS "
Vector Speed
EXAMPLES:
#A
Vector Program
VMAB Vector
Mode
VP 1000,2000
Vector Position
CR 1000,0,360
Specify Arc
VE
End Sequence
VS 2000
Vector Speed
BGS Begin
Sequence
AMS After
Motion
JP#A Repeat
Move
#SPEED Speed
Override
VR@AN[1]*.1
Read analog input compute ratio
JP#SPEED Loop
XQ#A,0; XQ#SPEED,1
Execute task 0 and 1 simultaneously
Note: VR is useful for feedrate override, particularly when specifying the speed of individual segments
using the operator `<' and '>'.

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