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This instruction attaches the vector speed, n, to the motion segment LI. As a consequence, the
program #LMOVE can be written in the alternative form:
Instruction
#ALT
DP 0,0
LMXY
LI 4000,0 <4000
LI 1000,0 < 1000
LI 0,5000 < 4000
LE
BGS
EN
The command VR n allows the feedrate, VS, to be scaled between 0 and 10 with a resolution of .0001.
This command takes effect immediately and causes VS to be scaled. VR also applies when the vector
speed is specified with the '<' operator. This is a useful feature for feedrate override. VR does not
ratio the accelerations. For example, VR .5 results in the specification VS 2000 to be divided in half.
COMMAND
LM xyzw
LM abcdefgh
LM?
LI x,y,z,w < n
LI a,b,c,d,e,f,g,h <
n
VS n
VA n
VD n
VR n
BGS
CS
LE
LE?
AMS
AV n
VT
OPERAND
DMC-1000
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Interpretation
Label for alternative program
Define Position of X and Y axis to be 0
Define linear mode between X and Y axes.
Specify first linear segment with a vector speed of 4000
Specify second linear segment with a vector speed of 1000
Specify third linear segment with a vector speed of 4000
End linear segments
Begin motion sequence
Program end
Changing Feedrate:
Command Summary - Linear Interpolation
DESCRIPTION
Specify axes for linear interpolation
(same) controllers with 5 or more axes
Returns number of available spaces for linear segments in DMC-1000 sequence buffer.
Zero means buffer full. 512 means buffer empty.
Specify incremental distances relative to current position, and assign vector speed n.
Specify vector speed
Specify vector acceleration
Specify vector deceleration
Specify the vector speed ratio
Begin Linear Sequence
Clear sequence
Linear End- Required at end of LI command sequence
Returns the length of the vector (resets after 2147483647)
Trippoint for After Sequence complete
Trippoint for After Relative Vector distance,n
S curve smoothing constant for vector moves
Operand Summary - Linear Interpolation
DESCRIPTION
Chapter 6 Programming Motion • 51
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