Galil DMC-1400 Manuale Utente

FUNCTION:  Linear Interpolation Mode 

DESCRIPTION: 

The LM command specifies the linear interpolation mode and specifies the axes for linear 

interpolation.  Only the DMC-1425 supports the linear interpolation mode.  LI commands 
are used to specify the travel distances for linear interpolation.  The LE command 
specifies the end of the linear interpolation sequence.  Several LI commands may be 
given as long as the controller sequence buffer has room for additional segments.  Once 
the LM command has been given, it does not need to be given again unless the VM 
command has been used. 

It should be noted that the controller computes the vector speed based on the axes specified in 

the LM mode.  For example, LM XY designates linear interpolation for the X and Y 

axes.  The speed of these axes will be computed from VS

2

=XS

2

+YS

2

, where XS and YS 

are the speed of the X and Y axes.   The controller always uses the axis specifications 
from LM, not LI, to compute the speed. 

ARGUMENTS:  LMxx   

where 

x is always X and Y for the DMC-1425 

x = ?    

Returns the number of spaces available in the sequence buffer for 

additional LI commands.   

While Moving 

Yes 

Default Value 

- 

In a Program 

Yes 

Default Format 

- 

Command Line 

Yes 

 

 

Controller Usage 

ALL 

_LMx contains the number of spaces available in the sequence buffer for the coordinate 

system. 

RELATED COMMANDS: 

Linear end 

Linear Distance 

Vector acceleration 

Vector Speed 

Vector deceleration 

_CS - Sequence counter 

EXAMPLES: 

LM XY 

Specify linear interpolation mode 

VS 10000; VA 100000;VD 1000000 

Specify vector speed, acceleration and deceleration 

LI 100,200 

Specify linear distance 

LI 200,300 

Specify linear distance 

LE; BGS 

Last vector, then begin motion