DMC-40x0 Command Reference TN • 237
TN
FUNCTION: Tangent
DESCRIPTION:
The TN m,n command describes the tangent axis to the coordinated motion path. m is the scale
factor in counts/degree of the tangent axis. n is the absolute position of the tangent axis where
the tangent axis is aligned with zero degrees in the coordinated motion plane. The tangent
axis is specified with the VM n,m,p command where p is the tangent axis. The tangent
function is useful for cutting applications where a cutting tool must remain tangent to the part.
ARGUMENTS: TN m,n where
m is the scale factor in counts/degree, in the range between -127 and 127 with a fractional
resolution of 0.004
m = ? Returns the first position value for the tangent axis.
When operating with stepper motors, m is the scale factor in steps / degree
n is the absolute position at which the tangent angle is zero, in the range between -8388608to
8388607.
USAGE: DEFAULTS:
While Moving Yes Default Value -
In a Program Yes Default Format PF
Command Line Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_TN contains the first position value for the tangent axis. This allows the user to correctly
position the tangent axis before the motion begins.
RELATED COMMANDS:
VM Vector mode
CR Circle Command
EXAMPLES:
VM A,B,C Specify coordinated mode for A and B-axis; C-axis is
tangent to the motion path
TN 100,50 Specify scale factor as 100 counts/degree and 50 counts
at which tangent angle is zero
VP 1000,2000 Specify vector position A,B
VE End Vector
BGS Begin coordinated motion with tangent axis
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