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214 ● VP DMC-1400 Series Command Reference
VP
FUNCTION: Vector Position
DESCRIPTION:
The VP command defines the target coordinates of a straight line segment in a 2 axis motion
sequence which have been selected by the VM command. The units are in quadrature
counts, and are a function of the vector scale factor set using the command VS.
ARGUMENTS: VP n,m < o > p where
n and m are signed integers in the range -2147483648 to 2147483647 The length of each
segment must be limited to 8 10
6
. The values for n and m will specify a coordinate
system from the beginning of the sequence.
o specifies a vector speed to be taken into effect at the execution of the vector segment. n is
an unsigned even integer between 0 and 12,000,000 for servo motor operation and
between 0 and 3,000,000 for stepper motors.
p specifies a vector speed to be achieved at the end of the vector segment. p is an unsigned
even integer between 0 and 8,000,000.
USAGE:
While Moving Yes Default Value -
In a Progra
m
Yes Default Format -
Command Line Yes
Controller Usage
ALL
OPERAND USAGE:
_VPx contains the absolute coordinate of the axes at the last intersection along the sequence.
For example, during the first motion segment, this instruction returns the coordinate at
the start of the sequence. The use as an operand is valid in the linear mode, LM, and in
the Vector mode, VM.
RELATED COMMANDS:
CR Circle
VM Vector Mode
VA Vector Acceleration
VD Vector Deceleration
VE Vector En
d
VS Vector Spee
d
BG Begin Sequence
VT Vector smoothing
EXAMPLES:
#A Program A
VM X,Y Specify motion plane
VP 1000,2000 Specify vector position X,Y
CR 1000,0,360 Specify arc
VE Vector en
d
VS 2000;VA 400000 Specify vector speed/vector acceleration
BGS;EN Begin motion sequence; End progra
m
Hint: The first vector in a coordinated motion sequence defines the origin for that sequence. All other
vectors in the sequence are defined by their endpoints with respect to the start of the move sequence.