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Chapter 6 Programming Motion • 88 USER MANUAL
Figure 6.6 - Velocity Profile with Sinusoidal Acceleration
The DMC-13X8 can compute trigonometric functions. However, the argument must be expressed in
degrees. Using our example, the equation for X is written as:
X = 50T - 955 sin 3T
A complete program to generate the contour movement in this example is given below. To generate an
array, we compute the position value at intervals of 8 ms. This is stored at the array POS. Then, the
difference between the positions is computed and is stored in the array DIF. Finally the motors are run
in the contour mode.
Contour Mode Example
INSTRUCTION INTERPRETATION
#POINTS Program defines X points
DM POS[16] Allocate memory
DM DIF[15]
C=0 Set initial conditions, C is index
T=0 T is time in ms
#A
V1=50*T
V2=3*T Argument in degrees
V3=-955*@SIN[V2]+V1 Compute position
V4=@INT[V3] Integer value of V3
POS[C]=V4 Store in array POS
T=T+8
C=C+1
JP #A,C<16
#B Program to find position differences