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DMC-1700/1800 Appendices • 237
The velocities along the X and Y axes are such that the direction of motion follows the specified path, yet the vector
velocity fits the vector speed and acceleration requirements.
For example, the velocities along the X and Y axes for the path shown in Fig. A.13 are given in Fig. A.15.
Fig. A.15a shows the vector velocity. It also indicates the position point along the path starting at A and ending at
D. Between the points A and B, the motion is along the Y axis. Therefore,
Vy = Vs
and
Vx = 0
Between the points B and C, the velocities vary gradually and finally, between the points C and D, the motion is in
the X direction.
A
B
D
(a)
(b)
(c)
time
C
Figure A.15 - Vector and Axes Velocities
DMC-1700/DMC-1000 Comparison
BENEFIT DMC-1700 DMC-1000
Higher Speed communication Frees
host
Two communication channels-FIFO and
DMA
Only one channel- FIFO
Instant access to parameters – real time
data processing & recording
DMA-Direct Memory Access No DMA channel
Easy to install – self-configuring Plug and Play No Plug and Play