The X-Drive and Y-Drive
DSX™ System Service Manual 6-7
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6.2.2 Command Types
Commands for the X-Drive and Y-Drive fall into two general categories:
Motion commands cause the XY program to drive the X and/or Y motors and to read
their encoders to check that the correct position has been achieved. The home sensors,
one for each motor, are used to position each motor at its ‘home’ position before
setting its encoder to zero.
Data commands cause the XY program write and/or read the state of internal variables
such as the value of the home offsets, and external variables such as the value of the
encoders.
A data flow diagram is presented in Figure 6-5.
Figure 6-5 Data Flow Diagram
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