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Many motion applications have
more than one motor to control. In such cases a multi-axis
control system is available. A PC Bus step motor controller
card for example, may have up to four indexers mounted on
it; each one connected to a separate driver and motor. In a
serial communication mode, up to 32 axis can be controlled
from a single communication port and/or I/O channel.
Some applications require a high
degree of synchronization, such as circular or linear
interpolation. Here, it may be necessary to coordinate the
movement with a central processor. AMS provides a variety of
single board or modular level controllers for these types of
operations.
In multi-axis
applications that do not require simultaneous motion, where
only one motor moves at a time, it is possible to
"multiplex" the step and direction pulse from one indexer to
multiple drivers. |
