Automation System
Microcomputer-based control sys-tems

will have more standard industrial application software available in the future.
None of these
All of these
will just keep their present capability
will tend to increase in cost.

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Automation System
Stepping motors:

can run both clockwise and counterclockwise
can run at varying speeds
can be built to index different amounts by changing the pole configuration
All of these
do not require commutators

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