Electronic Circuits and Tutorials
Stepper Motor Tutorial

Multi Axis Control

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.

Multi Access Control Diagram

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

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