Stepper Motor Controller for CompactPCI


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Stepper Motor Controller for CompactPCI – CPCI321

The CPCI321 Intelligent Stepper Motor Controller with amplifiers is an ideal solution for all applications where stepper motors must be controlled with a maximum of flexibility and a minimum of overhead.

This CompactPCI card is availabe in a 3U and a 6U form factor.


Controls two 2-phase or one 4-phase motor(s)
Firmware compatible with CPCI322 intelligent stepper motor controller for external amplifiers
Interrupts on position breakpoint, trajectory complete and command complete
Each phase delivers 3A@55V and is over-current and thermal protected
Programmable hold-current reduction
User configurable maximum current
Brake support
Full-, half- and micro-stepping (up to 16 micro-steps per full step)
Two home sensor inputs
Step-rates up to 50kHz with programmable acceleration from 50Hz/sec to 5,000kHz/sec
Hardware synchronization lines


CPCI321 datasheet – product datasheet