The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Recommended Stepper Motor Drivers

APS recommeded stepper motor drivers for typical 2-phase stepper motor applications.

These drivers input Step/Dir control signals, produced by a common controller such as the OMS MAXv.
Phytron

8 Channel APS-Compatible unit with ZMX+ modules:  SLS-8-ZMX+ 32-GT-V4-115-ANL

Note: The ZMX+ modules may be specified with or without "ServiceBus".  ServiceBus allows settings to be made beyond what is available via the front panel.

Phytron website
Advanced Control Systems

Step-Pak 8 Channel Modular Stepper Motor Driver System

ACS website