The Model 6201 was a stand-alone, two-axis, microstepping indexer/drive. This integrated package included a 6200, two OEM650 Drives, and an OEM300 Power Module. The 6201 was programmed via RS-232C and controled two 6201 Series Motors. These motors were S Series Motor that were wired in parallel and cabled for compatibility with the 6201. OEM or other motors were not recommeded with the 6201. It could only run motors in the 0.5 to 10 mH inductance range.