The CRK Series five-phase stepping motors and drivers/controllers from Oriental Motor USA Corp. (Torrance, CA) have a built-in RS-485 controller package that controls up to 16 axes of motion. Five network communications rates of up to 115,000 bps can be selected. The controller can be operated in either direct command mode, standalone mode, or by selecting stored programs to run via I/O.
The motors provide step resolutions up to 0.00288 degrees per step with step accuracy of 3 arc-minutes. High resolution models provide step resolutions to 0.00144 degrees per step and step accuracy of 2 arc minutes. The driver/controllers accept 24Vdc inputs with motor frame sizes of 0.79, 1.10, 1.65, and 2.36 in. square. Output torque ranges from 3.2 oz-in. to 35 lb-in. The driver measures 1.37 W x 2.75 L x 3.97 H (in.).
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