80SD100XS.C04X-01 B & R Automation
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The 80SD100XS.C04X-01 is a stepper motor module from the 80SD Stepper Motor Modules series by B & R Automation. It has a nominal current of 10 Amps peak and supports a step resolution of 256 microsteps per full step. The module features an ABR single-ended 24 V encoder type and a brake voltage of 24 VDC.
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Product Description:
The 80SD100XS.C04X-01 stepper motor module is produced by B&R Automation for the 80SD Stepper Motor Modules series. It generates phase-current waveforms for two-phase hybrid motors, accepts digital position commands, and manages an integrated holding brake circuit. In industrial automation cells, the module drives indexing tables, pick-and-place axes, and small conveyor sections that require repeatable incremental movement under closed-loop supervision. Its control functions support applications that depend on precise starts, stops, and incremental motion across repeated operating cycles.
The integrated holding brake circuit operates from 24 VDC and draws up to 1 A to secure the shaft when phase excitation is removed. The power electronics switch current at a carrier frequency of 38.5 kHz, reducing audible noise and improving linearity. Continuous motor current is rated at 10 A peak, while bursts of up to 15 A peak for 2 seconds accommodate acceleration before thermal limits intervene. During power-up, the input may reach an inrush current of 10 A, while the logic requires only 0.5 W at idle. The encoder interface reads single-ended ABR signals at frequencies up to 50 kHz. It also provides a 24 V supply and can sink or source up to 40 mA, allowing common modular encoders to connect without adapters.
Motion granularity reaches 256 microsteps per full step, allowing fine positioning without mechanical reduction. Incoming step pulses are counted at frequencies up to 200 kHz and stored in a 16-bit counter, providing 65,536 distinct positions per cycle. Energy on the shared DC rail is stabilized by a 940 µF storage capacitor, which dampens regeneration spikes and helps maintain bus stability during rapid current changes. Backplane communication updates every 250 µs in accordance with the module’s X2X cycle time. PWM gating remains synchronized with the switching carrier to maintain deterministic torque production across multiple axes. This timing arrangement coordinates current regulation with incoming motion commands while limiting variations between commanded and delivered motor torque.
