80SD100XD.C0XX-21 B & R Automation
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The B & R Automation 80SD100XD.C0XX-21 is part of the 80SD Stepper Motor Modules series and offers an IP20 rating. It provides a nominal current of 10 A peak and supports up to 256 microsteps per full step. The module includes two analog inputs, two digital inputs, and a maximum module current of 30 A peak.
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Product Description:
The 80SD100XD.C0XX-21 is a stepper-motor power stage produced by B&R Automation as part of the 80SD Stepper Motor Modules series. Designed for cabinet installation next to X20 CPUs, the module energizes hybrid stepper motors by shaping DC link energy into precise phase currents. Its role in an industrial line is to translate position setpoints from the machine control layer into incremental rotor movement, enabling accurate feed, index, or clamp motions without feedback devices. This open-loop operating method is useful in applications that need predictable step response and straightforward integration with machine control hardware.
Power to the module comes from a dedicated controller rail that must supply 24 VDC ±25%. An internal pre-charge circuit limits startup demand, although the board can still draw an inrush current of 10 A while the bus capacitors charge. During operation, the DC link is supported by a 940 µF reservoir capacitor that helps stabilize the chopped output stage. The driver can supply a nominal current of 10 A (peak) per phase and can withstand a maximum module current of 30 A (peak) during brief load surges. Thermal and switching losses result in controller dissipation of up to 6 W, so adequate cabinet ventilation is required during continuous operation.
Motion interface resources are located on the front panel, where two analog channels accept a control range of ±10 V. Two digital inputs can enable the step sequence or reset position data, and command data from the PLC is refreshed every 250 µs across the X2X backplane for deterministic profile updates. At the motor side, two motor connections support cable runs up to 25 m without signal degradation. Micro-positioning is achieved with a resolution of 256 microsteps per full step, synthesized at a carrier rate of 38.5 kHz. The housing has IP20 protection, and passive cooling is sufficient at the stated load.
Frequently Asked Questions about 80SD100XD.C0XX-21:
Q: What is the step resolution of the 80SD100XD.C0XX-21 stepper motor module?
A: The 80SD100XD.C0XX-21 module supports step resolutions of 256 microsteps per full step for precise motion control.
Q: What control supply voltage does the 80SD100XD.C0XX-21 require?
A: This model operates with a control supply voltage of 24 VDC, allowing a variation of ±25%.
Q: What is the maximum module current supported by the 80SD100XD.C0XX-21?
A: The 80SD100XD.C0XX-21 can deliver up to 30 A peak output current.
Q: How many analog inputs are available on the 80SD100XD.C0XX-21 and what signal range do they accept?
A: There are two analog input channels on this module, each accepting ±10 V signals.
Q: What is the IP rating of the 80SD100XD.C0XX-21 module?
A: This stepper motor module carries an IP20 rating, which means it is protected against solid objects greater than 12 mm but not water.
