8LSA57.DB030D100-3 B & R Automation
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The B & R Automation 8LSA57.DB030D100-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series with a standard configuration and a 142 mm flange. This model features an inductive EnDat encoder with a multi-turn capability of 4096 revolutions and a resolution of 19 bits single-turn or 12 bits multi-turn. It operates at a rated speed of 3000 rpm and uses a self-cooling free circulation principle.
Internal Product Review
The 8LSA57.DB030D100-3 is a B & R Automation three-phase synchronous motor with self-cooling through free circulation. Inductive EnDat feedback and multi-turn capability to 4096 revolutions support accurate positioning for demanding servo applications. A rated speed of 3000 rpm and a shaft with key make the unit a strong choice for precise, stable machine integration.
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Product Description:
The 8LSA57.DB030D100-3 is a three-phase synchronous motor produced by B&R Automation within the 8LS Synchronous Motors series. The model carries the internal 8LSA designation and length code 7, indicating its mechanical stack and housing size. Intended for servo axes on packaging lines, gantries, and general motion stations, it converts regulated electrical power into precise rotary movement for coordinated machine operation. Its synchronous design supports controlled torque and speed when the motor is paired with a compatible servo drive.
Thermal management relies on self-cooling with free air circulation, so the motor releases heat without external blowers or liquid cooling circuits. The mounting interface has a flange dimension of 142 mm, allowing direct coupling to compatible gearboxes or machine frames. Shaft speed reaches 3000 rpm, providing the velocity required for a range of automated motion tasks. Position feedback is supplied by an inductive EnDat encoder mounted on the rotor. Power and feedback leads exit through an angled swivel orientation, which provides flexibility when routing cables around nearby equipment. The configuration includes a standard bearing set without reinforcement. The motor does not include a holding brake, so external retention is required when gravity or another force could move a stationary load. A keyed shaft end provides positive engagement with the connected coupling, while the absence of an oil seal requires suitable protection at the mating machine element.
Electrical connections are made through a connector that follows the manufacturer’s power and signal pinout, providing a consistent interface for Product Revision 3 units. The encoder communicates through EnDat version 2.2, supporting high-speed serial transmission of position, temperature, and diagnostic data. Its single-turn and multi-turn counters have a resolution of 19/12 bits, enabling fine position measurement within each rotation and across multiple rotations. The encoder has a multi-turn capacity of 4096 revolutions, allowing the drive to retain an absolute position value across an extended movement range without battery-backed external counters. This feedback arrangement supports applications that require immediate position information after startup, including indexed conveyors, rotary tables, and coordinated handling axes.
