8LSA54.R2030D100-3
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The B & R Automation 8LSA54.R2030D100-3, part of the 8LS Synchronous Motors series, is a synchronous servo motor with a frame size of 8LSA54. It delivers a rated torque of 2.0 Nm and a rated speed of 3000 rpm while operating at 230 V. The motor features IP65 protection and utilizes a resolver for feedback.
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Product Description:
The 8LSA54.R2030D100-3 motor provides a nominal power output of 2419 W to enable demanding applications with stable torque and speed delivery during long operating hours. A keyed shaft of this motor provides a reliable mechanical connection for torque transfer to reduce slippage possibility in load-bearing couplings, and this motor is made by B & R Automation.
This8LSA54.R2030D100-3 motor has a nominal operating speed of 3000 rpm for stable rotary output generation, critical for synchronization in systems requiring close speed tolerances. This motor features a voltage constant of 98.44 V/1000 rpm, which directly impacts on generated back EMF and is essential for performance optimization in variable-speed drives. The torque constant of this motor is 1.63 Nm/A to provide high torque output with low current input, which leads to cost-effective energy utilization and reduced thermal stress. The stator resistance of this synchronous motor is 2.16 Ω, and the stator inductance of 21.52 mH influences its electrical characteristics, which affect voltage drops, current ripple, and power factor. The stall current of this synchronous motor has a rating of 5.5 A, which refers to its constant state current in locked rotor operation.
The 8LSA54.R2030D100 motor can withstand a maximum current of 20.9 A to produce high levels of torque output during dynamic load changes. With a resolver-type encoder, this motor offers accurate position and speed feedback, which is applicable in closed-loop control systems that demand positioning precision. The highest winding temperature of 155 °C, enabled by Class F insulation according to EN 60034-1, ensures this motor's reliability under tough thermal conditions. With an electrical time constant of 10.6 ms, the response under transient conditions is well balanced by the 8LSA54.R2030D100 to improve control stability during high-speed operation.
Frequently Asked Questions about 8LSA54.R2030D100-3:
Q: How does the keyed shaft improve mechanical performance?
A: The keyed shaft provides a fixed mechanical link to the load. It prevents slippage during high-torque transmission in continuous or start-stop operations.
Q: Why is a resolver encoder used in this motor?
A: The resolver delivers analog feedback that remains stable in harsh environments. It’s less affected by electrical noise, ensuring precise position control.
Q: What benefits does the 10.6 ms electrical time constant offer?
A: It ensures a predictable current response to voltage changes. This improves controller tuning and enhances system responsiveness.
Q: How does the stator inductance of 21.52 mH impact performance?
A: Higher inductance smoothens current flow and reduces electrical noise. It helps maintain consistent motor torque during fast switching cycles.
Q: Why is Class F insulation critical in 8LSA54.R2030D100-3?
A: Class F insulation allows operation up to 155 °C without degradation. It increases thermal endurance during continuous high-load conditions.
