PMB31D-10214-01
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The PMB31D-10214-01 is a NEMA Size 34 brushless servomotor with a peak torque of 6.2 Nm and a weight of 5.2 kg. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it operates at a rated speed of 5,000 rpm and uses flying leads with MS connectors. This motor features a 2048 ppr digital encoder and supports 240 V AC input.
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Product Description:
Pacific Scientific’s PMB31D-10214-01 is a latest member of PMB Brushless Servomotors family, ensuring a long operational life without brush wear. Offering a continuous rated current of 5.1 ARMS, the machine maintains steady torque over extended runtime. Its rotor inertia of 0.14 kg·cm² (1.21 oz‑in²) yields rapid acceleration response in order to enhance dynamic motion capability. Operating with a 320 V DC bus voltage, the motor delivers efficient energy conversion suitable for industrial controllers. Feedback options include resolver, Hall sensors and encoder combined, which guarantees layered positional accuracy and fault tolerance.
Usable in standard NEMA 34 frame size applications, the unit simplifies reengineered installations. Capability for 15.3 A RMS peak current allows brief high-power bursts to meet rapid transient load demands. Nominal stall current for this drive unit is 240 V AC of 5.4 A RMS provides safety margin for stall protection. Supplied with 240 V AC winding compatibility, the motor integrates widely into industrial power architecture. Utilizing an encoder resolution of 2048 ppr enhances motion precision dramatically. The PMB series label affirms standardization across models with simplifying spares management. A weight of 5.2 kg balances sturdy construction and manageable handling.
Winding designator “D” identifies internal coil configuration that aided maintenance documentation. Flying leads with MS connectors of PMB31D-10214-01 guarantees durable and serviceable wiring. The module’s maximum torque of 6.2 Nm (55.0 lb‑in) gives substantial burst force for demanding starts. Stack length multiple of “1” along with its rated speed of 5,000 RPM provides fast capability for responsive systems. Further, its three-phase configuration allows balanced electrical drive, thus reducing harmonic distortion. Also, the motor’s sustained stall torque of 2.1 Nm (18.7 lb‑in) enables continuous hold under load.
Frequently Asked Questions about PMB31D-10214-01:
Q: What does the continuous rated current indicate in the PMB31D-10214-01 motor?
A: The continuous rated current of 5.1 ARMS allows the unit to operate under load for extended periods without overheating, ensuring reliable torque delivery across prolonged industrial cycles.
Q: Why is rotor inertia significant in the PMB31D-10214-01 servo motor?
A: With a rotor inertia of 0.14 kg·cm², this servo motor achieves faster acceleration and deceleration profiles, making it suitable for systems requiring quick directional changes and minimal lag.
Q: What feedback options are built into the PMB31D-10214-01?
A: This brushless motor offers resolver, encoder and Hall sensor feedback types to improve system redundancy.
Q: How does the 320 V DC bus voltage benefit system integration?
A: The 320 V DC input enables compatibility with high-voltage industrial drives, allowing the drive to run efficiently in applications with rapid torque or speed demands.
Q: Why does using a NEMA Size 34 frame simplify motor’s design?
A: NEMA Size 34 dimensions standardize motor mounting and shaft alignment, reducing complexity integration. This makes quick replacement in systems following North American sizing norms.
