PMB31D-00114-01
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The PMB31D-00114-01 is a brushless servo motor with a NEMA Size 34 frame and flying lead connectors featuring AMP connectors. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it delivers a rated speed of 4,400 RPM and a peak torque of 4.56 Nm. The motor weighs 2.9 kg.
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Product Description:
PMB31D-00114-01 appears in Pacific Scientific’s top-reviewed PMB Brushless Servomotors product series and delivers smooth, maintenance-free operation. The device draws a nominal stall current at 240 VAC of 5.4 ARMS and defines normal operating current which aids in power system design. Motor’s mass of 2.9 kg (6.4 lbs.) balances torque output and manageable mass to facilitate mounting. Sensor based digital encoder with commutation ensures synchronized feedback and drive operation which improves overall motor control.
Its peak torque of 4.56 Nm (40.4 lb‑in) provides brief high-force output which handles heavy acceleration tasks. The AMP Mini Mate‑N‑Lock feedback connector guarantees robust sensor wiring for simplifying secure encoder linkage. A stack length multiple of “1” maintains standard motor length which streamlines mechanical integration. Encoder resolution of 2048 ppr shows precise motion tracking to improve positional accuracy. A rated speed of 4,400 RPM delivers responsive rotational capability that supports fast cycle throughput.
The line‑to‑line resistance feature of PMB31D-00114-01 with 1.9 Ω sets electrical load behavior helps in heating and drive configuration. Inductance line‑to‑line of 3.7 mH shapes current rise characteristics which contributes to smooth torque regulation. Continuous stall torque of 1.54 Nm (13.6 lb‑in) sustains long-duration holding force, supporting static load scenarios. The drive’s rated torque at 320 V DC bus of 1.40 Nm (12.4 lb‑in) matches expected application loading which ensures design consistency. Connector type using flying leads with AMP connectors supports flexible wiring to adapt to tight panel arrangements. NEMA motor size 34 adheres to global mounting standards and is suitable for retrofit compatibility. Rated winding current of 5.4 A indicates continuous current draw to assist in driver specification.
Frequently Asked Questions about PMB31D-00114-01:
Q: How does a line-to-line inductance of 3.7 mH support motor control in PMB31D-00114-01?
A: With 3.7 millihenries of inductance, the motor smooths current transitions during switching, which enhances stability and reduces the risk of oscillation in high-speed applications.
Q: How does the rated torque of 1.40 Nm at 320V DC Bus benefit performance in the PMB31D-00114-01?
A: At this voltage, the motor delivers consistent torque output across varied loads. It also enables stable motion control in high-efficiency servo drives and closed-loop systems.
Q: Why is a continuous stall torque of 1.54 Nm a critical rating for the PMB31D-00114-01?
A: This stall torque enables the variant to sustain static loads without rotation, which is essential for holding positions in robotic arms or vertical lifting tasks without needing extra brakes.
Q: What is the purpose of flying leads with AMP connectors in this model?
A: This motor’s flying leads with AMP connectors enable flexible routing and quick electrical hookups, streamlining installation in systems that require custom cable lengths or rapid field replacement.
Q: How does the NEMA Size 34 housing benefit the PMB31D-00114-01’s integration into existing setups?
A: Conforming to the NEMA Size 34 frame standard ensures compatibility with a wide range of mounting options and motion platforms, easing retrofitting or replacement in legacy machinery.
