PMB31D-10214-00

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The PMB31D-10214-00 brushless servomotor features NEMA Size 34 dimensions, an encoder resolution of 2048 ppr, and a typical rated torque of 0.50 Nm. Part of the PMB Brushless Servomotors series by Pacific Scientific, it incorporates flying leads with MS connectors and weighs 2.9 kg, making it a reliable choice.

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Product Description:

The PMB31D-10214-00 is a brushless servo motor and represents the PMB Brushless Servomotors product category by Pacific Scientific brand. It comes with flying leads and MS connectors, offering strong wiring support and consistent signal transmission. Identified as NEMA 34 as standard frame size, the product fits common industrial frame sizes and makes mechanical setup more straightforward. The encoder provides 2048 ppr resolution, allowing for precise positioning and sharper motion control.

Equipped with a digital encoder that includes commutation signals, the module delivers feedback for rotor orientation, thus leading to better control stability. Its stack length represented by “1” keeps the motor compact which helps with space enclosure planning. A nominal stall current of 5.4 ARMS at 240 VAC outlines the required steady-state current, aiding in compatible drive selection. The winding current rating of 5.4 A confirms continuous current handling. With 8 poles, the motor minimizes torque ripple and resultantly it is ideal for motion systems where vibration must be kept low. Its rated speed reaches 2350 RPM when powered by a 48 V DC bus to support moderate speed precision applications. Rated torque of 0.50 Nm (4.4 lb‑in) provides a consistent force suited for standard motion operations.

The PMB31D-10214-00 has a line-to-line resistance of 1.2 Ω, a key factor in estimating heat generation during operation. In addition, its phase-to-phase inductance is 1.1 mH and affects how current responds to voltage shifts which supports stable control. Weighing about 2.9 kg (6.4 lb), the component blends structural strength with easy handling, making installation simpler. A shaft diameter of 9.52 mm matches standard metric couplings along with motor mounts with four #10 screws, giving it strong support for demanding tasks. Cable length of 457 mm (18.0 in) offers flexibility for cabinet connections, making wire routing more convenient.

Connector Type
Flying leads with MS connectors
Encoder Resolution
2048 ppr
Inductance (line-to-line)
1.1 mH
Motor Size
NEMA Size 34
Mounting", "Cable Length
4 × #10 screws", "457 mm (18.0 in)
Nominal Stall Current @240vac Max
5.4 ARMS
Pole Count
8
Rated Speed
2350 RPM (48 V DC bus)
Resistance (line-to-line)
1.2 Ohm
Sensor Type
Digital Encoder with commutation
Shaft Diameter
9.52 mm
Stack Length Multiple
1
Typical Rated Torque
0.50 Nm (4.4 lb-in)
Weight
2.9 kg (6.4 lb)
Winding Current
5.4 A
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Frequently Asked Questions about PMB31D-10214-00:

Q: What type of connection does the PMB31D-10214-00 motor use for signal and power wiring?

A: This industrial motor utilizes flying leads with MS connectors, which allows direct and secure wiring for both signal and power lines.

Q: How does the NEMA Size 34 format affect the compatibility of the PMB31D-10214-00 motor?

A: With its NEMA Size 34 format, the PMB31D-10214-00 fits into standard mechanical systems without requiring custom mounting plates.

Q: How does the digital encoder with commutation in PMB31D-10214-00 support performance?

A: The digital encoder with commutation built into the PMB31D-10214-00 variant sends real-time feedback and rotor position data to the controller.

Q: Why is the encoder resolution of the PMB31D-10214-00 motor significant?

A: The module integrates an encoder with 2048 pulses per revolution, which allows for high-resolution feedback.

Q: What is the importance of a stack length multiple of 1 in this PMB model?

A: The stack length multiple of 1 ensures a compact magnetic structure, which helps keep the motor lightweight and space efficient.


Internal Product Review

  • ‘‘This PMB31D-10214-00 from Pacific Scientific is a top-rated module for desired results with Its eight‑pole design and 0.50 Nm torque output. This enables controlled performance in precision applications while MS‑connector wiring aids durable installation in rugged automation environments.’’

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