PMB31D-00214-01 Pacific Scientific
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The Pacific Scientific PMB31D-00214-01 is a brushless servomotor in the PMB Brushless Servomotors series, featuring a NEMA Size 34 frame and a flat shaft design. This motor utilizes flying leads with MS connectors and is equipped with a digital encoder with commutation and a resolution of 2048 pulses per revolution. It has a nominal stall current of 5.4 ARMS at 240 volts AC and includes a shaft seal for added protection.
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Product Description:
The PMB31D-00214-01 is a brushless servomotor manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series. It is intended for mid-range motion axes in packaging machines, material-handling equipment, and indexing stations where the drive must convert commanded current into controlled rotary torque. Because the motor uses a brushless design, it avoids mechanical brush wear and reduces routine service associated with commutated motors. In closed-loop automation, the motor serves as the primary rotary actuator for speed control, point-to-point moves, and synchronized motion with other axes.
The motor uses a NEMA Size 34 frame, permitting direct attachment to standard face mounts and helping it fit common machine layouts built around that footprint. Its nominal stall current is 5.4 ARMS at 240 VAC, which indicates the current the winding can carry at zero speed and helps match the motor to an appropriate drive. Feedback resolution reaches 2048 ppr, and the digital encoder with commutation supplies both incremental position data and commutation signals so the inverter can establish rotor orientation immediately after startup. Power, feedback, and ground connections are brought out as flying leads with MS connectors, allowing secure mating while keeping cable routing flexible near the motor body.
An optional shaft seal can be fitted to limit fluid intrusion along the output journal in applications exposed to splash, dust, or light washdown conditions. The output uses a flat shaft, which works with clamping hubs and helps resist slip without the added machining of a keyed interface. The magnetic stack uses a multiple of 1, making this the shortest lamination length in the family and supporting lower rotor inertia for axes that benefit from quick acceleration and deceleration. Delivered as a brushless servomotor, the unit works with control systems that use digital commutation feedback and is suited to applications that need repeatable torque response over frequent start-stop cycles.
Frequently Asked Questions about PMB31D-00214-01:
Q: What connector type does the PMB31D-00214-01 servomotor use?
A: The PMB31D-00214-01 uses flying leads with MS connectors for its electrical connection.
Q: Does the PMB31D-00214-01 include a shaft seal customization?
A: This servomotor is equipped with a shaft seal for additional environmental protection.
Q: What is the encoder resolution of the PMB31D-00214-01 servomotor?
A: The digital encoder provides 2048 pulses per revolution on this model.
Q: What motor size is the PMB31D-00214-01 servomotor?
A: The PMB31D-00214-01 is built in a NEMA Size 34 frame.
Q: What is the nominal stall current at 240VAC max for the PMB31D-00214-01?
A: At 240VAC maximum, the nominal stall current is rated at 5.4 ARMS for this model.
