PMA23V-10100-00 Pacific Scientific
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The Pacific Scientific PMA23V-10100-00 is part of the PMA Brushless Motors series and is a brushless servomotor with a closed keyway shaft and right-angle connector orientation. It offers a continuous stall torque of 2.0 Nm and a peak torque of 7.2 Nm. The motor features a resolver sensor type, a 70 mm motor body square, and weighs 2.9 kg.
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Product Description:
Pacific Scientific’s PMA23V-10100-00 is a brushless servo motor in the PMA Brushless Motors series. Within automated assembly stations and material-handling axes, this motor provides programmable rotary positioning that can be synchronized to a digital drive. Its brushless design supports electronic commutation for repeatable motion during frequent start-stop cycles. It features a closed keyway shaft with the key already fitted, simplifying coupler alignment during installation. The motor has a stack length of 3, which uses three lamination sections for the active magnetic length needed for continuous torque output.
The core output parameter is a continuous stall torque of 2.0 Nm, which the motor can sustain indefinitely when the windings are held at rated temperature. For transient moves, it delivers up to 7.2 Nm, so the drive can overcome static friction or accelerate loads without entering current foldback. Dynamic response is supported by a rotor inertia of 0.055 × 10⁻³ kg·m², giving a favorable ratio between torque and mass that helps keep servo loops stable. The square aluminum frame measures 70 mm on each side, making the unit interchangeable with other IEC-sized packages. Power is supplied through a 6PP six-pin connector positioned at a right-angle, allowing the cable to exit parallel to the mounting surface and conserve cabinet depth.
Because the motor is equipped with no brake, holding torque must be provided by the drive or an external mechanical lock when power is removed, which is common for axes that remain horizontally oriented. Position feedback is generated by a resolver, which supplies analog sine-cosine signals that remain functional over wide temperatures and high shock conditions. The motor has a mass of 2.9 kg, which helps keep the moving load low on the machine side. This arrangement supports steady rotor position tracking during speed and positioning tasks, and it suits compact axes where low moving mass is important.
