PMA22B-10100-00
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The Pacific Scientific PMA22B-10100-00 is a brushless servo motor from the PMA Brushless Motors series, featuring a compact 70mm motor body square and right-angle connector orientation. It delivers a peak torque of 4.7 Nm and a continuous stall torque of 1.3 Nm. The motor weighs 2.3 kg and operates at a rated speed of 6450 RPM.
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Product Description:
The PMA22B-10100-00 is an efficient 6 pole synchronous servomotor developed by Pacific Scientific that ensures precise motion control with a peak torque of 4.7 newton meters. It runs on 240 volts AC and requires 10.6 amperes current at peak load, suitable for industrial automation applications.
The PMA22B-10100-00 motor shaft has a standard operational rotational velocity of 4650 rpm and it lacks a brake which means when power is cut off, its shaft will not be actively held in place, which can lead to coasting unless external mechanical restraints are applied. This motor winding is of type B and its output shaft that conforms to the DIN42995 N industrial norm is engineered with a precision groove (keyway) that is closed and includes a matching key. It utilizes a hybrid connector system such as 6 power pins for energy transmission and 12 signal pins for control and feedback which allows both electrical power and communication lines to be managed in a compact interface. The module's stator's lamination stack is doubled compared to the smallest standard which results in greater torque producing capacity without enlarging the motor's width and it also employs a stator design that reduces or eliminates cogging torque which enhances smoothness and precision during low speed or fine positioning tasks.
This PMA22B-10100-00 motor monitors its internal heat level with a thermistor which allows external control systems to adjust operation or shut down to avoid thermal overload and its lower inertia of 0.038 × 10⁻³ kg·m²makes it well suited for applications demanding quick response times. It consumes 2.7 amperes RMS at stall condition and it has a square profile with 55 mm sides which allows it to be integrated into confined mechanical layouts while still delivering substantial performance.
Frequently Asked Questions about PMA22B-10100-00:
Q: What type of motion feedback does the PMA22B-10100-00 motor use and why is it beneficial?
A: It uses a resolver, which offers high reliability in noisy, high-temperature environments. This makes it ideal for industrial systems requiring durable, precise feedback under stress.
Q: Why is the closed keyway shaft on the PMA22B-10100-00 motor advantageous?
A: It ensures tight coupling between motor and load, reducing mechanical slippage. This results in better torque transfer and alignment in high-precision systems.
Q: How does the motor’s low rotor inertia affect system responsiveness?
A: Low inertia allows faster acceleration and deceleration. This benefits systems with frequent start-stop cycles or rapidly changing direction.
Q: What installation constraints come with the 55 mm square frame size?
A: The compact frame fits tight spaces, but mounting must ensure thermal dissipation. Clearance for cabling and airflow is also essential.
Q: Why does the motor have both power and signal pins in its connector?
A: This allows simultaneous delivery of electrical power and control signals through a single connection. It reduces wiring complexity and improves reliability.
