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Pacific PMA Series Brushless Servomotors Unmatched Ruggedness and Cost Effectiveness in a Comprehensive Family of Brushless Servomotors You can download our latest catalog which includes our new PMA1 series Servo Motor by clicking Here Pacific Scientific's new wide voltage range (from 240 to 480V ac) PMA Series is the industry's most rugged, comprehensive line of reliable, customizable and cost-effective brushless servomotors. Rugged construction earns IP67 rating (on selected models) and enhances your equipment reliability. CE compliance and medium-voltage capability open the door to a world-wide range of applications making the PMA Series the ultimate cost-effective choice for your motion control needs. This line extends Pacific Scientific's commitment to offering you the highest performance products, backed by unmatched customer support and quality, with an ability to offer custom products to fit your unique applications. Numbering System-Global Motor Range To construct a motor model number code, select the combination of features required and put all of the coded information in the proper sequence. Please account for an entry in each field. The model number shown is an example of a properly specified motor. The PMA1 Series Brushless Servo Motors Pacific Scientific's PMA Series is industry's most rugged, comprehensive line of cost-effective brushless servomotors available. Now, with the addition of the new PMA1 series motors, the family gets bigger - and smaller. These compact motors feature a 55 mm square frame, in three stack lengths. A continuous rated torque range from 0.21 to 0.6 Nm, optional sealing to IP67, CE compliance and the capability of integral parking brake give these motors the flexibility to meet your application. This motor family extends Pacific Scientific's commitment to offering you the highest performance, backed by unmatched quality and customer support, tailored to your applications. In designing the PMA1 Series, Pacific Scientific engineers analyzed real-world motion control applications and tailored the windings for maximum efficiency using matched PC832, SC902 and SCE902 drives. The combination of Pacific Scientific motors and drives results in higher performance and efficiency, delivering more usable torque in your application. Part Number Configurator - PMA1 Series To construct a motor model number code, select the combination of features required and put all of the coded information in the proper sequence. Please account for an entry in each field. The model number shown is an example of a properly specified motor. Dimensions In the table below, we show the performance data for the recommended combinations of PMA1 motors and PC832, SC902 or SCE902 drives. In addition to continuous stall current (ICS), inertia (J) and line-line inductance (L), each system has ratings provided that enable you to construct a reference chart to compare and size systems. The ratings required to construct the chart are: - Peak Stall Torque (TPS) - Peak Rated Torque (TPR) - Continuous Stall Torque (TCS) - Continuous Rated Torque (TCR) - Rated Speed (WR) - Unloaded Motor Speed (WNL) To construct a chart, plot the points as shown in the example. Note that the chart provides continuous and intermittent duty zones. Systems can be operated continually at torque/speed combinations anywhere in the continuous duty area, assuming the ambient temperature is less than 40°C. Operation in the intermittent duty zone must be limited to a duty cycle, which will produce an RMS system torque falling within the continuous duty area. The RMS torque value is defined by the magnitude of the intermittent torque and the percentage of time spent at that torque. PMA Series Servo Motor Product Information This .pdf file contains and overview of our PMA servo motor family. Motor performance data, part numbering system explanations and outline drawing information are include in this document. To view the .pdf file click on the link below. You may also download the file by right clicking on the link below and selecting save from the pop-up menu.