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Allen Bradley 8520 CNC Controllers 8520-1APA1

Product image is representative; revision or series may vary. Contact us to request a specific version.

8520-1APA1

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The 8520-1APA1 is a precise processor module designed by Allen Bradley for use in CNC controllers. This unit supports a single axis, offering reliable control and feedback capabilities within specified limits.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 8520-1APA1

ManufacturerAllen Bradley
Product TypeProcessor Module
Product Line8520 CNC Controllers
Part Number8520-1APA1
Weight4.19 lbs (1.90 kg)
Number of Axis1-axis
Electrical Connection TypeScrew terminals
Local SignallingLED status indicators
Output Voltage Range-10 Volts to +10 Volts
Output Current Rating5 milliamperes (maximum)
Output Offset Voltage500 millivolts (maximum)
Operating Frequency50 to 60 Hertz
Conversion Time8.25 milliseconds
Resolution Voltage1.22 millivolts
Sampling Frequency500 Hertz
Gain Error±1 Least Significant Bit (maximum)
Connector Type19-pin female D-Sub connector
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The Allen Bradley 8520-1APA1 is engineered as a processor module utilized within CNC control systems. This module is adept at managing one axis, facilitating precise operations in various CNC applications. It connects through screw terminals, ensuring a robust electrical interface.

This unit can generate an output voltage varying from -10 volts to +10 volts while maintaining a maximum output current of 5 milliamperes. An offset voltage of 500 millivolts can be tolerated without compromising performance. Local status is communicated through LED indicators, providing clear visual feedback.

Operating within a frequency range of 50 to 60 hertz, the processor achieves a conversion time of 8.25 milliseconds, ensuring timely processing of signals. The module samples at a frequency of 500 hertz, allowing for effective updates of motion commands.

With a resolution of 1.22 millivolts, the device provides precise control. It also has a gain error of ±1 least significant bit at maximum, which helps maintain accurate output values. The unit is equipped with a 19-pin female D-Sub connector, standardizing connectivity within a given system.

Revision Part #Also known as
8520-1APA1 Ser A8520-1APA1/A, Series A, Rev A
8520-1APA1 Ser B8520-1APA1/B, Series B, Rev B
8520-1APA1 Ser C8520-1APA1/C, Series C, Rev C
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