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Allen Bradley 8520 CNC Controllers 8520-3APA1

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8520-3APA1

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The 8520-3APA1 from Allen Bradley is a processor module within the 8520 CNC Controllers series, designed for three-axis control. It operates efficiently at frequencies ranging from 50 to 60 Hertz and provides a sampling frequency of 500 Hertz, ensuring rapid data processing.

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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 8520-3APA1

ManufacturerAllen Bradley
Product TypeProcessor Module
Product Line8520 CNC Controllers
Part Number8520-3APA1
UPC662453266749
Weight2.00 lbs (0.91 kg)
Number of Axis3-axis
Sampling Frequency500 Hertz
Operating Frequency50 to 60 Hertz
Conversion Time8.25 milliseconds
Local SignallingLED status indicators
Maximum Output Current5 milliamperes
Output Voltage Range-10 Volts to +10 Volts
Electrical Connection TypeScrew terminals
Maximum Output Offset Voltage500 millivolts
Resolution Voltage1.22 millivolts
Maximum Gain Error±1 Least Significant Bit (LSB)
Maximum Number of Feedback Ports3 resolver feedback ports and 1 encoder feedback port
Number of Analog Outputs2 analog outputs
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The Allen Bradley 8520-3APA1 processor module is integral to the 8520 CNC Controllers series, serving as a key component for controlling up to three axes. It operates with a flexible range of input voltages from -10 to +10 volts and ensures a maximum output current of 5 milliamperes. Notably, it achieves a quick conversion time of 8.25 milliseconds, making it suitable for applications where speed is essential.

The module operates within an electrical connection framework utilizing screw terminals for reliable connectivity. Signal processing is enhanced by a maximum sampling frequency of 500 Hertz, allowing for real-time data handling. Local signaling is managed through LED status indicators, providing convenient at-a-glance operational feedback.

With a resolution voltage of 1.22 millivolts and a maximum gain error limited to ±1 Least Significant Bit (LSB), this processor module ensures high precision in controlling outputs. Additionally, it can support a maximum of three resolver feedback ports and one encoder feedback port, which is critical for detailed motion feedback and control. Furthermore, the 8520-3APA1 module features two analog outputs, which are pivotal for various applications requiring accurate and responsive signal delivery.

Revision Part #Also known as
8520-3APA1 Ser A8520-3APA1/A, Series A, Rev A
8520-3APA1 Ser B8520-3APA1/B, Series B, Rev B
8520-3APA1 Ser C8520-3APA1/C, Series C, Rev C
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