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Allen Bradley 8520 CNC Controllers 8520-VOP

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

8520-VOP

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The 8520-VOP from Allen Bradley is an operator panel display terminal that features an 11.5-inch CRT monitor. Designed for specific compatibility with CNC systems 230, 260, 290, and 440, this terminal operates effectively within a frequency range of 15.75 kHz to 100 kHz, facilitating precise communication and control.

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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-VOP

ManufacturerAllen Bradley
Product TypeOperator Panel Display Terminal
Product Line8520 CNC Controllers
Part Number8520-VOP
Weight39.44 lbs (17.89 kg)
Display Size11.5 inches
Display TypeCRT Monitor
Minimum Operating Frequency15.75 kHz
Maximum Operating Frequency100 kHz
Machine CompatibilityCompatible with CNC Series 230, 260, 290, and 440 systems
Communication TypeRS-422 Input Video-Serial Differential Communications
Operator Input TypeIntegrated Keyboard
Minimum Operating Temperature0°C
Maximum Operating Temperature60°C
Minimum Storage Temperature-30°C
Maximum Storage Temperature70°C
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The Allen Bradley 8520-VOP is a dedicated operator panel display terminal suitable for various CNC machine systems, including models 230, 260, 290, and 440. This device is equipped with an 11.5-inch CRT monitor that provides clear visuals for operators. Operating frequencies range from a minimum of 15.75 kHz to a maximum of 100 kHz, allowing this terminal to effectively communicate with machinery.

Interaction is made straightforward with an integrated keyboard, enabling precise operator inputs to control the connected devices. This terminal maintains functionality in temperatures ranging from 0°C to 60°C, ensuring reliability in various environments. Furthermore, it demonstrates impressive storage capabilities, functioning well in conditions as cold as -30°C and as hot as 70°C.

Connecting to the machine systems is facilitated through RS-422 input video-serial differential communications, ensuring robust and reliable data transfer for operational efficiency. Overall, this operator panel is a critical component for managing CNC systems effectively, enabling smooth operation and oversight in machining processes.

Revision Part #Also known as
8520-VOP Ser A8520-VOP/A, Series A, Rev A
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