CP7721-1084-0020 Beckhoff
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The Beckhoff CP7721-1084-0020 is a Panel PC from the CP Panel PC Systems series featuring a 12 inch display with a resolution of 800 x 600. It includes an AMD LX800 processor at 500 MHz, 256 MB DDR RAM, and 128 MB CompactFlash storage. The aluminum-housed unit is fanless, has a numeric front keyboard, 10 PLC special keys with LEDs, and offers a protection rating of IP65.
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Product Description:
The CP7721-1084-0020 is a panel-mount industrial computer produced by Beckhoff within the CP Panel PC Systems series. Designed as an operator interface and decentralized control node, this unit integrates visualization, PLC logic, and machine interaction into a single 12-inch front end. Beckhoff positions the model for machinery, process lines, and building systems that need a compact HMI capable of running real-time software without an external PC. Its aluminum chassis supports direct mounting on cabinets while keeping external wiring minimal through internal communication and I/O options.
The computing core is an AMD LX800, 500 MHz processor, and its low-power design aligns with the system’s passive thermal strategy while still supplying deterministic cycle times for soft-PLC tasks. Working memory is 256 MB DDR RAM, which is enough to buffer real-time variables and graphical pages without swapping. Program code and archival data reside on a solid-state 128 MB CompactFlash, reducing shock sensitivity compared to rotating media. Operators access process information on a 12 in LCD that renders at 800 × 600 resolution, giving adequate pixel density for standard SCADA layouts and alarm dialogs. A numeric front keyboard and ten illuminated PLC keys are integrated for direct value entry and machine-level function calls.
Passive cooling keeps the enclosure fanless, eliminating moving parts and helping the front panel maintain an IP65 protection class against dust and water jets. The unit draws its logic and display power from a 24 V DC source, so it can connect directly to standard control cabinet supplies without an inverter. Network integration is provided by 2 × RJ45 interfaces that support 10/100 Mbit/s, enabling separate machine and plant-wide segments, and an additional RS-232 port remains available for legacy peripherals. The milled aluminum housing incorporates four M6 mounting points for rigid fastening, and the numeric keypad on the front supports direct local input in confined spaces.
