Description
Designed to function as a compact machine-mounted operator interface, the Beckhoff CP7702-0021-0050 integrates a high-resolution 15-inch display with an industrial-grade motherboard powered by the Intel Atom x5 processor series. Engineered for mounting arm installation, this robust Panel PC features a fully sealed aluminum housing that provides comprehensive dust and moisture protection. Dual integrated Gigabit Ethernet ports, paired with dedicated RS232 serial communication options, ensure high-speed fieldbus connectivity and flawless interface alignment within TwinCAT-controlled topologies.
Key Features
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Industrial Display Panel: 15-inch active display featuring a crisp 1024 x 768 resolution optimized for HMI visualization.
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Robust Environmental Protection: IP65-rated aluminum housing, engineered to resist harsh workshop environments and fluid splashes.
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Efficient Processing Architecture: Supports energy-efficient Intel Atom x5-E39xx multi-core processors, optimized for low thermal dissipation.
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High-Speed Communication: Dual independent 10/100/1000BASE-T RJ45 Ethernet ports to separate control network traffic from enterprise networks.
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Versatile Mounting Interface: Integrated rear mounting arm connection with 4 x M6 threaded mounting holes.
Applications
- Machine-level human-machine interface (HMI) in automotive assembly.
- Control and monitoring in food, beverage, and packaging production facilities.
- Operator panels for pharmaceutical processing lines requiring washdown-resistant hardware.
- Integrated terminal systems for material handling and warehouse logistics.
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
Beckhoff Automation |
| Model Number |
CP7702-0021-0050 |
| Display Size |
15-inch |
| Display Resolution |
1024 x 768 pixels |
| Processor Support |
Intel Atom x5-E3930 1.3 GHz (2 Cores) / x5-E3940 1.6 GHz (4 Cores) |
| System Memory |
4 GB DDR4 RAM (expandable configuration options available) |
| Storage Interface |
CFast card slot (supports up to 320 GB high-speed flash) |
| Ethernet Ports |
2 x 10/100/1000BASE-T (IP65 RJ45 connectors) |
| Serial Port |
1 x RS232, DIN 12-pin IP65 (convertible via D-sub 9-pin adapter) |
| Input Voltage |
24 V DC |
| Housing Material |
Extruded and milled aluminum |
| Protection Class |
IP65 (dust-tight and protected against water jets) |
| Operating Temperature |
0 to 45 degC |
| Shipping Weight (Calculated) |
8.0 kg (17.6 lbs) |
| Package Dimensions (Calculated) |
450 x 380 x 180 mm |
Connections and Interfaces
| Interface Port |
Connection Profile / Function |
| LAN1 / LAN2 |
IP65 RJ45 Gigabit Ethernet for factory bus and IT integration |
| COM1 |
DIN 12-pin circular connection supporting RS232 serial communication |
| Power Input |
24 V DC terminal block interface for reliable power distribution |
Empirical Engineering Insights
Alternative Models & Compatibility
The CP7702-0021-0050 features dedicated processing performance categorized under TwinCAT 3 performance class level 40 (or 50, depending on the multi-core CPU option chosen). It serves as a direct upgrade to older CP77xx panel iterations, utilizing updated CFast storage formats instead of legacy CF components. Verify TwinCAT runtime licensing requirements (TC3: 40/50) when transferring projects from legacy hardware platforms.
Application Pitfalls & Engineering Notes
While the IP65 rating provides outstanding sealing, this panel PC relies entirely on passive thermal convection. In confined or unventilated mounting environments, ambient temperatures must not exceed 45 degC. Prolonged operation above this threshold will cause the Intel Atom processor to thermally throttle, degrading real-time control capability within critical TwinCAT tasks.
Commissioning & Wiring Tips
To maintain the strict IP65 protection rating, use the correct circular connector adapters and IP65-rated RJ45 communication cables. Always ground the aluminum backplate using a dedicated ground wire connected to the integrated M6 mounting studs. Ensure that the 24 V DC power line is run through a shielded cable to isolate the sensitive onboard PC electronics from high-frequency noise generated by adjacent variable frequency drives (VFDs).
Installation Guidelines
CRITICAL WARNING: Prior to mounting, wiring, or servicing this unit, isolate and lock out all 24 V DC power supplies feed lines. Ensure any residual static charge is bled from the metal chassis before interacting with external communication ports. Failures in electrical grounding can lead to fatal damage of the embedded motherboard components.
1
Align the backplane bracket with the standard mounting arm adapter using the four rear M6 x 18 mm threaded mounting holes.
2
Insert and secure the mounting screws, ensuring they are tightened to the recommended torque specifications without over-penetrating the rear aluminum plate.
3
Connect the protective earth grounding conductor directly to one of the dedicated rear chassis ground terminals.
4
Route and plug in the IP65 Ethernet cables, sealing glands, and the 12-pin RS232 adapter securely into their respective sockets.
5
Apply 24 V DC power, initialize the onboard bios setup if required, and proceed to download your TwinCAT project file.