First TwinCAT PLC Project on a Beckhoff IPC
Build and verify a first TwinCAT PLC project on a Beckhoff IPC. This checklist covers target selection, EtherCAT discovery, I/O mapping, safe activation, restart tests, and commissioning records.
Manufacturer: BECKHOFF
Product No.: CP6231-0002-0070
Country of origin:Germany
Product Type: Economy Built-in Panel PCs
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Designed to execute localized control, visualization, and monitoring tasks within demanding automated systems, the Beckhoff CP6231-0002-0070 integrates a 12-inch TFT display with a high-performance industrial PC core. This economy built-in Panel PC features a mechanical configuration with an aluminum front bezel and a robust sheet-steel rear cover, designed specifically for control cabinet installation. Equipped with an Intel Celeron G3900TE processor operating at 2.3 GHz and 4 GB of DDR4 RAM, the device provides reliable processing power for PLC, motion control, and HMI runtimes. It operates efficiently in environments ranging from 0 to 55 degC, delivering high physical durability and stable execution under constant industrial workloads.
| Parameter | Value |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Number | CP6231-0002-0070 |
| Processor | Intel Celeron G3900TE 2.3 GHz (2 cores) |
| Memory (RAM) | 4 GB DDR4 RAM (expandable ex factory) |
| Display Size & Resolution | 12-inch TFT, 800 x 600 pixels |
| Touch Technology | Single-finger touch screen with analog resistive film |
| Motherboard Form Factor | 3.5-inch compact motherboard |
| Power Supply | 24 V DC (nominal) |
| Front Protection Class | IP65 (dust-tight and protected against water jets) |
| Rear Protection Class | IP20 (finger-safe protection) |
| Operating Temperature | 0 to 55 degC |
| Storage Drive Options | CFast slot or 2.5-inch SSD drive options |
| Shipping Weight (Calculated) | 5.0 kg |
| Connector / Interface | Functional Assignment / Specification |
|---|---|
| Ethernet Ports (2x) | 10/100/1000BASE-T RJ45 with LED status indicators |
| USB Ports (4x) | USB 3.0 interfaces for high-speed device communication |
| DVI Connection (1x) | DVI-D port for external monitor cloning or extension |
| Serial Port (1x) | RS232 connection (COM1) for serial peripheral integration |
| Power Input | Screw-terminal plug block for 24 V DC supply |
The Beckhoff CP6231 series maintains high physical mounting backwards-compatibility with previous generations of CP62xx built-in panel hardware. When upgrading from older platforms utilizing Intel Atom or Celeron processors of lower processing categories, confirm the physical control cabinet cutout dimensions match the standard 12-inch configuration. This unit is optimized for modern configurations; target licensing classes for TwinCAT runtime applications default to TwinCAT 3 performance class 50 (TC3: 50) due to the Celeron G3900TE core architecture.
Operating this built-in Panel PC requires strict adherence to natural convection paths. Ensure the panel is mounted vertically within the cabinet cutout. Obstructing the integrated ventilation slots on the sheet-steel rear cover can result in localized hot spots, prompting the onboard thermal management system to throttle CPU clock speeds. For systems subjected to high vibratory profiles, use a solid-state CFast card or standard industrial SSD rather than a physical spinning hard disk to prevent drive-head write errors and subsequent file corruption.
During the commissioning stage, establish a low-impedance connection from the functional ground terminal block to the central machine ground. This grounding is critical to shunt electromagnetic noise, ensuring consistent touch-screen detection without erratic signal jumps. If integrating network redundancy or separate operational technology (OT) zones, the dual onboard RJ45 Gigabit Ethernet ports are mapped to separate independent network controllers and should be assigned static IP configurations on separate subnets to avoid route loop-backs.
CRITICAL WARNING: ELECTRICAL SHOCK AND COMPONENT DAMAGE RISKS
Always isolate and de-energize the complete cabinet and associated 24 V DC supply conductors before preparing the mounting cutout or making field wire connections. Failure to fully remove power can result in system motherboard failures, internal voltage-rail damage, or severe electric shock hazards for operational personnel.
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Returns & Warranty

Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|