Part Number: C6920-1025; Model: C6920-1025; Product Name: Embedded Industrial PC
Brand: Beckhoff (A Global Leader in PC-Based Automation Technology)
Product Status: Mass Production Unit; Product Category: High-Performance Embedded Controller, Optimized for DIN Rail-Mounted Automation Applications
Core Application: Designed for machine control, process automation, industrial IoT (IIoT) gateways, CNC systems, and distributed control architectures. Enables seamless integration with Beckhoff TwinCAT software and EtherCAT-based I/O systems for real-time control.
Core Features: Intel® Atom™ Processor; Fanless Design; DIN Rail Mounting; Real-Time Performance; EtherCAT Master/Slave Support; Flexible Expansion Options; Industrial-Grade Durability; TwinCAT 3 Compatibility.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Processor & Memory
Processor Architecture: Intel® Atom™ x5-E3930 Processor (14 nm, 2 Cores/4 Threads); Clock Speed: 1.3 GHz (Base), Up to 1.8 GHz (Burst); Cache Memory: 2 MB L2 Cache;
RAM Capacity: 4 GB DDR3L-1600 SODIMM (On-Board, Non-Expandable); Storage: 32 GB Industrial eMMC Flash Memory; Storage Expansion: Support for 1 × mSATA SSD Slot (Up to 1 TB) for Data Storage and Application Installation;
Operating System Support: Windows 10 IoT Enterprise, Windows 11 IoT Enterprise, Beckhoff TwinCAT 3 Real-Time Operating System (RTOS), Compatible with TwinCAT 3 Engineering Software for Programming and Configuration.
2.2 Communication Functionality
Main Communication Interfaces: 2 × Gigabit Ethernet Ports (RJ45 Connector, 10/100/1000 Mbps Auto-Negotiation, Supports EtherCAT Master/Slave, TCP/IP, UDP); 2 × USB 3.0 Ports (Type A, For Peripheral Connection);
Supported Protocols: EtherCAT, Modbus TCP/IP, OPC UA, PROFINET (Optional via Expansion), Ethernet/IP (Optional via Expansion); Communication Features: Wake-on-LAN, Link Aggregation, Real-Time Ethernet Communication;
Serial Interfaces: 1 × RS232/RS485 Configurable Serial Port (Terminal Block, Baud Rate Up to 115200 bps, Optically Isolated).
2.3 Digital I/O (Integrated)
Digital Input (DI): 4 Channels, Optically Isolated, Compatible with 24V DC Signals, Input Current: 3 mA @ 24V DC;
Digital Output (DO): 4 Channels, Optically Isolated Transistor Output, Sink Current: Up to 0.5A per Channel, Max Total Sink Current: 2A, Compatible with 24V DC Loads.
3. Hardware Configuration & Interface
3.1 Power Supply Parameters
Power Supply Source: DC Power; Rated Input Voltage: DC 24V ±10% (Industrial Standard Voltage, Compatible with Beckhoff I/O Systems);
Power Consumption: ≤ 15W (Typical, Full Load), ≤ 20W (Peak); Power Protection: Overvoltage Protection (30V DC Cutoff), Undervoltage Protection (18V DC Cutoff), Short-Circuit Protection, Reverse Polarity Protection.
3.2 Expansion & Auxiliary Interfaces
Expansion Interface: 1 × Beckhoff K-bus Expansion Port (For Connecting BK Series Bus Couplers and I/O Modules), 1 × PCIe Mini Card Slot (For Wireless Modules, Additional Interfaces);
Auxiliary Interfaces: 1 × VGA Port (For Display Output), 1 × Debug Port (DB9 Connector, For System Diagnostics and Maintenance); Watchdog Timer: Programmable, 1 ms ~ 65535 ms, Supports System Reset.
3.3 Interface Protection
ESD Protection: ±8kV (Contact), ±15kV (Air) per IEC 61000-4-2; Isolation Voltage: 2500V AC (Between Digital I/O and Control Circuits); Surge Protection: ±2kV (Line to Ground) per IEC 61000-4-5.