CB3051 Beckhoff
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The Beckhoff CB3051 is a modular motherboard from the CB Modular Motherboards series, measuring 102 by 147 millimeters and powered by a 5 V supply. It features 8 USB 2.0 ports, 2 LAN ports supporting up to 1000Base-T, and can accommodate up to 4 GBytes of DDR2-667 memory. The motherboard includes 2 SATA ports with 3 Gbit/s rates, 4 serial ports, and support for one mini-PCI slot.
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Product Description:
The CB3051 belongs to the CB Modular Motherboards series engineered by Beckhoff. It is an industrial PC motherboard intended for embedded control tasks where compact size and standardized backplane connections simplify panel or machine integration. By hosting a compatible CPU module and field-side I/O adapters, the board acts as the central processing layer inside programmable logic controllers, motion controllers, or visualization terminals used throughout factory automation.
The board footprint is 102 × 147 mm, so it can mount inside DIN-rail or book-style enclosures without exceeding a 3U slot height. System power is derived from a single 5 V ±5% rail, which makes it compatible with typical 24 V-to-5 V converter bricks already present in control cabinets. Two SO-DIMM sockets permit a maximum system memory of 4 GByte using DDR2-667 modules, giving enough storage for real-time operating systems and machine-level databases. External peripherals connect through eight USB 2.0 receptacles, and the availability of 8 high-speed ports supports barcode scanners, service sticks, or touchscreen controllers without requiring a separate hub. Local mass storage is handled by two SATA lanes, and the board presents 2 physical ports that operate at 3 Gbit/s for SSD or rotating media. In addition, an IDC 2 mm IDE header is provided for legacy drives, and a single Mini-PCI slot accepts fieldbus or Wi-Fi cards. Four RS-232/422 serial channels complete the low-level interface set.
For networking, the dual RJ-45 connectors each support 1000Base-T, enabling deterministic EtherCAT gateways or high-bandwidth HMI uplinks. The RTC section draws only 10 µA, allowing multi-year timekeeping when backed by a 3 V lithium cell. An LVDS graphics output drives 18-bit color panels, and the 18-bit depth is sufficient for operator displays and status dashboards. Silicon can run safely up to a junction limit of 100 °C, extending usable ambient range when the board is installed behind sealed doors with limited airflow.
Frequently Asked Questions about CB3051:
Q: What is the maximum memory supported by the CB3051 motherboard?
A: The Beckhoff CB3051 motherboard supports up to 4 GBytes of DDR2-667 memory.
Q: How many USB 2.0 ports are available on the CB3051?
A: CB3051 is equipped with 8 USB 2.0 ports, allowing for multiple peripheral connections.
Q: How many LAN ports and what is the maximum LAN speed provided by the CB3051?
A: The CB3051 offers 2 LAN ports with a maximum communication rate of 1000Base-T each.
Q: How many SATA ports and what is their data rate on the CB3051?
A: This motherboard features 2 SATA ports, each supporting data transfer rates up to 3 Gbit/s.
Q: What are the power supply requirements for the CB3051 motherboard?
A: The CB3051 has board supply requirements of 5 V with ±5% tolerance.
