C6920-1026-0020 Beckhoff
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The Beckhoff C6920-1026-0020 is an industrial PC unit and part of the C6 Industrial PC Units series. It is equipped with two cooling fans, four USB 2.0 ports, and two RJ-45 Ethernet ports with speeds up to 10/100/1000BASE-T. The unit offers a 1 x DVI-I display interface and an IP20 protection class for reliable operation.
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Product Description:
The industrial PC designated C6920-1026-0020 belongs to the C6 Industrial PC Units series from Beckhoff. It is a compact control computer intended to host TwinCAT runtime, handle machine sequencing, and forward data to higher-level MES or cloud systems. By integrating processing, storage, and diverse communication ports in a single enclosure, the unit streamlines control cabinet layouts in distributed automation. Its form factor suits cabinet-mounted control tasks where computing, networking, and local device connections need to be combined in one platform.
The power input is routed through an industrial connector rated at 16 A, and the mating plug uses an 8-pole pattern that carries DC supply lines and protective earth. Internal spring terminals accept conductors up to 1.5 mm², so the incoming wiring must match that limit. Network connectivity is provided through the primary X102 port, which supports 10/100/1000BASE-T speeds for links to both legacy 100 Mb networks and modern gigabit backbones. For mechanical resilience, the aluminum housing tolerates impacts of 5 G, 30 ms, which supports installation on moving gantries or press frames. This section also includes two RJ-45 Ethernet jacks, a 9-pin fieldbus socket, and an RS-232 serial interface for legacy sensors or peripheral devices.
Thermal management relies on 2 cooling fans that draw air across the compact 3.5-inch motherboard and storage bay. Visual output is available through a single 1 x DVI-I connector that carries both digital and analog video for compatible HMI monitors. Four externally accessible USB receptacles follow the 4 x USB 2.0 arrangement, supporting flash drives, barcode readers, and other low-bandwidth peripherals. The enclosure meets the IP20 protection class, so it must be mounted inside a cabinet and is protected against contact with fingers and solid objects larger than 12.5 mm. Completing the interface set, a 9-pin D-Sub fieldbus port and the second gigabit Ethernet jack are available for decentralized I/O or supervisory links.
