C6640-0020 Beckhoff
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The Beckhoff C6640-0020 belongs to the C6 Industrial PC Units series and weighs 11 kilograms, with dimensions of 371 mm in width, 336 mm in height, and 198 mm in depth. It features 2 DVI ports, 1 DisplayPort, 2 ethernet ports, and 4 USB ports, along with a battery capacity of 225 mAh at 3.0 V. The unit has an IP20 protection rating and tolerates up to 95 percent humidity, 5 G shock resistance, and vibration of 0.5 G at 58-500 Hz.
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Product Description:
The C6640-0020 is an industrial PC assembled by Beckhoff for the C6 Industrial PC Units series. It serves as a control platform in automation cells, combining CPU performance with numerous field interfaces so programmable logic, motion control, data handling, and visualization tasks can run from one enclosure instead of separate dedicated devices. Mounted in a cabinet or machine frame, the system acts as a central computing node that links sensors, drives, human-machine interfaces, and higher-level networks through its built-in communication ports.
The enclosure measures 371 mm wide, 336 mm high, and 198 mm deep, which gives a clear footprint for panel layout and spacing around adjacent components. Four USB ports support removable media, service keyboards, or barcode readers, while two DVI ports allow dual-screen operator stations without external splitters or display adapters. A 225 mAh lithium cell rated at 3.0 V maintains BIOS and real-time clock data during power loss, which helps preserve startup settings between shutdowns. The unit supports operation in condensation-free environments up to 95% relative humidity. It also withstands shock loads of 5 G for 30 ms and vibration amplitudes of 0.5 G between 58–500 Hz.
Two Ethernet ports provide redundant or segmented networking, so motion-control traffic and supervisory communications can be separated without added switches. The 24 VDC input path is fused for a peak draw of 3 A, and the IP20 housing is intended for installation inside a closed control cabinet where accidental contact with live parts is limited. A weight of 11 kg supports secure mounting on a shelf or panel structure without requiring heavy external bracing. This arrangement suits machine-control installations that need centralized processing, standard low-voltage power, and built-in network separation within a single cabinet.
