Beckhoff C6640-0040 Control Cabinet Industrial PC 7-Slot
Beckhoff C6640-0040 Control Cabinet Industrial PC 7-Slot
Introduction
The Beckhoff C6640-0040 is a high-performance, control cabinet Industrial PC (IPC) engineered for heavy-duty automation applications. Designed as a rugged tower unit for easy mounting inside standard electrical enclosures, the C6640-0040 features a full-sized industrial ATX motherboard squeezed into an incredibly compact footprint.
Equipped with a 7-slot expansion layout, this IPC bridges the gap between high-speed IT computing power and deterministic, real-time machine control.
It functions as an optimized hardware platform for executing complex multi-axis motion control, machine vision inspection, and large-scale SCADA systems via Beckhoff TwinCAT automation software.
Unique Product Description
The definitive advantage of the Beckhoff C6640-0040 lies in its specialized spatial engineering and cable management.
While traditional ATX industrial computers require wide, deep mounting racks, the C6640 utilizes a high-grade, stainless-steel-based vertical housing that occupies minimal DIN rail or panel surface area.
Crucially, all physical I/O interfaces and cable connections face upward.
This allows field wiring, communication buses, and power lines to route immediately into the overhead cable ducts without bending radius stress, keeping the control cabinet layout clean and organized.
Furthermore, the unit features completely passive side walls. Because it vents vertically via an internal fan system, the C6640-0040 can be mounted directly adjacent to terminal blocks, motor drives, or other cabinet hardware with zero clearance penalties.
It provides an uncompromised 7-slot platform where plug-in expansion cards (up to $210\text{ mm}$ in length) remain protected against ambient industrial shock and vibration.
Technical Parameter Table
Parameter Section Feature / Specification Technical Details
Physical Attributes Device Type Control Cabinet Industrial PC (IPC)
Housing Construction Heavy-duty stainless steel and aluminum chassis
Mounting Orientation Vertical mounting plate for control cabinet installation
Dimensions (W x H x D) $371\text{ mm} \times 336\text{ mm} \times 198\text{ mm}$ ($14.6″ \times 13.2″ \times 7.8″$)
Protection Rating IP20
Computing & Core Motherboard Type Industrial ATX Motherboard Architecture
Processor Options Scalable Intel® Core™ i3/i5/i7. Intel® Pentium®, or Celeron®
Memory Technology High-speed DDR RAM options, expandable multi-channel setup
Storage Drive Interface 3½-inch hard disks (up to 4 TB), high-end industrial SSDs, or CFast
Expansion Slots Total Plug-in Capacity 7 Expansion Slots (Supports card lengths up to $210\text{ mm}$)
Slot Configurations Mix of high-speed PCIe (x16. x4. x1) and legacy PCI slots
Interfaces & I/O Network Ports On-board Dual Gigabit Ethernet interfaces ($2 \times 100/1000\text{BASE-T}$)
Video Outputs Dual DVI interfaces, integrated DisplayPort
Connectivity Matrix Multiple high-speed USB 3.0/2.0 ports, COM port (RS232), PS/2
Power & Climate Supply Voltage Options $100\text{ to } 240\text{ V AC}$ full-range power supply unit (Optional $24\text{ V DC}$ with integrated UPS)
Operating Temperature $0^\circ\text{C}$ to $55^\circ\text{C}$ ambient operating envelope
C6640-0040
Product Advantages and Features
Upward-Facing Interface Layout: Solves the problem of messy cabinet routing by placing every network, display, power, and peripheral port on the top face for rapid connection access.
Zero-Clearance Lateral Mounting: Passive side walls remove lateral thermal radiation, allowing tight, space-saving panel integration side-by-side with high-heat components.
Robust Card Stabilization: Internal card holders clamp the 7 plug-in expansion boards securely in place, neutralizing structural harmonics from structural impact or machine vibrations.
Long-Term Component Backward-Compatibility: The structural shell remains identical over generations, allowing plants to upgrade internal motherboards, CPUs, or RAM arrays down the line without changing cabinet cutouts or mounting hardware.
On-Board Hardware RAID Support: Built-in storage controllers enable mirrored storage arrays (RAID 1 configuration) for non-stop uptime and data availability during sensitive industrial logging.
Application Cases
High-Speed Vision Inspection Lines: Accommodates multiple PCIe frame grabber cards to process multi-camera high-resolution surface defect sorting in real time.
Centralized Factory SCADA Gateways: Aggregates massive plant-floor industrial data streams via on-board dual Ethernet lines while simultaneously running SQL database mirrors.
Multi-Axis Robotic Cell Orchestration: Runs deterministic TwinCAT NC/CNC software profiles, handling sophisticated interpolation profiles across dozens of synchronized servo drives.
Installation Guide
Mounting Plate Alignment: Bolt the vertical mounting plate securely onto the control cabinet back panel using heavy-duty M6 screws.
Device Seating: Hook the C6640 chassis into the pre-aligned mounting brackets and engage the retention fasteners. Ensure there is at least $5\text{ cm}$ of clearance above and below the unit for adequate fan-forced convection.
Cable Routing: Feed the system cables directly up into the wire management tray. Use integrated strain-relief ties near the I/O panel to eliminate connector tension.
Earthing: Connect a thick, low-impedance functional ground strap from the dedicated chassis grounding stud directly to the central cabinet earth bar.
Maintenance Practices
Filter and Fan Servicing: Periodically check the top exhaust and bottom intake fan vents for dust film. The fan cartridges can be unbolted and cleaned or replaced without opening the core electronics housing.
Accessing Components: Loosen the front safety cover screws to access internal drives, memory modules, or expansion cards directly from the front plane of the unit.
Related Models & Other Models in the Same Series
The Beckhoff C66xx control cabinet series scales performance, expansion capacity, and storage options across several modular profiles:
C6640-0050 / -0060 / -0070: Progressive generations of the compact 7-slot footprint, scaling from legacy Intel processors up to Core i3/i5/i7/i9 and Intel Core Series 2 multi-core platforms.
C6650 Series: Incorporates the same compact 7-slot ATX design but adds dual front-accessible, hot-swappable hard drive mobile racks for high-availability database applications.
C6675 Series: Features a deep-profile chassis configuration engineered with uprated $300\text{ W}$ power delivery architectures to drive full-length, power-hungry graphics cards or processing accelerators.
C6920 / C6930 Series: Ultra-compact control cabinet PCs utilizing embedded form factors for applications requiring minimal physical footprints without full-scale ATX expansion slots.