What is the function of the camera cable?
The primary function of a camera cable in industrial and machine vision applications is to transmit data, power, and control signals between the camera and a host system (like a computer or frame grabber). Here’s a detailed breakdown of its key roles:
1. High-Speed Image Data Transmission
Transfers raw image/video data from the camera sensor to a frame grabber or PC at high speeds.
Critical for:
Real-time inspection (e.g., production line quality control).
High-speed imaging (e.g., sports analytics, ballistic tracking).
Medical/scientific imaging (e.g., microscopy, X-ray).
2. Power Delivery (PoE/PoCXP/USB Power)
Some cables (like Power-over-Ethernet [PoE] or Power-over-Coax [PoCXP]) deliver power to the camera, eliminating the need for a separate power supply.
Used in:
Compact systems (e.g., drones, robotics).
Remote cameras (e.g., traffic monitoring).
3. Control Signal Communication
Carries trigger signals, strobe commands, and serial communication (e.g., RS-232) to synchronize cameras with external devices.
Enables:
Multi-camera synchronization (e.g., 3D scanning).
Precise timing (e.g., high-speed assembly line triggers).
4. Industrial Reliability & Noise Immunity
Shielded designs (STP/coaxial) prevent electromagnetic interference (EMI) in factories with motors, welders, or RF noise.
Robust connectors (MDR-26, BNC) withstand vibrations, dust, and temperature swings.
5. Interface-Specific Functions
| Cable Type | Unique Function |
|---|---|
| CameraLink | Ultra-low-latency, deterministic data transfer for industrial automation. |
| CoaXPress (CXP) | Combines high-speed data + power over a single coaxial cable (PoCXP). |
| GigE Vision | Long-distance (100m+) networking for multi-camera setups. |
| USB3 Vision | Plug-and-play simplicity for lab/light industrial use. |
| SDI | Uncompressed video streaming for broadcast/medical imaging. |
Why Does the Cable Matter?
1. Speed & Bandwidth: Affects resolution/frame rate (e.g., 4K@120fps requires CoaXPress or CameraLink HS).
2. Latency: Industrial systems need near-instantaneous data transfer (CameraLink/USB3 <1ms latency).
3. Durability: Factory floors demand ruggedized cables with strain relief.
4. Distance: GigE works at 100m+; CameraLink is limited to 10m without repeaters.
Example Use Cases
1. Automotive Inspection: CameraLink cables transmit high-res images of car parts to detect defects in real time.
2. Surgical Robotics: CoaXPress delivers 4K video + power to endoscopic cameras.
3. Pharmaceutical Packaging: GigE PoE cables power and connect multiple inspection cameras.
Need Help Choosing?
If you’re unsure which cable suits your camera/system, share
1. Camera model (e.g., Basler ace, FLIR Blackfly).
2. Application (e.g., factory robot, lab microscope).
3. Required resolution/frame rate.
Send your message to us:
Post time: Jun-10-2025