Cognex In-Sight 3900 AI Machine Vision System built for high-throughput production lines, with powerful computing and embedded AI for processing high-resolution images and advanced inspections. Cognex In-Sight 3900 AI Machine Vision System Powering high-throughput, high-accuracy inspections with Edge and Advanced AI.Cognex In-Sight 3900 AI Machine Vision System is the new generation of Cognex embedded AI vision technology and powered by Qualcomm Dragonwing™
Cognex In-Sight 3900 AI Machine Vision System built for high-throughput production lines, with powerful computing and embedded AI for processing high-resolution images and advanced inspections. Cognex In-Sight 3900 AI Machine Vision System Powering high-throughput, high-accuracy inspections with Edge and Advanced AI.
Cognex In-Sight 3900 AI Machine Vision System is the new generation of Cognex embedded AI vision technology and powered by Qualcomm Dragonwing™ platforms, the Cognex In-Sight 3900 AI Machine Vision System is a fully integrated vision system that delivers industry-leading speed, accuracy, and resolution at the edge, enabling manufacturers to run demanding inspections without sacrificing throughput or simplicity.
Cognex In-Sight 3900 1D & 2D Barcode AI Machine Vision System Powering high-throughput, high-accuracy inspections with Edge and Advanced AI is Fast, Powerful and Ready for Your Production Line - When every second counts on the production line, inspections can’t slow you down. The In-Sight 3900 powers high-throughput, high-accuracy inspections so you can keep up with demand, catch every defect, and make real-time decisions – without slowing production.
With the most powerful embedded AI in its class, the In-Sight 3900 helps:
• Inspect more features on every part at speeds up to 5,000 parts per minute
• Solve the toughest inspection challenges with industry-leading accuracy
• Analyses high-resolution images (up to 25 MP) for detailed results
And because your operations deserve a system that’s easy to use:
• Unified software keeps inspections consistent across lines and facilities
• Point-and-click setup or advanced programming gives you flexibility for every workflow
• The largest set of vision tools lets you customize inspections for your exact needs
Main Features:
4X Faster Processing - State-of-the-art embedded computing runs inspections up to 4X faster than other vision systems to maximize line rates and eliminate bottlenecks in high-volume production environments.
High-Resolution Imaging Up to 25 MP - High-resolution global shutter sensors and high-precision lenses deliver superior inspection accuracy and expanded field-of-view coverage, capturing subtle details and defects with extreme clarity.
Powerful and Flexible Integrated Lights - Built-in RGBW and IR lighting optimizes contrast in challenging inspection environments, while software-driven colour switching eliminates manual filter changes and reduces reliance on complex external lighting.
Advanced Imaging Algorithms - A proprietary accelerated processing architecture captures optimal images in a single acquisition at maximum frame rates. Multi-directional shadow analysis removes background noise and glare to isolate surface defects such as scratches, dents, and residues.
High-Performance Dual Ethernet - Architecture A dedicated Ethernet chip supports both EtherCAT and industrial Ethernet for real-time synchronization with high-speed PLCs and motion controllers. A 2.5 Gb data communication port enables rapid offloading of high-resolution images and inspection data.
More Memory for Smarter Performance - Expanded job processing memory – 2X the previous generation (8 GB RAM) – powers industry-leading Edge AI and Advanced AI tools.
Expanded job and image storage – 8X the previous generation (128 GB flash) – enables faster changeovers and preserves days of images for traceability and root-cause analysis.
High speed, no trade-offs:
▪ Runs inspections on high-speed, high-throughput lines, up to 5,000 parts per minute
▪ Inspects more features on every part, without slowing production
▪ Supports real-time decision making with a powerful computing architecture built to handle high-resolution images (25 MP)
The most powerful embedded AI:
▪ Solves a broader range of inspections than competitive offerings
▪ Delivers industry-leading accuracy for optimized quality assurance
▪ Handles both standard and complex inspections Consistent user experience, fully integrated portfolio
▪ Unified software streamlines integration across production lines and facilities
▪ Point-and-click setup and advanced programming offer flexible deployment options
▪ Industry’s largest set of vision tools enables application-specific configuration
High-Speed AI Vision, without Compromise - Cognex In-Sight 3900 AI Machine Vision System eliminates the traditional trade-off between inspection depth and line speed that legacy vision systems impose. By combining Cognex-developed Edge AI, Advanced AI, and rule-based vision tools with a high-performance embedded compute, the system enables deterministic, real‑time inspections at full line speed, supporting next‑generation packaging, automotive, electronics, and consumer goods applications.
Built for Advanced AI at the Edge - Cognex In-Sight 3900 AI Machine Vision System is built on the newest generation of Cognex embedded AI architecture, incorporating a dedicated high-performance AI processor for fast, deterministic decision making directly at the edge. The platform supports:
Edge AI tools for fast deployment and inspection stability.
Advanced AI tools for complex, high‑variability applications.
PC‑free operation to simplify validation, deployment, and lifecycle management.
Main Features: 4X Faster Processing at Scale: Runs inspections up to 4X faster than previous-generation Cognex vision systems—maximizing line rates and eliminating bottlenecks in high-volume production.
High-Resolution Imaging Up to 25 MP: Supports resolutions up to 25 megapixels for wider fields of view, finer measurements, and improved defect detection, all within a single acquisition.
Real-Time, High-Throughput Edge Execution: Embedded AI acceleration and optimized processing pipelines enable deterministic, real-time inspection synchronized with high-speed production lines.
Industrial-Grade Connectivity: Dual Ethernet architecture ensures reliable communication with PLCs, robots, and enterprise systems.
Modular Optics and Lighting Ecosystem - A curated portfolio of lenses including telecentric lenses and lighting integrates seamlessly with the In-Sight 3900 to support advanced applications requiring higher performance or customization. These modular options can be tailored to specific inspection needs, optimizing each configuration for superior image quality, higher accuracy, and consistent, repeatable results.
▪ Standard Lenses
▪ Telecentric and Bi-Telecentric Lenses
▪ Back Lights
▪ Bar Lights
▪ Brick Lights
▪ Coaxial Lights
▪ Ring Lights
Cognex In-Sight 3900 is a high-performance, fully integrated AI-powered 2D machine vision system designed for high-throughput production lines. It was launched on May 5, 2026, and combines powerful embedded computing (powered by Qualcomm Dragonwing platforms), Edge AI, Advanced AI, and traditional rule-based tools to deliver high-speed, high-accuracy inspections without requiring an external PC.
It eliminates the traditional trade-off between inspection depth/complexity and line speed, enabling real-time processing of demanding applications (including 2D barcode reading) at full production throughput.
Key Highlights and Capabilities:
- Processing Speed: Up to 4X faster than previous-generation Cognex systems. Supports inspections on lines running up to 5,000 parts per minute, with no loss in throughput.
- Resolution: Up to 25 MP high-resolution imaging (global shutter CMOS sensors) for wider fields of view, finer defect detection, precise measurements, and detailed 2D code reading in a single acquisition.
- AI Architecture: Dedicated high-performance AI processor for deterministic, real-time edge execution. Supports Edge AI (fast, stable, pre-trained models with few training images) and Advanced AI (customizable models for complex, high-variability applications). Paired with Cognex's OneVision platform for centralized model training, collaboration, and deployment across devices.
- Rule-Based Tools: Industry-proven tools for precise tasks like measurement, blob analysis, pixel counting, pattern matching, 1D/2D code reading, robotic guidance, and logic operations.
- Imaging Enhancements:
- SurfaceFX for isolating subtle surface defects while reducing glare/reflections.
- HDR+ (High Dynamic Range Plus) for balanced exposure in one shot, enhanced depth-of-field, and ~80% faster exposure times.
- Flexible integrated/multi-color lighting options (Cognex High Speed Liquid Lens Autofocus or manual C-Mount lenses) for optimal contrast on challenging surfaces (curved, reflective, transparent).
- Connectivity: Dual Ethernet (1 Gb for Industrial Ethernet + 2.5 Gb for data), support for PROFINET, EtherNet/IP, EtherCAT, ModbusTCP, MQTT, TCP/IP, etc. Seamless PLC/robot/enterprise integration.
- Memory/Storage: Expanded (double processing memory, 8X more storage) for complex jobs and AI models.
- Software: Unified In-Sight Vision Suite across In-Sight systems for consistent setup. Point-and-click for simple jobs; advanced programming for complex ones. PC-free operation simplifies validation and maintenance.
Models/Specifications Overview:
The series includes color (C) and monochrome (M) variants with varying resolutions:
- 3901C/M: 1.6 MP (1/2.3” CMOS), up to 125 fps.
- 3905C/M: 5 MP (2/3” CMOS), up to 32 fps.
- 3916C/M: 16 MP (1.1” CMOS), up to 28 fps.
- 3925C/M: 25 MP (1.2” CMOS), up to 21 fps.
Common Features:
- Lens Mount: C-Mount, Cognex High Speed Liquid Lens Autofocus, or manual focus.
- Inputs/Outputs: 1 opto-isolated trigger + up to 3 general-purpose inputs; up to 4 high-speed outputs (via breakout cable). Status LEDs.
- Power-efficient industrial-grade design for factory floor use.
1D & 2D Barcode Scanning and OCR Reading Capabilities:
The In-Sight 3900 excels at 1D/2D code reading and OCR as part of its comprehensive toolset, ideal for traceability on labels, packaging, and parts including challenging curved, reflective, or transparent surfaces.
- Combines rule-based tools (for deterministic reading) with Edge AI Read tools for higher robustness at full line speed (e.g., damaged, low-contrast, or variable codes).
- High-resolution sensors (up to 25 MP) and advanced imaging (HDR+, SurfaceFX, multi-color lighting) improve read rates on difficult codes.
- Supports end-to-end traceability in high-volume industries like packaging, automotive, electronics, and consumer goods.
- Example: Users report deploying AI-powered reading at extreme line speeds where traditional tools were previously limited.
Target Uses & Applications:
- Defect Detection: Subtle flaws (e.g., stitching on automotive seats).
- Assembly Verification: Component presence, placement, orientation (e.g., PCBs).
- Measurement & Alignment: Precise dimensions and seating.
- OCR & Barcode Scanning: Traceability on packaging.
- Robotic Guidance: Part location for pick-and-place.
- Seal Inspection: Transparent/hard-to-see seals (bubbles, defects).
Advantages Over Prior Systems (e.g., Cognex In-Sight 3800 2D Barcode AI Machine Vision System):
- Significantly higher speed and resolution.
- More powerful embedded AI compute (Qualcomm-powered).
- Better support for complex inspections without external hardware or throughput loss.
- Enhanced ecosystem integration with OneVision.
