Specifications

Series

Cognex In-Sight 3900

Positioning

Highest-performance embedded AI vision system in the In-Sight range

Max Resolution

Up to 25 megapixels — wider field of view and finer defect detection

Throughput

Up to 4× faster inspection than previous Cognex systems

Networking

Dual Ethernet design

Processing

On-device embedded AI vision — no host PC required

Representative Model

In-Sight 3901C

Deployment

Inline, PC-free inspection on the production line

Use Case

High-speed defect detection, seal and package inspection, high-resolution inline quality control

Comparison

Cognex In-Sight systemResolutionProcessingSetup
In-Sight 28001.6 / 2 MPEdge learning (on-device, example-based)Few good/bad images
In-Sight 3900Up to 25 MPNew-generation embedded AI visionVision Suite / EasyBuilder

Use Case

The Cognex In-Sight 3900 is Cognex's highest-performance embedded AI vision system. Two numbers define it: imaging up to 25 megapixels, which allows either a much wider field of view or much finer defect detection from the same standoff, and inspection throughput up to four times that of previous Cognex systems, which is what makes AI inspection viable on a fast production line rather than as an offline audit.

Everything runs on the device. There is no host PC in the cell, no Windows update cycle and no PC failure mode on the line, which is the main reason embedded vision systems are preferred over PC-based setups in 24/7 plants. The dual-Ethernet design lets camera data and plant-network traffic sit on separate physical links, so a busy PROFINET or EtherNet/IP network cannot starve the inspection stream.

High-speed inline defect detection; package and seal inspection on food, beverage and CPG lines; high-resolution quality control where field of view and resolution must both increase; any 24/7 inspection point where a PC-based vision setup is a reliability liability.

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