Use this guide when engineering teams are comparing these constraints.
- Vision inspection system
- Smart camera routes
- Cost and integration tradeoffs
Alternative selection guide
Compare the installed architecture, not a brand-wide label: KEYENCE XG-X/CV-X controller stations and VJ cameras used with a PC application have different boundaries. VJ documents Cognex VisionPro integration with configuration limits; verify the actual tools, licenses, optics and PLC outputs before migration.
Deyi Vision is not affiliated with the compared brands. This page is for application-based selection and RFQ planning.
Model and application contract
| Decision | Manufacturer documentation distinguishes | Verify on the proposed route | Official reference |
|---|---|---|---|
| Installed system | The XG-X model catalog separates controllers, cameras, expansion units, software and cables. A brand name does not specify a complete configuration. | Record each model and job revision, attached lighting, calibration, operator controls and the person responsible for commissioning. | KEYENCE: XG-X component model catalog |
| Inspection workflow | CV-X support separates imaging/programming, communications, saved images/trace logs and troubleshooting. | List tool decisions and result fields; preserve known-good/NG images and determine which logic must be recreated rather than merely recaptured. | KEYENCE: CV-X setup guide |
| Network and I/O | KEYENCE's connection guide distinguishes system families, controller interfaces and optional communication units/cables. | Record the exact PLC protocol, data map, handshake, trigger, busy/result/fault and restart requirements; an Ethernet socket is not a protocol guarantee. | KEYENCE: vision system network connections |
| Existing VisionPro application | KEYENCE lists Cognex VisionPro among the VJ Series' supported software, with a qualification on operating conditions. A KEYENCE reference does not always mean a controller-based inspection job. | Check the exact VJ imaging configuration, installed VisionPro release and required features against the connection documentation. A supported-software list is not blanket compatibility or proof that another brand's job will run unchanged. | KEYENCE: VJ supported PC vision software |
| Device control versus inspection runtime | Cognex's In-Sight SDK resource describes .NET applications interfacing with In-Sight sensors, including job control and acquisition results. A PC client is a distinct responsibility from the device's inspection job. | Separate HMI, acquisition, job tools and result handling. Check the installed sensor/controller, SDK version, licenses and permitted calls; the cited version-specific resource does not establish cross-brand job or API interchangeability. | Cognex: In-Sight SDK resource |
Retain the supported configuration when the required behavior and responsibility cannot be reproduced and accepted within the project's constraints.
Proposed system migration test
Freeze the current job, configuration and independently labeled good, NG and borderline samples before evaluating another route. Compare the full station decision, not only whether the candidate camera can show an image.
Inventory acquisition, inspection tools, calibration, operator UI, result transport and service ownership separately. A compact smart camera is suitable only if its documented processing and I/O scope covers the required job; a host-based route requires an owner for software, licenses, updates and integration.
Start with the installed configuration. If an application already uses Cognex VisionPro, KEYENCE's documented VJ integration is a camera/imaging route to investigate before assuming the inspection algorithms must be rewritten. Verify the exact hardware, software release, licensed tools and required behavior; the manufacturer qualifies compatibility. For a controller/sensor-based station, separate PC monitoring and job control from the inspection runtime. Neither a PC SDK nor an Ethernet port proves cross-brand job portability. Include engineering, software licensing, fixture changes, maintenance and revalidation in the decision; no lower migration cost or interchangeable job is promised.
This is a proposed comparison protocol, not a completed test, measured accuracy result or guarantee of compatibility. Agree sample counts, acceptance targets and timing limits before running it.
Official brand documentation supports the stated source-platform distinctions; it does not certify a Deyi replacement or imply brand affiliation.
Engineering comparison summary
Swipe horizontally to compare buyer question, Deyi route and evidence needed before quotation.
| Decision factor | Buyer question | Deyi answer | Evidence to send |
|---|---|---|---|
| Reference-model request | What does "Keyence Vision System Alternative" usually need to confirm? | Compare 3 requirement groups: vision inspection system, smart camera routes, cost and integration tradeoffs. | Current model, target defect, sample images and why the current route is not enough. |
| Component route | Which hardware family should be reviewed first? | Start with Machine Vision Systems, Smart Cameras, Industrial 2D Cameras, Machine Vision Lighting, Machine Vision Lenses before asking for 1 fixed replacement model. | FOV, working distance, interface, line speed, trigger and mounting envelope. |
| Risk boundary | What should not be assumed from the brand name? | A brand reference does not prove lighting, optics, fixture, code-read angle, 3D height range or integration I/O. | Good/bad samples, worst-case surface, tolerance table and read-rate or repeatability target. |
| RFQ outcome | What should a useful reply contain? | Expect a route-level answer with 2-4 candidate component families, open constraints and validation steps. | Production photos, PLC/protocol needs, budget band, delivery country and acceptance criteria. |
Related selection guides
Collect the details engineering teams need before requesting cameras, lenses, lighting, readers or inspection systems.
ResourceDesign a visual inspection system by defining defect criteria, sample set, optics, lighting, fixture, trigger, I/O and acceptance tests.
Comparison RFQ
We will reply with the practical selection route, required constraints and questions to confirm before quoting.
Request engineering RFQComparison FAQ
Compare the installed architecture, not a brand-wide label: KEYENCE XG-X/CV-X controller stations and VJ cameras used with a PC application have different boundaries. VJ documents Cognex VisionPro integration with configuration limits; verify the actual tools, licenses, optics and PLC outputs before migration.
Freeze the current job, configuration and independently labeled good, NG and borderline samples before evaluating another route. Compare the full station decision, not only whether the candidate camera can show an image.
Compare the inspection evidence first: defect size, field of view, working distance, line speed, lighting risk, PLC I/O and repeatability target. Then decide whether the safer route is a smart camera, a modular camera-lens-lighting system or a full vision inspection system.
No. This is independent selection guidance. A candidate route requires its own optical, software, licensing and station-output validation; an unchanged KEYENCE job or one-to-one model replacement is not promised.
No. This is independent application-selection guidance. Deyi Vision is not affiliated with the referenced brand, and manufacturer documentation does not certify a Deyi replacement or compatible application.
Send the model number, current application, part photos, defect or measurement target, line speed, working distance, interface needs and the reason you want another route.
Use 2D when contrast, edges, labels or position are enough to judge the part. Use 3D when height, profile, gap, volume, weld shape or surface geometry decides pass or fail.
Start from the defect and material surface instead of the camera model. Backlight helps edge measurement, coaxial and dome lighting help reflective surfaces, and bar or ring lighting often works for general presence and defect checks.
Deyi Vision is not affiliated with those brands. As a machine vision component source, we can map the inspection goal, model reference and production route to a component-level camera, lens, light, reader or smart-camera selection.
| Model | Family | Parameter | Published value | Source model and evidence |
|---|---|---|---|---|
| DY-NV5 | Smart Cameras | Acquisition | Up to 60fps image acquisition stated in official feature copy | XS-Code: NV5 manufacturer feature evidence mapped; source revision not recorded here. |
| DY-GE307GM | Industrial 2D Cameras | Resolution / frame rate | 2048 x 1536 MAX @37FPS | MindVision: MV-GE307GM manufacturer spec table reviewed; source revision not recorded here. |
| DY-GE307GM | Industrial 2D Cameras | Effective pixels | 3MP | MindVision: MV-GE307GM manufacturer spec table reviewed; source revision not recorded here. |
| DY-GE307GM | Industrial 2D Cameras | Pixel size | 3.4 x 3.4um | MindVision: MV-GE307GM manufacturer spec table reviewed; source revision not recorded here. |
| DY-RS3475-W | Machine Vision Lighting | Power | 2W | CSTMV / KST: CST-RS3475-W manufacturer spec table reviewed; source revision not recorded here. |
| DY-RS3475-W | Machine Vision Lighting | Light opening | 34mm outer / 10mm inner / 19mm height | CSTMV / KST: CST-RS3475-W manufacturer spec table reviewed; source revision not recorded here. |
| DY-RS3475-W | Machine Vision Lighting | Color temperature | 6000-10000K | CSTMV / KST: CST-RS3475-W manufacturer spec table reviewed; source revision not recorded here. |
| DY-FA0401C | Machine Vision Lenses | Focal length | 4mm | CHIOPT: FA0401C manufacturer spec table reviewed; source revision not recorded here. |
| DY-FA0401C | Machine Vision Lenses | Sensor size | 1/1.8 inch | CHIOPT: FA0401C manufacturer spec table reviewed; source revision not recorded here. |
| DY-FA0401C | Machine Vision Lenses | F.NO | 2.0-C | CHIOPT: FA0401C manufacturer spec table reviewed; source revision not recorded here. |