The Cognex DPM Verifier enables manufacturers to ensure that their
codes meet the grading standards outlined in the latest ISO 15415 and
AS9132, and ISO 16022 standards. This is very important to industries
such as automotive, where mark process control is critical to traceability.
Additionally, high mark quality is important for contractual compliance
in many industries. For example, DOD suppliers must provide parts with
Data Matrix™ codes conforming to MIL-STD 130.
The design and simplicity of the DPM Verifier facilitate setup, data gathering, and data accessibility. The software can output grading information to an Excel database, automatically create a quality report on an individual part, and save the image to a database for datalogging required by contracts, and for process control.
With a quarter century experience in machine vision, Cognex understands the impact of image processing, grayscale analysis, lighting, and resolution on inspection applications. The DPM Verifier perfectly complements the Cognex family of DataMan™ handheld ID Readers and In-Sight ® fixed-mount ID readers to provide users with complete mark solutions.
To achieve repeatable results a verification system must tightly control lighting setup, standoff distance, part presentation, and lens aperture/focus settings. The Cognex DPM Verifier accomplishes this through a combination of reflectance calibration utilizing a NIST (National Institute of Standards and Technology) traceable and serialized target, controlled lighting setup using intuitive gauging tools, and software-assisted focus optimization. This ensures repeatable verification results on every part, every time. Additionally, by automatically recording each test setup the verifier allows these results to be re-created at any time.
The Cognex DPM Verifier ensures test setup repeatability by:
The DPM Verifier user interface provides simplicity, from setup through report generation. The setup provides simple configuration of all metrics … simply check a box to select the desired metric. A clear visual indication
of grading and pass/fail results of ISO 15415, AS9132, ISO 16022, and Cognex Supplemental metrics is provided. And, a formatted mark quality report that presents all metrics and pass/fail results is automatically generated; this is ideal for communicatingresults. It all adds up to easy
setup, use, application changeovers, and report generation!
The Cognex DPM Verifier allows verification against the metrics of multiple code standards and the selection of specific grading metrics from each standard for mark quality assessment applications.
In addition to verifying codes against all industry standards, the Cognex DPM Verifier includes Cognex supplemental metrics for additional verification capabilities. Supplemental metrics allow process control feedback on mark attributes that impact the reliability of the mark.
The output user interface provides a clear visual presentation of grading and pass/fail results. A scaled vertical track allows precise and repeatable test setups.
Industry Standards: Quality Assessment Metrics
Industry Standards: Application Standards
The Cognex DPM Verifier also ensures complete MIL-STD compliance by validating the data contained in the mark. The system checks both syntax and semantics, returning the Data Qualifier type, Construct type, encoded data fields and even the concatenated UID.
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