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Adding User Authentication to Your LabVIEW Project

Posted in LabVIEW Programming, Test and Measurement, Test and Measurement Automation

Most industrial applications require user access levels to protect sensitive information, protect equipment, or to log specific events with the current user. These access levels hold true for test and measurement applications as well. For this reason, DMC developed a set of independent VI’s that can be integrated into any project to add user access levels. The different levels can then be utilized to control the program’s available functionality based on the user logged in.

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Customizable UI in DMC's Flex Framework

Posted in Data Analysis, Data Mining, and Reporting, LabVIEW Programming, Test and Measurement, Test and Measurement Automation

DMC’s Flex Framework is a powerful tool that improves our development time for complex projects, and it provides our clients with access to an abundance of functional code modules. Projects have the potential to utilize our DMCquencer logic, User Access Level logic, module grid viewer, and many other code modules. One pitfall for large and complex project frameworks is that they come with a predesigned and constrained User Interface (UI) that the new project must also adopt. The result is an...

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Flexible Logging with the LabVIEW Results Manager

Posted in Data Analysis, Data Mining, and Reporting, LabVIEW Programming, Test and Measurement, Test and Measurement Automation

The LabVIEW Results Manager is a highly flexible logging module that can easily create, grade, and log test measurements and save them to locations ranging from a web database to CSV text files.

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Efficient Configuration Management with Flex Framework

Posted in LabVIEW Programming, Test and Measurement Automation

A common challenge tackled by test systems is effective configuration management. Consider even a simple power supply. There may be configurations to ensure that the device is talking at the right Baud rate over the correct communications port. There are communication protocol configurations to ensure that the right messages are being sent for this model of power supply. There are also test configurations to ensure that the power supply ramps up and down to the required voltage...

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Automatic and Manual Automation Modes in DMC’s Flex Framework

Posted in LabVIEW Programming, Test and Measurement Automation

As an engineering consulting company, DMC often works with clients to automate their manufacturing or testing processes. One frequent challenge is how to provide diagnostic tools and capabilities for engineers while providing a simple, one-click testing solution for operators on the same test station. DMC’s Test and Measurement team has a common toolchain called the Flex Framework. A group of automation modes (namely a ‘"Manual" Mode and an "Automated" Mode)...

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Bed of Nails PCB Functional Test System, Automotive Gauge Cluster Controller

Posted in Automated Test Stand Design, Automotive, Embedded Systems, LabVIEW Programming, Product Development, Product Development, Test and Measurement

Printed Circuit Board (PCB) functional testing is a critical process in electronics manufacturing. Embedded PCB devices are becoming ubiquitous in products, provide intelligence to everything from basic consumer goods to complex industrial equipment. DMC delivered a turn-key, dual fixture (2-up) PCB Functional test system to help our client validate a new product. Backed by a National Instruments test stand, DMC applied LabVIEW test code and sequencing to automate the production testing...

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8-UP ECU Flashing Station

Posted in Automated Test Stand Design, Data Analysis, Data Mining, and Reporting, LabVIEW Programming, LabVIEW Vision Application Development, Test and Measurement, Test and Measurement Automation

Electronic Control Units (ECUs) are embedded modules that perform a wide range of essential functions within modern vehicles.  ECUs run firmware (embedded software) that gives ECUs their “intelligence” and governs their behavior and capabilities. The process of installing or updating this firmware on an ECU is commonly referred to as “flashing”. ECU Flashing is an essential process that transforms ECU hardware into a fully functional controller prior to being...

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PLC5 and Wonderware to SIMATIC ET200 CPU and LabVIEW Upgrade for HVAC Test Chamber

Posted in Allen Bradley PLC Programming, Automotive, HMI and SCADA Systems, LabVIEW Programming, Manufacturing Automation and Intelligence, PLC Programming, Siemens S7 PLC Programming, Siemens SIMATIC PCS7 Programming Services, Test and Measurement Automation, Wonderware Programming

DMC worked with an automotive manufacturer to upgrade their HVAC test chamber controls from an outdated system that utilized an Allen Bradley PLC5 PLC with a Wonderware HMI. DMC's solution converted the test sequence controls and user interface to a LabVIEW application and the device controls to a SIMATIC ET200 CPU to align with other test chambers in their facility.  This project was a great opportunity for DMCers all around to work together as we collaborated across our Manufacturing...

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The DMC Multi-Protocol CAN Logger

Posted in Data Analysis, Data Mining, and Reporting, J1939 LabVIEW Drivers, LabVIEW Programming, TDMS File Viewer, Test and Measurement, Test and Measurement Automation

DMC has many clients who require simultaneous logging of all CAN traffic on a number independent of interfaces, so we designed a Multi-Protocol CAN Logger (MPCL) that can operate stand-alone or integrate with existing systems.

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Flexible Automated Test System with DMCquencer

Posted in Custom Software and Hardware Development, LabVIEW Programming, Test and Measurement Automation, Web Application Development

DMC developed a flexible automated test suite for performing electrical tests on a variety of data logging devices and sensors. The software was based on DMC’s reusable test framework called the “DMCquencer,” which allows the client’s engineers to configure their own test sequences without requiring programming knowledge. A SQL database logs the test results. The results are then reviewed in a custom web application developed in ASP.NET Core. The web application also provides...

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IoT Remote Monitoring and Control with LabVIEW and Microsoft Azure

Posted in Internet of Things (IoT), LabVIEW Programming, Microsoft Azure Cloud Solutions and Services, Test and Measurement Automation

DMC offers an IoT solution for monitoring remote data using National Instruments LabVIEW, CompactRIO, and Microsoft Azure IoT.    This platform provides a comprehensive IoT solution with data collection, analysis, action, and insight. Data is collected with NI's cRIO platform, offering high-speed data acquisition with a variety of real-world sensors. The cRIO also performs edge analytics, with onboard configurable analysis running on LabVIEW Real-time and FPGA. Action is enabled at the...

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LabVIEW Application for End-of-Line Laser Measurement Inspection

Posted in Automotive, LabVIEW Programming, Test and Measurement, Test and Measurement Automation

DMC developed an end-of-line (EOL) quality testing system for a client in the automotive industry using National Instruments LabVIEW. The system used Keyence Laser Displacement Sensors to perform a non-contact measurement of friction disks.

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US Air Force Landing Gear Test Facility (LGTF) – Aircraft Tire Dynamometer

Posted in Aerospace, Defense Contracting, LabVIEW Programming, Test and Measurement, Test and Measurement Automation

The Landing Gear Test Facility (LGTF) at Wright Patterson AFB's mission is to provide Research Development Test and Evaluation for aircraft safety and sustainment through world-class full scale test and evaluation of aircraft launch & alighting hardware (struts, wheels, brakes, tires, anti-skid, etc.). LGTF operates a large-scale, one-of-a-kind dynamometer for testing a range of commercial and military aircraft tires. The dynamometer evaluates tire performance and wear characteristics...

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Automated Vision Inspection of Chemical Droplets

Posted in LabVIEW Programming, LabVIEW Vision Application Development, Pharmaceutical & Medical, Test and Measurement, Test and Measurement Automation

DMC developed a machine vision inspection system to measure the size and position of chemical reagent droplets on a medical device. The customer added fluorescein to the chemical reagent so that the drop would fluoresce under certain lighting conditions. DMC’s software compared the drops’ sizes and positions to acceptable criteria and generated a pass/fail result. Data and images for each inspection was logged for later traceability.

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