Author Archives: LV_TS_Test_Engineer_3000_VI

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Automated Test Equipment Software

NI-FPGA and Examples.

Have you selected National Instruments FPGA 78XXR series board or CompactRIO chassis/module for your solution? Look at the following site to get ideas on how others have solved an opportunity using RIO FPGA. Search for FPGA function and examples at the National Instruments(r) … Continue reading

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Ran out of Analog Ports on your 78XXR series board

Ran out of  Aanlog Ports on your NI 78xxR series board and have one unused DIO connector?   No problem. Condiser the following option.   If you run out of Analog ports on you FPGA 78xx R series boardconsider an … Continue reading

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Software and Revision

During the course of your software task you will need a way to keep track of offical release of your software’s revision.   Fortunely their are applications which help in this area.   These applications use a check-in  check-out  procedurce … Continue reading

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Resolution, Accuracy and Calibration

First, resolution and accuracy  are not the same.   An 6Digit meter gives no indication of its accuracy , for all you know a 5digit meter may be more accurate then the 6digit meter. accuracy has a connection to a calibration … Continue reading

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USB-6008 and LabVIEW SignalExpress

Subject: NI Low Cost USB-6008 with "LabVIEW SignalExpress LE" (not LabVIEW)   If you look at the USB-6008 spec on NI site (Keep in mind that the analog outputs are  software timed =set Signal Value at a time).  This will … Continue reading

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Software Architecture

To show how the various major software components will interact create a Software Architecture.   Add the major block from tools that will be used for implementation to the actual hardware that needs to be controlled.   Below is one … Continue reading

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Panel Enclosure and AC

At times you will need to add an AC interface to you panel’s enclosure.   One such interface is the IEC type sockets and plugs. Consider those with AC line filtering built in.   The sockets come in  flange mount and … Continue reading

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First Time LabVIEW User Dont and Do

Are you a first time LabVIEW   Dont Do not use one loop for your top level application requiring user interaction.   Do Do Use a event/queue(producer / consumer) loops ====================================   Dont Do not use infinity  controls input crossing your structure … Continue reading

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Need to make a PCB(Printed Circuit Board)

Sometime you need to make a PCB for your in-house test station/enclosure and your facility does not have a PCB dept to address your needs.   (Hopeful you have already checkout that no vendor has what you need, so you dont have to create something from scratch.) … Continue reading

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Outside – Inside Connectivity

Many instances you will need to connect to common interfaces(USB,GPIB,ENET,RS232).   Bulkhead are connectors interface made to allow station’s internal cable/connector access to outside connector/cable. Bulkhead are typically mounted on 19in rack panels    Box /Panel mount connector are another method to allow interface to the test station from … Continue reading

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