Other Posts

  • 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 to track: Date of changes Who made a change. Why was a change made. Current… Read more

  • 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 standard. How good can this meter report true 1Volt dc for example ?   To… Read more

  • 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 prevent you from using SignalExpress to doing Continuous or NSamples on the outputs(which require a hardware… Read more

  • 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 such example.  Flow arrow should be added to show relationship.   LabVIEW and NI-TestStand are  National… Read more

  • 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 snap mount types.   For more information on these type of connector refer to: http://en.wikipedia.org/wiki/IEC_connector… Read more

  • 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 all over the place.   Do Do Consider clustering related information , ex Test Configuration… Read more