Archive for the ‘LabVIEW’ Category
Operations en Masse
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The things that I used to do… En masse is a French term meaning “as a whole” or “all together”; treating a group of something as a single unit. LabVIEW has the ability to treat arrays this way, which can greatly reduce your workload.
Delays, delays, delays
Can’t you signals just work together? Usually, in a data acquisition program, all the signals you measure are “live”, meaning they represent the current conditions at the time they are sampled. However, in some cases you might have some signals which are not live, but
About Type Definitions
The types, they are a-changin’ LabVIEW beginners often either don’t know about type definitions, or don’t appreciate their value. This article will attempt to explain their use and how they can save you boatloads of time and effort. Suppose you have a cluster of items
An Analog Clock (first version)
Sometimes all that digital stuff is just too bland. If you want to display a time-of-day clock in LabVIEW, it takes three seconds to plop down a TIMESTAMP indicator, and 10 more seconds to enter ADVANCED EDITING mode, and skip the month, day and year,
State of the Machine
Handle command sequences for one or a thousand devices the same way. In dealing with external devices, there are often command sequences that require coordination between the host computer and the device. For example, a recent project of mine involved a TCP connection to (gas
The Terminator
Make sure that quitting time is followed by happy hour. Generally, you don’t do anything special in a LabVIEW program to quit; when it runs out of things to do, it terminates. (Quite clever, that). Your program has a loop waiting on the user to
Where Am I?
Use a tool to find yourself. When your program is large enough to have multiple folders to store files in, or read them from, then you have to know, or find, where those folders are. Asking your users to create those folders will surely raise
Hybrid Data Files
Combine BINARY and DATALOG files for the best of both worlds. In LabVIEW, there are three kinds of files: TEXT files. Ordinary text, stored in human-readable form, with spaces and line feeds, etc. BINARY files. Raw information stored as machine-readable information. A 32-bit integer is
A Beginner's Guide to TCP-IP
Talk amongst yourselves. I guess this Internet thing is here to stay, huh? It can be daunting at first, what with looking at the complexities of a web page and the realization that banks use it to launch nuclear missiles and the military can conduct
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