Using PACs and PLCs for Data Acquisition, Logging & Analytics

Modern and powerful PLCs and PACs can perform many of the data acquisition functions formerly reserved for SCADA, PC-based, and other control systems.(Source: AutomationDirect)
Modern and powerful PLCs and PACs can perform many of the data acquisition functions formerly reserved for SCADA, PC-based, and other control systems.
(Source: AutomationDirect)

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Re: What are you taliking about?
OLD_CURMUDGEON   11/5/2013 10:41:39 AM
NOT sure what your specific complaint is about.......  Seems to me that MOST, if NOT all, of the acronyms used in this article ARE defined within the article.

PAC: Programmable Automation Controller ..... MORE advanced & capable than a PLC.

PLC: Programmable Logic Controller ....... modern-day substitute for a cabinet full of physical relays, timers, cam-switch controllers, etc.

PC:  Personal Computer..... NOT invented by, BUT certainly popularized by I-B-M in the early 1980s.

CSV: Comma Separated Variables: a physical (& logical) method of separating data items in a file to be read & used by external computer programs.

I-B-M:  The common business name for INTERNATIONAL BUSINESS MACHINES, INC., headquartered in NYS.

NYS: New York State..... One of the 50 states of the United States of America.

Hope this explains it for you....

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Data Acquisition and Analytics
apresher   9/25/2013 3:08:03 PM
TJ, I agree with you that these capabilities have been around for awhile, and actually go way back further than the introduction of PACs. Making it easy to collect information is one step, and also for users to gain confidence that the machine controller has both the processing power and flexibility to do multiple tasks without creating problems with machine control.

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What are you taliking about?
szyhxc   9/25/2013 9:04:33 AM
First time voicing a frequent complaint:

Too many undefined acronyms.  You lost me.

TJ McDermott
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The ability has been there for a while
TJ McDermott   9/24/2013 1:40:43 PM
The ability to use a PAC/PLC for data logging has been there for a while - the trick has been to provide enough memory to store that data, and then extract it in a meaningful manner.


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