Internet PLC Forum

General => General Discussions => Topic started by: r9lhm on May 05, 2003, 11:00:03 PM

Title: The different between PLC and PC ?
Post by: r9lhm on May 05, 2003, 11:00:03 PM

PLC and PC is used to control a machine.
So, what is different between PLC and PC ?

Please, help me. Thanks.

Title: Re: The different between PLC and PC ?
Post by: FernanDoylet on November 12, 2003, 09:03:47 AM

PLC software may be contained in a PC or in a standalone piece of hardware; either way, the panel(s) where all the wires are connected to energize or deactivate switches or timers or else, should be industrial quality or custom made; a possible application of the PC version of the software is included in the following article...

Paper Presentation:
"Applying the Control Programming Standard IEC 61131-3 to Software Engineering"

Posted at: http://www.doylet.org/docs/simula.doc

Abstract:
Preparing periodic batches to run updates or get reports from mainframes, requires a good understanding of the requirements of each component, to avoid the cancellation of any batch process and its resulting lost of time and resources.  To improve that understanding, an industrial Programmable Logic Controller (PLC) was set to simulate a batch process; the industrial components included in the existing tutorial, were used based on their functionality, as equivalent software components.

Note:
If you publish this article elsewhere, or use it as a reference, please send me the details to FernanDoylet@yahoo.com or reply to this post.

Title: Re: The different between PLC and PC ?
Post by: plc dude on December 09, 2003, 05:25:09 AM

Programable logic controller & personal computer
A PLC will run without a PC, it has it own CPU.

To controll with a computer you would need a daq card and leave the computer running.