Status Overflow - PLCS.net

FSPT_Tech · January 26th, 2007, 04:29 PM

I'm trying to understand certain programming functions using RSLogix 500 software. Can someone give me examples of how an S:5/0 (Math Overflow) Status file can be used in a ladder logic andexplain what its suppose to do. I'm not sure I fully understand its function.
Thanks.

rdrast · January 26th, 2007, 05:14 PM

Well, it indicates that an overflow has occurred. That can be many things, including a divide by zero somewhere, or multiplying two integers and trying to put the result into an integer (20,000 * 20,000) would overflow an integer.

Ron Beaufort · January 26th, 2007, 05:55 PM

click here ... if this doesn't answer all of your questions, please post again ... I'll be glad to give it another shot ...

note: the forum went through an upgrade awhile back ... the "attachment" picture is still there - it's just been relocated to the bottom of the post ...

FSPT_Tech · January 26th, 2007, 08:49 PM

Quote:

Originally Posted by Ron Beaufort

click here ... if this doesn't answer all of your questions, please post again ... I'll be glad to give it another shot ...

note: the forum went through an upgrade awhile back ... the "attachment" picture is still there - it's just been relocated to the bottom of the post ...

Thank a lot Ron. You explained everything in an easy and patient manner for all us "beginners". I appreciate sharing your knowledge and advice. I now seem to get a good grasp of the idea of the overflow concept. Your reply helped tremendoulsy. Thanks to you also, rdrast, for your reply. Thanks again fellas and God Bless!

January 26th, 2007, 04:29 PM	#1
FSPT_Tech Member Join Date: Jan 2007 Location: Compton, CA Posts: 42	Status Overflow I'm trying to understand certain programming functions using RSLogix 500 software. Can someone give me examples of how an S:5/0 (Math Overflow) Status file can be used in a ladder logic andexplain what its suppose to do. I'm not sure I fully understand its function. Thanks.

January 26th, 2007, 05:55 PM	#3
Ron Beaufort Lifetime Supporting Member Join Date: Jul 2002 Location: Charleston, SC Posts: 5,698	click here ... if this doesn't answer all of your questions, please post again ... I'll be glad to give it another shot ... note: the forum went through an upgrade awhile back ... the "attachment" picture is still there - it's just been relocated to the bottom of the post ... __________________ 2-B ? Best regards, ----+----] [----+------------( )---- Ron \| \| PLC Boot Camp - Retired \| 2-B \| +----]/[----+ I once was lost, but now am found, was blind, but now I see.

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January 26th, 2007, 05:14 PM	#2
rdrast Lifetime Supporting Member Join Date: Apr 2003 Location: South Carolina Lowcountry Posts: 5,540	Well, it indicates that an overflow has occurred. That can be many things, including a divide by zero somewhere, or multiplying two integers and trying to put the result into an integer (20,000 * 20,000) would overflow an integer.

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