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TripppleP
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Join Date: Dec 2010
Location: Montreal
Posts: 75

Toshiba PLC program. XW001 TMOV[2] W0062

01/18/2013 12:27 PM

Hi! Me again...

This time I have a problem to understand why according to the statement above, W63 is not the same as XW2? At a point of time the reading value of XW2 was 20479 and W63 was -04097, in binary this mean all the LSB until C and E were the same, D and F were opposite. I have to mention that i am an old guy who self taught PLC programming with painfully and timely reading and headache. I did not understand all about integer, floating point and the rest of that kind of stuff. If someone would give me a direction to look at, it will be appreciated.

Thank you for reading, anyway.

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peterd
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Join Date: Dec 2005
Location: Willenhall, UK
Posts: 159
#1

Re: Toshiba PLC program. XW001 TMOV[2] W0062

01/21/2013 9:21 AM

Cannot find my Toshiba notes at present but I seem to remember that TMOV was a transitory move i.e. a one shot move on a rising edge and not continuous move. The 2 registers would only be equal at the moment of transfer.

From another old guy.

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TripppleP
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Join Date: Dec 2010
Location: Montreal
Posts: 75
#2
In reply to #1

Re: Toshiba PLC program. XW001 TMOV[2] W0062

01/22/2013 7:46 PM

Hello, Ok that make sens, but there is no "raising edge" operand it front of the Tmov command. Strange is it not?

Thank you for replying.

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peterd
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Location: Willenhall, UK
Posts: 159
#3
In reply to #2

Re: Toshiba PLC program. XW001 TMOV[2] W0062

01/23/2013 4:19 AM

If there is no conditional contact before the statement then the statement is always active. This probably means that I am wrong and TMOV is 'table move', I was confusing with mitsubishi PMOV which is one pulse move.

Sorry can't be more helpful.

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