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Putting CPU into HOLD State

Created by: Salman^Arshad at: 6/18/2008 6:33 AM (4 Replies)

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6/18/2008 6:33 AM	Rate (0)
Salman^Arshad Posts: 15 Rating: (0)	Hi all, Is there any command to put CPU into HOLD State? I mean when I activate such a command, all operations of CPU should go into HOLD, and when I resume, then all operations should resume from there.
Salman^Arshad Posts: 15 Rating: (0)
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6/18/2008 6:41 AM	Rate (0)
Aret Posts: 2348 Rating: (259)	When you use debug function you can set breakpoints. PLC would be put in the HOLD mode when it reaches breakpoint. You can check ACCU's and registers's contents and resure your programm execution.
Aret Posts: 2348 Rating: (259)
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6/18/2008 7:26 AM	Rate (0)
Salman^Arshad Posts: 15 Rating: (0)	Iwant to pur HOLD in programming. For example during operation, if someone wants to hold every operation.
Salman^Arshad Posts: 15 Rating: (0)
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6/18/2008 2:43 PM	Rate (1)
Aret Posts: 2348 Rating: (259)	Then it's wrong idea:^) You see - PLC must be in RUN mode always (in normal mode). Youneedtomakeprogramm,thatallowspausingonevery TECHNOLOGICALstep - programm must be executed, but without affecting outputs. PuttingPLCinHOLDwillstopIOhandling,errorhandlingandsoon -it'spuredebuggingfunction and definetly not normal operating mode.
Aret Posts: 2348 Rating: (259)	Last edited by: Aret at: 6/18/2008 2:45 PM
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6/18/2008 3:53 PM	Rate (0)
Salman^Arshad Posts: 15 Rating: (0)	yes, u r right
Salman^Arshad Posts: 15 Rating: (0)
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