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| 8/18/2009 8:14 AM | |
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Posts: 49 Rating:
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DEAR ALL, I AM READING s7300_baugruppendaten_en-US MANUAL. IN ONE PLACE IT IS WRITTEN THAT THE NORMAL SCAN CYCLE,  FIRST INPUT STATUS IS WRITTEN IN PRECESS IMAGE OF INPUT, THEN USER PROGRAM EXECUTES, AND AT THE LAST PROCESS IMAGE OF OUTPUT IS WRITTEN TO THE OUTPUT,BUT IN ONE DIAGRAM OF SCAN CYCLE, IT IS ILLUSTRATED THAT, FIRST PROCESS IMAGE OF OUTPUT IS WRITTEN TO THE OUTPUT, THEN PROCESS IMAGE OF INPUT GETS STATUS OF INPUT AND THEN PROGRAM EXECUTES. SO I M CONFUSED ABOUT HOW AND WHEN PROGRAM READS STATUS OF INPUTS AND OUTPUTS. I M ALSO ATTACHING THE SNAPS FROM MANUAL. AttachmentIMAGES.zip (288 Downloads) |
| 8/18/2009 8:57 AM | |
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Posts: 212 Rating:
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Hi Arpit, Please refer manual named as STEP 7 - Programming with STEP 7 at attached link on your PC where Simatic installation is available. C:\Program Files\SIEMENS\Documentation\English Page no. 520/620. Same is attached herewith Which clearly defines change in philosophy of the ipdation of PII and PIQ since 10/98. Its chnage in technology over period of a time. Attachments7pr___b.pdf (380 Downloads) |
| 8/18/2009 9:09 AM | |
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Posts: 49 Rating:
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THANK YOU ABN....... |
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