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indirect addressing

7/4/2008 1:13 PM	Rate (0)
Roby Gold Member Joined: 4/10/2006 Last visit: 12/3/2025 Posts: 963 Rating: (2)	Hallo I have a DB that contains 100 word from DB10.DBD0 to DB10.DB396, all real. I have to transfer a word, which changes every second, DB es: the first seconds: DB80.DBD26 -> DB10.DBD0 thesecond seconds: DB80.DBD26 -> DB10.DBD4 the third seconds: DB80.DBD26 -> DB10.DBD8 . . . to one hundredth second: DB80.DB26 -> DB10.DBD396 can I use indirect addressing? how can direct word of the db, increasing only a pointer? Thank you Roby
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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7/4/2008 3:36 PM	Rate (1)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/16/2026 Posts: 9105 Rating: (1204)	Hello Roby, Have you seen these faq's: http://support.automation.siemens.com/WW/view/en/24521797 http://support.automation.siemens.com/WW/view/en/19345564 Perhaps they are usefull Best regards, Wizard

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7/4/2008 4:54 PM	Rate (1)
Denilson Pegaia Diamond Member Joined: 9/23/2005 Last visit: 1/16/2026 Posts: 4449 Rating: (1487)	Hi, sometime I worte a FAQ about FIFO, LIFO, etc. It was approvad but not yet published. take a look at the draft version: Attachment STEP 7 Staker.zip (448 Downloads)
	Denilson Pegaia Siemens Industry Sector Technical Support
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7/8/2008 11:06 AM	Rate (1)
trigger Posts: 16 Rating: (1)	Hi, It is very easy and useful to work with pointers such as: A pulse_1s //transfer only every second JCN END L MD14 SLD 3 shifted by 3 to address the byte/word etcnot bit T MD10 L DB80.DBD26 OPN DB10 //open DB10 for indirect addressing T DBD[MD10] //transfer to the address defined by the L MD14 //number in MD10 inside the DB +R //incremented by 4 to address the next DBD T MD14 END: NOP 0
trigger Posts: 16 Rating: (1)	Last edited by: trigger at: 7/8/2008 11:08 AM
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7/8/2008 2:29 PM	Rate (0)
Roby Gold Member Joined: 4/10/2006 Last visit: 12/3/2025 Posts: 963 Rating: (2)	ok you were all very kind .... thanks a greeting to all of you Roby
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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