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indirect addressing and cross reference

Created by: poya_xp at: 7/8/2011 8:24 PM (8 Replies)

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9 Entries

7/8/2011 8:24 PM	Rate (0)
poya_xp Posts: 167 Rating: (4)	hi. i have a problem in one project that i try to find some peripheral input that exist physically and in HWconfig but i can not find it in cross reference. may be there is a lot of things that cause this or may be not.if some one knows some thing i appreciate in advance to help me and let me know those things. and if this related to indirect addressing , how can i find it in program and is thereany way or not tanx
poya_xp Posts: 167 Rating: (4)
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7/8/2011 8:54 PM	Rate (0)
Marciano Bronze Member Joined: 4/30/2007 Last visit: 3/9/2023 Posts: 231 Rating: (23)	Hi poya_xp The only reason I can see for you not been able to see an existing address is becauseeither it is not being used or because usingIndirect addressing(Indexed Access to the Memory of the CPU), and unfortunately only absolute addressingdisplays in the Cross reference.

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7/8/2011 9:36 PM	Rate (0)
poya_xp Posts: 167 Rating: (4)	hi marciano. you mean that i must search all FCs to find the input that i looking for or there is a way to find it? if i should search all FCs i have a hard work because the program is uploaded from cpu.
poya_xp Posts: 167 Rating: (4)
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7/9/2011 4:06 AM	Rate (3)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 11/11/2024 Posts: 3026 Rating: (1057)	Hello poya_xp I suggest you create a source file of all blocks to begin with. To do so, open any block(e.g. OB1), go to the File menu,select "Generate Source", choose a name for the source file (e.g. "All_Blocks"), select all Blocksand click on OK. Thereafter, open the source filewhich will now allow you to do a text based search through the whole program for all the indirect addressing related usual suspects (e.g. terms like "AR1", "AR2", "[", "]", "P#" etc.). If you know theI/O address, you may also want to search for the INT address number of the peripheral input(e.g. 128 if it is PIW128) as well as the HEX address number(e.g. 80 if it is PIW128) in case this is used for example as a parameter for an FC. I hope this helps and please let us know what youfind.
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 2 thankful Users poya_xp VVago

7/9/2011 8:02 PM	Rate (0)
poya_xp Posts: 167 Rating: (4)	Hi fritz i did what you said and it was so useful. i found the favorite PIW by searching "PIW" in the generated source. and i really appreciate your cooperation and i always learned a lot from you and your posts in forum. tanx
poya_xp Posts: 167 Rating: (4)
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This contribution was helpful to 1 thankful Users fritz

4/9/2014 8:33 PM	Rate (0)
VVago Posts: 784 Rating: (52)	fritz I suggest you create a source file of all blocks to begin with. To do so, open any block(e.g. OB1), go to the File menu,select "Generate Source", choose a name for the source file (e.g. "All_Blocks"), select all Blocksand click on OK. Hello, Could you explain again using screen shots? When I create the source file,I can't open it without appearing any error"the screen hang" . Best regards........
VVago Posts: 784 Rating: (52)
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4/9/2014 9:24 PM	Rate (0)
poya_xp Posts: 167 Rating: (4)	Hi Please follow the pictures by number. just please pay attention that must type a name for source in pic no.2 and in pic no.3 select the FCs that you want to search inside regards Attachment Source.zip (482 Downloads)
poya_xp Posts: 167 Rating: (4)
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This contribution was helpful to 1 thankful Users VVago

4/13/2014 10:08 PM	Rate (0)
VVago Posts: 784 Rating: (52)	Hello,Hello, How can we search for certain indirect address in the source file by simple method? Best regards.......
VVago Posts: 784 Rating: (52)
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4/14/2014 8:11 AM	Rate (0)
poya_xp Posts: 167 Rating: (4)	Hi By this method all the functions change to source file as simple text and you can search the text inside editor of simatic manager or copy them to a text file and search it in windows OS text editors. Best regards, Poya_xp
poya_xp Posts: 167 Rating: (4)
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This contribution was helpful to 1 thankful Users VVago

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