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fifo buffer and block move

Created by: playerslight at: 4/27/2012 7:44 PM (14 Replies)

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4/27/2012 7:44 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	I created a udt of the data that i need to move in a fifo buffer 25 words time 20 occurences . I want to use a loop in stl to move the data but i can figure out how to indirect address the move parameters or if it is even possible .this is going in a data collector (s7-400) and willl recieve data from approx 150 plc'sand the most effiennt way is indirect addressing and run loops .s o any ideas will help Thank you in advanca
playerslight Posts: 1064 Rating: (72)
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4/27/2012 9:22 PM	Rate (0)
IBN-Service Posts: 8946 Rating: (1000)	Build a pointer to supply SFC20 is very easy, do you need an example?
IBN-Service Posts: 8946 Rating: (1000)
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This contribution was helpful to 1 thankful Users U_b8129835-b6ff-4...

4/27/2012 9:37 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	I can do the pointer as i had it working last night for 1 block move What i was trying to do is loop through the 20 calls . all data is in 1 data block instead of calling the blockmove 20 time i wanted to loop it . so what i need to do is use a temp variable for the datablock and a temp variable for the pointer so i can make function called by a loop for the 150 different data blocks and 20 udts in each function .i did have working using load and transfer but with 20 elements for 5 element but for 20 the function is just to big and had to follow and prone to mistakes
playerslight Posts: 1064 Rating: (72)	Last edited by: playerslight at: 4/28/2012 12:32 AM Last edited by: playerslight at: 4/27/2012 9:40 PM
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4/27/2012 9:59 PM	Rate (2)
IBN-Service Posts: 8946 Rating: (1000)	playerslight ... so what i need to do is use a temp variable for the datablock and a temp variable for the pointer ... Have a look at the attached example.
IBN-Service Posts: 8946 Rating: (1000)	Last edited by: IBN-Service at: 4/28/2012 8:46 AM remove attachement
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This contribution was helpful to 4 thankful Users playerslight SudhirS Arnaugir AutoGen_351180

4/28/2012 12:19 AM	Rate (0)
playerslight Posts: 1064 Rating: (72)	Thank you very much that is perfect I will try it tonight and let you know
playerslight Posts: 1064 Rating: (72)	Last edited by: playerslight at: 4/28/2012 12:20 AM
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4/28/2012 8:33 AM	Rate (0)
playerslight Posts: 1064 Rating: (72)	Works great and again thank you
playerslight Posts: 1064 Rating: (72)
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This contribution was helpful to 1 thankful Users IBN-Service

4/28/2012 8:37 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (1000)	playerslight Works great and again thank you You are welcome!
IBN-Service Posts: 8946 Rating: (1000)
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8/23/2012 9:23 PM	Rate (0)
Urantia Experienced Member Joined: 10/23/2009 Last visit: 7/29/2025 Posts: 118 Rating: (0)	Hi IBN-Service, Could you please attached the example again. Thanks in advance. Regards!

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9/26/2012 1:42 PM	Rate (0)
SudhirS Member Joined: 4/2/2012 Last visit: 9/23/2014 Posts: 7 Rating: (0)	Hi, I am happy to see good discussion between you. I also would like to see the Attached Example. Could you please attach the file of an Example ?

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9/26/2012 6:43 PM	Rate (2)
IBN-Service Posts: 8946 Rating: (1000)	Please find attached the example again. It is ingerman language, but perhaps somebody do some translation to english? regards, Jürgen
IBN-Service Posts: 8946 Rating: (1000)	Last edited by: IBN-Service at: 2/26/2016 7:54:20 PM
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9/27/2012 10:59 AM	Rate (1)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, English version attached Regards, Marcjan Attachment pointer_e.zip (1399 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 3 thankful Users vanDyk IBN-Service avtel

6/30/2013 3:05 PM	Rate (0)
bmaynard06 Posts: 2 Rating: (0)	Thanks for your help IBN Services (and Marcjan for translating), this works great! I have to admit my STL programming is weak, but i'm looking to modify the function to be able to move bytes of data instead of words. Would it be possible to help or point me in the right direction? Thanks in advance!
bmaynard06 Posts: 2 Rating: (0)
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6/30/2013 5:36 PM	Rate (0)
bmaynard06 Posts: 2 Rating: (0)	Nevermind, through trial and error I was able to achieve it! It took me a while to realize i just needed to change the B#16#4 (word) to B#16#2 (byte) haha!
bmaynard06 Posts: 2 Rating: (0)
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This contribution was helpful to 1 thankful Users CMaske85

10/31/2017 4:06 PM	Rate (0)
ApiSrl Posts: 5 Rating: (0)	Can I get the example, please
ApiSrl Posts: 5 Rating: (0)
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11/2/2017 10:40 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (1000)	ApiSrl Can I get the example, please look at marcians post 9/27/2012 10:59 AM
IBN-Service Posts: 8946 Rating: (1000)
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