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read the entries in order and process them in order

Created by: turan28 at: 4/22/2021 1:18 AM (5 Replies)

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4/22/2021 1:18 AM	Rate (0)
turan28 Posts: 4 Rating: (0)	Hello to everyone There are 5 pools and 1 pump feeding these pools. A separate piping goes to each pool from this pump, and each pipe has its own valve. In whichever pool the water runs out, the pump is activated and the pool is filled by opening the pool valve. the system will work like this. I want to ask; When 3 of the pools want water, for example, if the first pool, then the third pool, and then the second pool want water, how can I evaluate these signals in turn. That is, I want the system to fill the 1st pool, then the 3rd pool and then the 2nd pool. Even if any of them is the pool that is emptied while it is being filled, it will still be queued and the system will continue to operate in this way. how can i do this program with tia portal? sorry for my bad english.
turan28 Posts: 4 Rating: (0)	Last edited by: turan28 at: 04/22/2021 01:21:30
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4/22/2021 11:31 AM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 10/18/2024 Posts: 1921 Rating: (136)	Hello turan28, I recommend to use the FB "LGF_FIFO" (First-In-First-Out) in this case. This FB you will find in the library of general function. The download and the description you will find under the link. Library of general functions (LGF) for SIMATIC STEP 7 (TIA Portal) and SIMATIC S7-1200 / S7-1500 https://support.industry.siemens.com/cs/ww/en/view/109479728 With best regards Cicero

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4/22/2021 12:06 PM	Rate (0)
turan28 Posts: 4 Rating: (0)	hello Cicero; Couldn't find the library for tia portal v13 thank you for your answers.
turan28 Posts: 4 Rating: (0)
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4/22/2021 12:21 PM	Rate (0)
turan28 Posts: 4 Rating: (0)	turan28 hello Cicero; Couldn't find the library for tia portal v13 thank you for your answers. I found and downloaded now i need to figure out how to use it :) Could you please share an example of its use if I request? Or, if you are available, can you make me understand by writing the program I want?
turan28 Posts: 4 Rating: (0)	Last edited by: turan28 at: 04/22/2021 12:33:40
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4/22/2021 12:21 PM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 10/29/2024 Posts: 705 Rating: (76)	Hello, The harder way to do prioritys by own programing. and then every time time you have priority fill up 1-st pool, 3-th pool, 2-th poll...
	Last edited by: Mr.V at: 04/22/2021 12:56:24 Last edited by: Mr.V at: 04/22/2021 13:02:01
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4/22/2021 12:36 PM	Rate (0)
turan28 Posts: 4 Rating: (0)	Mr.V Hello, The harder way to do prioritys by own programing. and then every time time you have priority fill up 1-st pool, 3-th pool, 2-th poll... hello; priority will change each time. Whatever pool I want is to fill first if it sends the first empty signal.
turan28 Posts: 4 Rating: (0)
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