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DB in Siemens Logo

Created by: ChermyaninAA at: 8/16/2019 8:52 AM (3 Replies)

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8/16/2019 8:52 AM	Rate (0)
ChermyaninAA Posts: 3 Rating: (0)	Hey. Look, if you work in TIA portal / step 7 (LAD language), then you can do this: i00 = 1 -> DB1.Status = 1 => q00 = 1 (DB1.Status _ is a variable in DB1, which is overwritten by pressing the button on PC). Can such DBs be created in LOGO?
ChermyaninAA Posts: 3 Rating: (0)
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8/16/2019 9:01 AM	Rate (2)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/6/2023 Posts: 31561 Rating: (3923)	Hello ChermyaninAA, at first welcome to the forum. The LOGO! knows neither data blocks nor organization or function blocks. For the exchange of data with other controllers, the LOGO! has a special memory area, the VM memory. Will e.g. An S7 reading this data area corresponds to data block 1 in S7. But you can do it in a network project in the LOGO! using the connection list, write directly to other data blocks or read from other data blocks.

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8/16/2019 12:11 PM	Rate (0)
ChermyaninAA Posts: 3 Rating: (0)	Thank you, it seems that is exactly what you need. Do I understand correctly that with this table I can read and write the values of any of the elements of the circuit?
ChermyaninAA Posts: 3 Rating: (0)
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8/16/2019 12:13 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/6/2023 Posts: 31561 Rating: (3923)	Yes, that's correct.

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