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Retainong tag

Created by: Pastorek_06 at: 3/3/2025 6:34 AM (7 Replies)

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3/3/2025 6:34 AM	Rate (0)
Pastorek_06 Joined: 1/7/2025 Last visit: 3/29/2025 Posts: 19 Rating: (0)	Hello, culd any one help me. i am triing to set curten tags (int) to retain their value after shuting down the power. I think it shuld be done ower the chackbox with Retain next to it, but i canot click on it. do i nead to allow something first? Or is the problem somewhere else? (I am using TIA 17 and PLC 1215C)

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3/3/2025 7:23 AM	Rate (0)
StalinCode Member Joined: 5/18/2022 Last visit: 12/10/2025 Posts: 74 Rating: (1)	GM AutoGen_1138517, Can you send us an screenshot?
	If this Information really helps, please let me know by rating me :)
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3/3/2025 7:32 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/7/2026 Posts: 4493 Rating: (644)	Hi, I guess you have Instance-DB of FB - so you must set retain properties in the declaration of FB. Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
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This contribution was helpful to 1 thankful Users StalinCode

3/3/2025 8:59 AM	Rate (0)
Pastorek_06 Joined: 1/7/2025 Last visit: 3/29/2025 Posts: 19 Rating: (0)	Of corse, here it is. those in circle are those i wuld want to retain (after shuting off or unplugin the PLC from power) Attachment tags.png (145 Downloads)

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3/3/2025 9:03 AM	Rate (0)
Pastorek_06 Joined: 1/7/2025 Last visit: 3/29/2025 Posts: 19 Rating: (0)	I am new in using a TIA portal soo i dont realy know what are you saing. But i am not using any DB. I wuld want to retain the walue writen in tag. Sorry if i missunderstod.

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This contribution was helpful to 1 thankful Users Towome

3/3/2025 9:04 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/7/2026 Posts: 4493 Rating: (644)	Hi, goto to PLC tasgs / show all tags and use Retain symbol. Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
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3/3/2025 9:08 AM	Rate (0)
Pastorek_06 Joined: 1/7/2025 Last visit: 3/29/2025 Posts: 19 Rating: (0)	Thank you wery mutch. As i sad i am new, and stil learning, so srry for sutch primitive question. and thanks a lot again :-) .

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3/3/2025 9:40 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/7/2026 Posts: 4493 Rating: (644)	Hi, no problem - The function is somewhat hidden...If you are new, I can recommend this: TIA Portal - An Overview of the Most Important Documents and Links - Controller Regards, Towome
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This contribution was helpful to 1 thankful Users 0_Einstein

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