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Function Retain

Created by: Matheus Azevedo at: 6/7/2013 2:42 AM (3 Replies)

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6/7/2013 2:42 AM	Rate (0)
Matheus Azevedo Member Joined: 6/7/2013 Last visit: 6/17/2013 Posts: 2 Rating: (0)	hello all, I have a problem to retain a value in the HMI screen. I have a parameter called "temperature = (value)" and another for "Humidity =" (value) ", but when the system shuts down or have a power outage in the sector, the value specified in the" temperature and humidity. "Not are registered. therefore have to put back the value. I have a "PLC tag" named SPT = SET POINT temperature and SPU = SET POINT humidity, which try to retain them, but I can not just these two items. Whenever you use the "retain" it selects other tags together. How do I retain only those values? Thank you and I await answers ..

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6/7/2013 9:45 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 12/11/2018 Posts: 7158 Rating: (832)	Hello Matheus Azevedo, Perhaps you can give us a hint, which CPU you are using? And the version of software. Best regards, Wizard

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6/7/2013 12:16 PM	Rate (0)
Matheus Azevedo Member Joined: 6/7/2013 Last visit: 6/17/2013 Posts: 2 Rating: (0)	I'm using Siemens S7 1200 - version 2.2 Best Regards,
	Last edited by: Matheus Azevedo at: 6/7/2013 12:19 PM
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6/11/2013 2:24 PM	Rate (0)
Tweety Platinum Member Joined: 9/5/2011 Last visit: 5/7/2014 Posts: 3037 Rating: (181)	Hello, https://www.automation.siemens.com/mdm/default.aspx?DocVersionId=41524141835&Language=en-US&TopicId=32402676363 Tweety

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