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Read time without date S7_1200

Created by: Automation_Rookie at: 5/13/2011 8:27 AM (6 Replies)

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5/13/2011 8:27 AM	Rate (0)
Automation_Rookie Bronze Member Joined: 5/9/2011 Last visit: 9/3/2025 Posts: 71 Rating: (5)	Dear All, I am struggling to create a program where I need to turn something on everyday at the same time. As far as I can see I cannot use the Read System Time because it is in DTL, I need to read only the system Time as I need to run the program everyday. In the manaull I can only see options to Read in DTL format, I need to read the time in Time format. I would appreciate any help. Thanks and regards

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5/13/2011 11:58 AM	Rate (3)
Denilson Pegaia Diamond Expert Joined: 9/23/2005 Last visit: 1/14/2026 Posts: 4447 Rating: (1487)	Hi, I think that the way is to read the DTL. DTL is a struct with each element individually separete (as int): year, month, day, hour, minute, sencond,etc. So you read the DTL but just compare the hour, for example: 1 "MyTime" is defined as DTL 2 In the program you can check if the time is 8h with the block compare and the argument MyTime.hour = 8
	Last edited by: Pegaia at: 5/13/2011 12:00 PM Denilson Pegaia Siemens Industry Sector Technical Support
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This contribution was helpful to 2 thankful Users Tomy Master MrPaiva

5/13/2011 6:39 PM	Rate (0)
Automation_Rookie Bronze Member Joined: 5/9/2011 Last visit: 9/3/2025 Posts: 71 Rating: (5)	Thanks for the reply Pegaia, I tried comparing it in different ways but still no success. I keep getting a syntax error when I want to compare an interger with a DTL.

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5/13/2011 7:21 PM	Rate (1)
Gorp Posts: 89 Rating: (16)	It is quite simple, here is an example: I hope this helps you. Attachment SystemTime.jpg (1052 Downloads)
Gorp Posts: 89 Rating: (16)
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This contribution was helpful to 2 thankful Users Tomy Master Nikolai1

5/13/2011 7:25 PM	Rate (0)
jjh5791 Posts: 11 Rating: (3)	Hi Bosbreker, Are you currently comparing your DTL Hour value to a USInt variable?It does need to be a USInt specifically to match the DTL.HOUR data type. Hope that helps!
jjh5791 Posts: 11 Rating: (3)
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5/14/2011 6:24 AM	Rate (0)
Automation_Rookie Bronze Member Joined: 5/9/2011 Last visit: 9/3/2025 Posts: 71 Rating: (5)	Thanks Gorp, That is what I needed, like jjh5791 says it has to be a USint for it to work. Thanks for the help guys

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5/14/2011 5:55 PM	Rate (0)
Saulo Tavares Posts: 4 Rating: (0)	Hi, Pegaya is right, but in this case, the only variable of type Int is Year, the other are the type USInt. So, if you want use HOUR, you need compare your type Variable is USInt. #"Time".HOUR --------\| == \|--- USInt 8 Best regards.
Saulo Tavares Posts: 4 Rating: (0)
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