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sumer winter

Created by: misak_s at: 11/1/2011 5:16 PM (7 Replies)

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11/1/2011 5:16 PM	Rate (0)
misak_s Advanced Member Joined: 6/13/2010 Last visit: 3/19/2023 Posts: 35 Rating: (0)	hello can any one tell me where can i find the sumer winter bit to use it on program

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11/1/2011 6:04 PM	Rate (0)
bakerjw Posts: 126 Rating: (18)	A Summer Winter bit? I know of no system bits for anything like this with the S7-1200.
bakerjw Posts: 126 Rating: (18)
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11/1/2011 8:48 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 3/24/2023 Posts: 4180 Rating: (1332)	Hi, what do you wish to do with this bit?
	Denilson Pegaia Siemens Industry Sector Technical Support
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11/1/2011 10:24 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 3/24/2023 Posts: 13205 Rating: (2147)	misak_s hello can any one tell me where can i find the sumer winter bit to use it on program You will need to create them using your PLC system date and establish what you consider summer and winter dates. Compare current date and if it is within the winter date range you've established, set winter bit to true. Similar for summer bit. Then you can tell whether it's winter or summer. Do you care about the other two seasons?
	science guy
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11/2/2011 8:03 AM	Rate (0)
fbelic Silver Member Joined: 2/17/2009 Last visit: 12/1/2020 Posts: 327 Rating: (28)	Greetings Maybe he is talking about (DST) daylight saving time? In that case you can look about RD_LOC_T function (S7-1200 manual page 213). Best regards

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11/3/2011 5:16 PM	Rate (0)
misak_s Advanced Member Joined: 6/13/2010 Last visit: 3/19/2023 Posts: 35 Rating: (0)	first thank you all what i need is to realize in program when the day light saving time is active or not. from RD_LOC_T i get only time i need the specific bit to handle a procedure
	Last edited by: misak_s at: 11/3/2011 5:19 PM
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11/3/2011 5:30 PM	Rate (0)
fbelic Silver Member Joined: 2/17/2009 Last visit: 12/1/2020 Posts: 327 Rating: (28)	Greetings As I said, check the manual page I mentioned. Return value of RD_LOC_T function returns whether DST is active. RET_VAL (W#16#....) Description 0000 The current local time is in standard time. 0001 Daylight saving time has been configured, and the current local time is in daylight savingtime. 8080 Local time not available 8081 Illegal year value 8082 Illegal month value 8083 Illegal day value 8084 Illegal hour value 8085 Illegal minute value 8086 Illegal second value 8087 Illegal nanosecond value 80B0 The real-time clock has failed. Best regards
	Last edited by: fbelic at: 11/3/2011 5:31 PM
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This contribution was helpful to 1 thankful Users 0_Einstein

11/4/2011 11:19 AM	Rate (0)
misak_s Advanced Member Joined: 6/13/2010 Last visit: 3/19/2023 Posts: 35 Rating: (0)	thank you very much. maybe i have old manual RET_VAL (W#16#....) Description 0000 No error 8080 Local time not available 8081 Illegal year value 8082 Illegal month value 8083 Illegal day value 8084 Illegal hour value 8085 Illegal minute value 8086 Illegal second value 8087 Illegal nanosecond value 80B0 The real-time clock has failed

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