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Creating a weekly timer

Created by: Ramboooo at: 11/26/2012 1:58 PM (6 Replies)

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11/26/2012 1:58 PM	Rate (0)
Ramboooo Posts: 77 Rating: (0)	Dear Experts, i used S7-1200 V10.5 and I need to create a weekly timer so i cant found it in) Basic instructions->counter operation ) My application is very easy On Monday from 8:00 am to 5 Pm in need to activate the output 1 OnTuesday from 8:00 am to3 Pm in need to activate the output 1 On Thursday from 8:00 am to8 Pm in need to activate the output 1 so what can I do to solve this problem thank you
Ramboooo Posts: 77 Rating: (0)
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11/26/2012 2:22 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 1/21/2025 Posts: 15549 Rating: (2467)	Lebanon2010 Dear Experts, i used S7-1200 V10.5 and I need to create a weekly timer so i cant found it in) Basic instructions->counter operation ) My application is very easy On Monday from 8:00 am to 5 Pm in need to activate the output 1 OnTuesday from 8:00 am to3 Pm in need to activate the output 1 On Thursday from 8:00 am to8 Pm in need to activate the output 1 so what can I do to solve this problem thank you There are several ways to do this, but in the old V10.5 version, it may be difficult to find anyone who still has that installed as V11 SP2 has been out for quite a while and is much! more stable. You can still create programming for the older PLC firmware. That said, you can create several rungs of logic, one for each state change, and one for the startup OB to establish initial state of output 1. These all require your PLC to have accurate time, so you will want to put the PLC on a UPS or have it connect to a NTP server to get time updates so your logic is closer to real time. Use the -(s)- and -(r)- instruction at each time switch to change the state. If you find yourself suddenly in time between where the output is in the wrong state, simply set or reset it. If you have an HMI, you can use that to help keep / set time, and also set / adjust the schedule as well as the output. With V11 SP2, you can use SCL programming. With SCL, you can use open source program blocks from OSCAT that do these schedules for you, but the logic is not that complicated. It is more complicated keeping the time right in the plc.
	science guy
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This contribution was helpful to 1 thankful Users Md Gouse

11/26/2012 2:53 PM	Rate (0)
Ramboooo Posts: 77 Rating: (0)	Dear Expert, Thanks for your reply , but can you help me for the first time to create this application and soonest i will instal the S7-1200 V11 SP2 Regards
Ramboooo Posts: 77 Rating: (0)
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11/26/2012 3:15 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 1/21/2025 Posts: 15549 Rating: (2467)	Lebanon2010 Dear Expert, Thanks for your reply , but can you help me for the first time to create this application and soonest i will instal the S7-1200 V11 SP2 Regards Maybe this FAQ can help: https://support.automation.siemens.com/WW/llisapi.dll?query=s7-1200+timer&func=cslib.cssearch&content=adsearch%2Fadsearch.aspx%3Ftab%3D2&lang=en&siteid=csius&objaction=cssearch&searchinprim=_searchinprim_&nodeid=99&x=16&y=8&cssearchengine=NEW
	science guy
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1/17/2013 10:58 PM	Rate (0)
Johan Kimenai Regular Member Joined: 11/7/2011 Last visit: 9/11/2024 Posts: 5 Rating: (0)	Hello forum users I have a question about the week clock I got him working in tia portal version 11 sp2 only me succeed to switch entire hours but would like to know how I, for example, at 8: 15, and at 14: 35 from can switch so soundly thanks kind regards Johan

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1/20/2013 10:20 PM	Rate (0)
rQx Bronze Member Joined: 12/9/2010 Last visit: 1/22/2025 Posts: 162 Rating: (5)	Don't really know what you are after but read the clock of the CPU to a DTL memory area. Then you can use the compare instructions to get what you are after. DTL.DAY DTL.HOUR etc etc, the DTL are rescribed nicely in the help in tia portal

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1/21/2013 9:48 AM	Rate (0)
otter Gold Member Joined: 9/30/2005 Last visit: 1/21/2025 Posts: 42 Rating: (13)	Hello, This is an interesting link http://support.automation.siemens.com/WW/view/en/52722648?Datakey=47071380 Succes

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