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S7 meaning in SIMATIC S7

Created by: Kalaii at: 4/4/2019 6:34 AM (6 Replies)

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4/4/2019 6:34 AM	Rate (0)
Kalaii Posts: 5 Rating: (0)	I came to know that SIMATIC S7 is used for S7-series PLCs. But i want to know, why specifically number 7 is used to identify the PLC series?
Kalaii Posts: 5 Rating: (0)
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4/4/2019 8:20 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 9/13/2024 Posts: 4697 Rating: (720)	Because before the number 7, the 5 was used.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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4/4/2019 6:56 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 8/20/2024 Posts: 2198 Rating: (328)	The first PLC from Siemens, the SIMATIC S3 came in 1973, the SIMATIC S5 in 1979 and the SIMATIC S7 in 1994 (found on https://de.wikipedia.org/wiki/Simatic ) The numbers have no technical reason, it's marketing.

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This contribution was helpful to 1 thankful Users jacek d

4/6/2019 10:51 PM	Rate (0)
esem2704 Advanced Member Joined: 9/14/2009 Last visit: 12/7/2023 Posts: 41 Rating: (0)	S3 S5 S7 TIA why not called S9 ?

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4/6/2019 11:38 PM	Rate (0)
dchartier Grandmaster Joined: 9/27/2006 Last visit: 9/13/2024 Posts: 12282 Rating: (2683)	Hello Esem; TIA Portal is a software that englobes HMI/SCADA with S7 PLCs (S7-1500 and S7-1200 mainly, S7-400 and S7-300 with Professional packages), so probably the commercial designers at Siemens wanted to create a completely different designation for something completely different in Siemens' world. But fear not, there is still hope for a S9 controller at a later date! Hope this helps, Daniel Chartier

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4/8/2019 4:26 AM	Rate (1)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 9/13/2024 Posts: 3020 Rating: (1054)	dchartier But fear not, there is still hope for a S9 controller at a later date! Rumors have it that Siemens will first need to persuade Audi to give up their trademark on S9
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 3 thankful Users jacek d dchartier ERPA_France

4/12/2019 7:51 AM	Rate (0)
Sachinpatke Silver Member Joined: 12/9/2010 Last visit: 10/8/2022 Posts: 623 Rating: (77)	Hi Kalaii, S7 is advanced version than S5. [It is Windows based.] Like version, 5 is advanced to 7. Exact reason is not known!! But "What is there in a name?"
	If you like the comment, rate it (right top) or thank it (left bottom). One who says he can & one who says he can't, are both correct-Confusius. Automation- C2C, Management Sachin Patke, India.
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