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Memory consumption in S7-412-3H

Created by: Eli_47 at: 7/28/2016 2:12 PM (4 Replies)

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7/28/2016 2:12 PM	Rate (0)
Eli_47 Experienced Member Joined: 8/23/2012 Last visit: 5/27/2025 Posts: 118 Rating: (4)	Good day. Pic 1. - Memory consumption inside PLC, in my project: Pic 1 Pic 2. - Memory in PLC from documentation: Pic 2 How close i am to memory limit in PLC S7-412-3H ? How i can extend this limit? Regards, Eli
	Last edited by: Eli_47 at: 7/28/2016 2:12:30 PM Last edited by: Eli_47 at: 7/28/2016 2:13:51 PM
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7/28/2016 2:49 PM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1058)	hi Eli, from which dokumentation do you have this? Which CPU do you use exactly? MLFB? 6ES7412-?????-???? some CPUs have the possibility to extend the load-memory by a memory-card. hope this helps, regards,
	FCK WAR! Be nice!
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7/28/2016 3:05 PM	Rate (1)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 8/29/2025 Posts: 4443 Rating: (641)	Hi, do you want to determine load memory and/or main memory of you CPU? -> please check this - I hope it helps and I am right: How can you determine the size of the load memory and main memory of a SIMATIC S7-300/400 CPU? Regards, Towome
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This contribution was helpful to 1 thankful Users Ahmad Magdy

7/28/2016 4:17 PM	Rate (0)
Eli_47 Experienced Member Joined: 8/23/2012 Last visit: 5/27/2025 Posts: 118 Rating: (4)	mopS04 hi Eli, from which dokumentation do you have this? Which CPU do you use exactly? MLFB? 6ES7412-?????-???? some CPUs have the possibility to extend the load-memory by a memory-card. hope this helps, regards, Hello. We shall use 6ES7412-3HJ14-0AB0 with 756 Kb of memory (256 Kb of data, 512 of code) https://support.industry.siemens.com/tedservices/DatasheetService/DatasheetService?format=pdf&mlfbs=6ES7412-3HJ14-0AB0&language=en&caller=SIOS How i can compare Load Memory RAM, Work memory and Retentive memory data from Pic.1 and this Load and Work memory from manual? Regards, Eli
	Last edited by: Eli_47 at: 7/28/2016 4:18:28 PM
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7/28/2016 4:20 PM	Rate (0)
Eli_47 Experienced Member Joined: 8/23/2012 Last visit: 5/27/2025 Posts: 118 Rating: (4)	Towome Hi, do you want to determine load memory and/or main memory of you CPU? -> please check this - I hope it helps and I am right: How can you determine the size of the load memory and main memory of a SIMATIC S7-300/400 CPU? Regards, Towome Hi. How i can esteblish equality beetwen load and work memory from your link and 256 Kb of Data and 512 Kb of Code from manual?

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