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Retain Memory CPU 1518-F

Created by: MarcSSerra at: 6/1/2017 2:32 PM (11 Replies)

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6/1/2017 2:32 PM	Rate (0)
MarcSSerra Regular Member Joined: 1/27/2016 Last visit: 8/22/2023 Posts: 6 Rating: (0)	Dear all, I'm doing a project with a team, and I'm needed of a Hardware with a retain memory of maximal 2MB. Does the CPU 1518-F accomplish this requirement? My program uses a really big tables to save information, and this information must be recovered after a power off. Can I use the CPU 1518-F for it? Thank you in advance, MarcSSerra
	Last edited by: MarcSSerra at: 6/1/2017 2:49:28 PM
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6/1/2017 2:47 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 11/14/2024 Posts: 8768 Rating: (1171)	Hello MarcSSerra, Do you mean this CPU: 6ES7318-3FL01-0AB0 Have a look at the technical information. Then you will find the information about: Data areas and their retentivity Best regards, Wizard

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6/1/2017 2:48 PM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	For me, it make more sense to use a new CPU319. Because it has MMC and no battery any more. There is quite less chance to lose the memory.
IBN-Service Posts: 8946 Rating: (999)
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6/1/2017 2:51 PM	Rate (0)
MarcSSerra Regular Member Joined: 1/27/2016 Last visit: 8/22/2023 Posts: 6 Rating: (0)	Hello all, My apologises, I just wrote the CPU name wrong... That happens when you want to write fast without reading what you wrote... The hardware I'm talking about is the CPU 1518-F. Thank you again for the answers and sorry. MarcSSerra

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6/1/2017 3:00 PM

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Wizard

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Hello,

Here is a link to technical information:

6ES7518-4FP00-0AB0

Have a look at the following

Data areas and their retentivity
Retentive data area (incl. timers, counters, flags), max.	768 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 700 KB

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6/2/2017 12:11 PM	Rate (0)
stso Bronze Member Joined: 10/4/2007 Last visit: 4/26/2018 Posts: 18 Rating: (18)	If you use this power supply for your CPU, it will be possible to increase the retain memory 6ES7505-0RB00-0AB0 S7-1500, PS 60W 24/48/60V DC HF

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6/2/2017 12:15 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 11/14/2024 Posts: 8768 Rating: (1171)	Hello, In addition to stso answer, here more information: How do you use the complete data range of an S7-1500 V2.1.0 and higher as retentive memory with a system power supply PS 60W 24/48/60V DC HF? Best regards, Wizard

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6/2/2017 1:48 PM	Rate (0)
MarcSSerra Regular Member Joined: 1/27/2016 Last visit: 8/22/2023 Posts: 6 Rating: (0)	Hello, Do I need TIA v14 for it? Thank you for the answers. Regards, MarcSSerra

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6/2/2017 2:17 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 11/14/2024 Posts: 8768 Rating: (1171)	MarcSSerra Hello, Do I need TIA v14 for it? Thank you for the answers. Regards, MarcSSerra Hello MarcSSerra, From the earlier mentioned link: *********************************************** Requirements** To use the extended retentive memory you must meet the following requirements: STEP 7 V14 SP1 and higher System power supply PS 60W 24/48/60V DC HF with buffer function S7-1500 CPU with firmware version V2.1.0 and higher (see table below) *************************************************** Yes, you will need Step 7 TIA Portal V14 SP1 Best regards, Wizard
	Last edited by: Wizard at: 6/2/2017 2:18:02 PM
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6/2/2017 5:36 PM	Rate (1)
IBN-Service Posts: 8946 Rating: (999)	No, Wizard, that is not true. You can use this CPU also with TIA V13SP1. You must select FW V1.8, not V2.0 and it will work fine! The details at Mall and CA01 cataloge concerning the TIA Versions are mostly wrong! Wizard MarcSSerra Hello, Do I need TIA v14 for it? Thank you for the answers. Regards, MarcSSerra Hello MarcSSerra, From the earlier mentioned link: *********************************************** Requirements** To use the extended retentive memory you must meet the following requirements: STEP 7 V14 SP1 and higher System power supply PS 60W 24/48/60V DC HF with buffer function S7-1500 CPU with firmware version V2.1.0 and higher (see table below) *************************************************** Yes, you will need Step 7 TIA Portal V14 SP1 Best regards, Wizard
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