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CPU 315T Change a PLC Version v2.7 to V2.6

Created by: lsoto at: 3/1/2012 4:18 PM (3 Replies)

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3/1/2012 4:18 PM	Rate (0)
lsoto Posts: 58 Rating: (0)	HiI have this CPU 315T 6S7315-6TH13-0AB0 V2.7I need to duplicate one machine but my proyect is with 6S7315-6TH13-0AB0 V2.6I have problemswhen i try to Download the hardware My question is How can I to Change the PLC version from V2.7 to V2.6? and where i find the files?
lsoto Posts: 58 Rating: (0)
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3/1/2012 4:37 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 8/20/2024 Posts: 2198 Rating: (328)	You can do a downgrade (http://support.automation.siemens.com/WW/view/de/48029048), but I'm shure this is not the solution for your problem. A CPU with FW V2.7 works fine with a program designed for FW V2.6. You better tell us what problems you have, when you try to download.

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3/2/2012 4:13 PM	Rate (0)
lsoto Posts: 58 Rating: (0)	Ok I change my questions 1. - If I have a project with V2.6 I can only download a project in CPU with V2.7? 2.- If Your answer is No What is the procedure to change the CPU in my project. I found in FAQ this " Upgrading the CPU Type in a Step7 Project" I followed this procedure but I have problems in S7T 3. If your answer is NO I can to put the memory MMC of my old CPU V2.6 in my new CPUV2.7 and it will work properly?? thanks
lsoto Posts: 58 Rating: (0)
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3/2/2012 5:53 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 8/20/2024 Posts: 2198 Rating: (328)	lsoto 1. - If I have a project with V2.6 I can only download a project in CPU with V2.7? Yes, you can dowload any project designed for the same or a lower FW version. The CPU will react like a CPU with this FW. lsoto 3. If your answer is NO I can to put the memory MMC of my old CPU V2.6 in my new CPUV2.7 and it will work properly?? Yes What is the problem you have when you want to download? Consitency error, CPU not found, Download to slow, download aborded... Which interface do you use for the download? Did you make the orginal program or do you just have to copy it?

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