S7 300 mmc got defective

Stuwertz

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Join Date
Feb 2018
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Posts
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Hi all

In one of my machine the S7 300 64 KB ( 6ES7953-8LF20-0AA0) micro memory card got defective . I already done mmc reset but still issue not solved .. I plan to change new mmc card . I have spare new 128 KB ( 6ES7953-8LG20-0AA0). I have archived back up project . Could some one tell you step by step procedure to use new memory card .

Can I able to use 128 kB on that cpu .
 
If using STEP 7 V5.x (SIMATIC Manager):

Open SIMATIC Manager
Go to menu File -> Retrieve and follow the steps

Go to Set PG/PC interface and select your device and protocol (ex: PC Adapter(MPI))

When the project is open, select the Station (PLC) you want to download to
Click the download icon
Click Accessible Nodes and make sure you select the correct address of your PLC.
 

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