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unlocking hardware password

8/12/2011 12:14 PM	Rate (0)
ninad Posts: 37 Rating: (2)	Dear All How toremove the password if it is set in hardware options and forgotten? as there is no forgot password option Reply Regards, Ninad
ninad Posts: 37 Rating: (2)
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8/12/2011 2:12 PM	Rate (0)
cabreytj Posts: 170 Rating: (66)	Only way to unlock/remove the password from the CPU is to do a hard reset (pull power/batteries for 30+ secs). Change the password in hardware config and then re-download Hardware,Program, and Netpro connections. Obviously, reseting the controller will effect plant operations but this is the only way that I know of. cabreytj
cabreytj Posts: 170 Rating: (66)
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8/12/2011 2:47 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	ninad Dear All How toremove the password if it is set in hardware options and forgotten? as there is no forgot password option Reply Regards, Ninad Hi If you have back up of the project, you can also the instruction here to delete a password protected MMC! How do you delete the data on an MMC (micro memory card)? Note If you wish to delete a password-protected MMC, proceed as follows. Slot the MMC in the programming device (PG) or in the SIMATIC USB prommer on your laptop/PC. In the SIMATIC Manager select "File". Select "S7 Memory Card" ==> "Delete..." BR
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