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Lost password & backup programming

Lost password & backup programming

Lost password & backup programming

(OP)

we're lost the password and haven't backup program slc-500.
how to reset password and program not lost?

thank you very much

RE: Lost password & backup programming

I think there is a way to recover the program from the processor, however you will need to contact Allen-Bradley for the process.

RE: Lost password & backup programming

(OP)
it is expensive. any idea?

RE: Lost password & backup programming

I know some one who may be willing to help you.
Go to http://www.plctalk.net and post the same question.
Hope this helps you.

RE: Lost password & backup programming

If the PLC is networked you may want to try sending a message to the status file from another PLC on the network and disable the pass word protection.

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