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FJS

Old TSX challenges

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14 yr old TSX running OK now. We want to be prepared for eventual component failure. Cannot access PLC for program download for archiving. Personnel who knew password no longer available. OEM says they cannot help, they didn't keep records. Know not supposed to discuss "bypassing" passwords on this forum. Are there an resources someone can point me to access PLC?

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Hi, do you need to enter the pass during connect to PLC? I'm pretty sure, that PLC have no upload info.

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Hi,

TSX is a generic name and means nothing, what is the reference of your plcs ?

JC

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PLC will not let us connect to perform a read.

 

It is a Schneider Compact PLC

TSX Compact

CPU is a E 984 258

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does it ask for a password when you are trying to connect to the plc? or when you are trying to upload the program?
 

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I assume you use Concept software and someone used the PLC login password protection.

You can delete whole info from PLC or send the PLC to schneider for remowing pass .

Edited by Quant

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Ask for password when trying to connect to PLC.

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Not practice to send PLC to Schneider. It is running a 500 KW generator in remote location in British Columbia.

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Ask the OEM to send you a copy of the program so you can erase the PLC and download it again.  That's about your only option at this point.  If they can't provide the password and they can't provide the original project, your more or less have to start over and have an integrator write a new program.  And hopefully in a more modern PLC.  There is no magic back door to let you bypass the intellectual property protection.

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