Hello André,

We have the same problem. We have the backup file from an OP27 and a document that shows the different images.

We also have the SIMATIC S7-300 program used with the OP27 in order to control the process.

Since we haven't been able to extract the project file from the backup file (as far as we know this is not possible), we are evaluating the development of a new project for a new HMI.

But we have worse problem. The PLC program is not documented at all and is written in AWL. So far, we haven't been able to identity which variables from the PLC are to be used with the different objects of the images.

Any ideas or suggestions?

Best regards,

Edmundo Brizuela 

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Split from how to convert op27 to any op in protool.

edmundo_brizuela163

Hello André,

We have the same problem. We have the backup file from an OP27 and a document that shows the different images.

We also have the SIMATIC S7-300 program used with the OP27 in order to control the process.

Since we haven't been able to extract the project file from the backup file (as far as we know this is not possible), we are evaluating the development of a new project for a new HMI.

But we have worse problem. The PLC program is not documented at all and is written in AWL. So far, we haven't been able to identity which variables from the PLC are to be used with the different objects of the images.

Any ideas or suggestions?

Best regards,

Edmundo Brizuela 

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Split from how to convert op27 to any op in protool.

 Hello, Or you have another OP27 either you have tobrebuild the project