AC 800 M program online error

I am having PM 851A controller.

I am having project backup and i restored it.

While trying to Go online with restored project shows error.

"fatal error, controller reset done, files from previous download missing '

attached snap shop for reference.

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shunkahari Rank: 174

Asked 2 years ago

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Answers

Exactly as it says .... The controller must be reset before you can download.

You restored from a backup, so the compiler output files, retain files and coldretain files dont match what was used to load the controller last time. To avoid the possibility of a serious error from mismatched files, you need to reset the controller and make a new cold download.

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