Programs getting erased during power failure
sir we are facing a peculiar problem in our crane PLC . PM581 cpu without SD card is installed in the crane. Whenever power fails the program gets erased. Please help me.
Asked 2 years ago
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Please make sure you have created the bootproject after download the project.
Besides that, you need to check the CPU startup mode. The Startup mode need to be 'MOD 00', for the CPU to load the bootproject from the flash.
For details, please refer to this
http://www402.abbext.com/AC500-Start-up-Mode_1-0_a11321.aspx
Answered 2 years ago
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