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When viewing status in Ladders and attempting to use the Change Value button to change a bit (X, Y, C, etc.), the Write-to-PLC button is grayed out. Why?

April 26, 2017attempting bit button ladders Status value viewing

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Posted

When viewing status in Ladders and attempting to use the Change Value button to change a bit (X, Y, C, etc.), the Write-to-PLC button is grayed out. Why?

1 Answer

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Posted

This is because the link you are using is configured for DirectNet protocol, and DirectNet protocol will not allow bit writes.