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1756-DNB error 78 on node 5 after replacing a DeviceNet valve manifold

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(@conveyor_carl)
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Topic starter   [#25]

Replaced a DeviceNet valve manifold on the case conveyor sorter last night, 1756-DNB in a 1756-L61 rack. Old manifold had a cracked comm board, the new one is the same part number from the same vendor.

Scanner display is cycling E78 N05. The manifold has 24V and its network LED is solid green, the other 11 nodes are all fine and nothing else changed. We power cycled the manifold and the scanner and swapped the drop cable back for the old one, same E78 N05.

I've done plenty of these in RSNetWorx over the years, but usually with the same node swapped straight across. Is the scanlist out of date for the new revision?


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