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What causes an 00h or 86h error in Vijeo Designer when communicating to a M221 PLC?

Published date: 16 August 2019

  The error message is due to the Magelis reading the discrete/analog inputs as %I or %IW from the PLC. You need to move the %I and %IW to %M and %MW in order to read the data from Vijeo Designer.

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