Why do I get the error code OL9-21581 Illegal Modbus function code when trying to connect to the Concept simulator? | Schneider Electric Malaysia

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Why do I get the error code OL9-21581 Illegal Modbus function code when trying to connect to the Concept simulator?

One possible reason is the package of Concept installed is Concept S or Concept Small. The small version of Concept does not contain the IEC 32 simulator.

Released for: Schneider Electric Malaysia

Published on:28/10/2005Last Modified on:08/11/2022

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