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When trying to connect over Modbus Plus using Concept what does error message "OL9-11575" mean?

This error message means that the software interrupt used by the Modbus Plus drivers must be specified in the Modicon.ini file.
For example,

[ports]
MBP0=5C


Legacy KB System (APS) Data: RESL161467 V1.0, Originally authored by on , Last Edited by on
Related ranges: Concept
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