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How can I disable the ModbusTCP I/O Scanner with the M241 and M251 controllers using SoMachine V4.3?

Published date: 29 June 2020

To disable the ModbusTCP IO Scanner, you can use the IOS_STOP Function Block. You will need to use the EN_ENO Input/output.  
When the function block is enable (EN=1) the ModbusTCP IO Scanner is disabled.
It disables ther entire IO scanner table.
It is not possible to disable individual devices on the IO scanner table 

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