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Modbus Wago 740-404 Counter - how to send Status Bytes?

Hi all,

 

I am using the WAGO Ethernet Gateway 750-342 and the counter 750-404 with the Modbus API from NI in LabView2019.

Reading the current counter value is no problem using the Modbus Master Example.vi, but the counter needs specific control bytes to set/reset the  (see attachement)

 

Has anyone worked with similar devices? I have no idea how to set those.

 

Cheers, Bow

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