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Read beats from Input Registers on Modbus

Hello!!!

I have an application with Modbus and I need to read the bytes from an Input Register. For instance:

( Variable )              ( Adress )       ( Bit )
Stop                         42002               0
Start                         42002               1
Slow Turning            42002               2

I had tested with Modbus Data Unit but I can see only 3 bytes. Have anybody experience with that? How can I read 16 bytes?

Kind Regards
Yaridia

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