Which Modbus functions are used for reading/writing multiple data on IO scanning in Modicon Quantum range. | Schneider Electric South Africa

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Which Modbus functions are used for reading/writing multiple data on IO scanning in Modicon Quantum range.

In Modicon Quantum range, I/O scanning works with following Modbus function codes:

FC3 for Reading Multiple 4X registers.
FC16 for Writing Multiple 4X registers.
If both the read and write are filled out then FC23 for Read/Write Multiple 4X registers is used.

Released for:Schneider Electric South Africa

Published on:2010/04/19Last Modified on:2022/08/30

Range:

Modicon Quantum

EcoStruxure Control Expert (Unity Pro)

Range:

Modicon Quantum

EcoStruxure Control Expert (Unity Pro)