What are the function codes of the Modbus protocol used by IO Scanning in TCP-IP for a M241/M251 controller? | Schneider Electric India

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What are the function codes of the Modbus protocol used by IO Scanning in TCP-IP for a M241/M251 controller?

The following Modbus protocol function codes are used by IO Scanning on Modbus TCP-IP over Ethernet :

Read only = function code 03
Write only = function code 16
Read/write = function code 23

Released for: Schneider Electric India

Published on:11/2/2011Last Modified on:29/9/2025

Range:

EcoStruxure Machine Expert

Modicon M241

Modicon M251

Range:

EcoStruxure Machine Expert

Modicon M241

Modicon M251

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