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Enabling communication in Mitsubishi MELSEC controller

Written by Mads Mikkelsen

Updated at September 1st, 2026

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Articles in this section:

  • Configure the Mitsubishi MELSEC Connector
  • Enabling communication in Mitsubishi MELSEC controller

In order for SIA to communicate with a Mitsubishi PLC you will need to grant it access to read and write from it.

Here there can be found links to videos that describe how to setup different PLC series using GX Works2 and GX Works3.

Q, L English
FX Spanish,
iQ-F English, Spanish.
iQ-R English.

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In the case that the IP address is unknown, for the FX and iQ-F series use the auto-detect option in the programming tool, while for the Q, L, iQ-R use a serial cable to connect to the PLC and change the Ethernet settings.



communication melsec fx iq-f iq-r mc protocol

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