# How to connect Mitsubishi plc fx3u and Fx5u with node red

**URL:** <https://discourse.nodered.org/t/how-to-connect-mitsubishi-plc-fx3u-and-fx5u-with-node-red/92205>\
**Category:** Industrial\
**Created:** [7 October 2024 04:18 UTC](https://discourse.nodered.org/t/how-to-connect-mitsubishi-plc-fx3u-and-fx5u-with-node-red/92205 "2024-10-07T04:18:02Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![Jayeshpitale1](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/jayeshpitale1/32/70216_2.png) [@Jayeshpitale1](https://discourse.nodered.org/u/Jayeshpitale1)\
**Post date:** [10 October 2024 13:30 UTC](https://discourse.nodered.org/t/how-to-connect-mitsubishi-plc-fx3u-and-fx5u-with-node-red/92205/13 "2024-10-10T13:30:38Z")

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Hi There,  
The problem which i faced for Fx3U has got solved. and i would tell the Plc Guy to Change TCP to UDP as you Suggested me.  
But i have another Issue with Fx5U which one plc is master and other are slave  
the issue is that it is not communicating with mc protocol as i faced issue with Fx3U but i tried to play with the Bellow Details  
These settings are not set (default)  
-Network No  
-PC No  
-Dest Module  
-Dest Module Stn No  
But the issue is same and it is working on KepServer Still i got a Old Data from him about that PLC which i am sharing you the Screenshot.

 ![IMG-20241010-WA0011](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/f/d/fd517f7ccfd4dfb1ebc16c085183555db54bbef5.jpeg)

@Steve-Mcl Please Go through it try to help me.

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