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How to send logic state from esp8266 to plc fx3u via rs485

https://www.esp8266.com/viewtopic.php?f=160&t=24353

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How to send logic state from esp8266 to plc fx3u via rs485

PostPosted: Fri Apr 21, 2023 9:03 am
by coonbae01xz
Hello every one!
im searching documents to communicate esp8266 with plc fx3u via rs485. i know overview how to connect but i got some problem too. i dont know how to send logic state form esp8266 to M0 register of FX3u via rs485 to control the output Y0.
Has anyone done this project before? or have documents about this? help me!

Re: How to send logic state from esp8266 to plc fx3u via rs4

PostPosted: Mon Apr 24, 2023 3:11 pm
by rooppoorali
Many tutorials are available regarding how to control this PLC with ESP32:
https://www.plctutorialpoint.com/interf ... itsubishi/
Not sure if the same method is gonna work for ESP8266 also.
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