Posted 25 Jun 2023 We are using GX IEC developer software and Q25PRHCPU using Melsecnet communication. Remote device 18 nodes QJ72LP25-25 remote LED solid red, all remote IO feedback loss. Already i had replace QJ72LP25-25 module and Fiber optic cable, but still same issue happen. Kindly advise me how to resolve this issue. Thanks! Share this post Link to post Share on other sites
Posted 26 Jun 2023 Use melsecnet diagnostic 1 person likes this Share this post Link to post Share on other sites
Posted 27 Jun 2023 Thanks for info! I checked melsecnet diagnostic nothing found. Share this post Link to post Share on other sites
