EcoStruxure Machine Expert Training - M9.1 Communication using Network Variable List NVL

[@KrishnaModi-b3u]

Hi, How to get communication lost between 2 PLC's while data sending/receiving via NVL?

[@LeTomasAHUMADA]

Hi there! If i am not wrong there is a function block for NVLs but i share an additional variable that change the value and if it does not change then there is a problem

[@KrishnaModi-b3u]

​@@LeTomasAHUMADA Yes, found function block "NETVARGETDIAGINFO" for this. Thanks!!!

[@Ashishmaurya-he7di]

Sir how can communicate plc tm221 to tm172 .

[@LeTomasAHUMADA]

Hi there! You can check this video for guidance on M221 to connect to a M172 via modbus tcp:
ruclips.net/video/nyXspkScEjk/видео.htmlsi=2-r68jbUHxDNQLdf