Posted 16 Oct 2017 Hello I would like to connect 2 HMIGXU 5512 to my Modicon M221 is it possible please? Share this post Link to post Share on other sites
Posted 19 Oct 2017 What m221 are you using? And what communication will you be using? If using Modbus rs485 or Modbus Tcp/ip it shouldnt be a problem at all 1 person likes this Share this post Link to post Share on other sites
Posted 19 Oct 2017 (edited) The m221 is TM221CE16R I need to connecte two hmi in two port rj45 of m221 ( in master). If the first is off the second work normaly and with two program different in hmi Edited 19 Oct 2017 by Jimmylove007 Share this post Link to post Share on other sites
Posted 20 Oct 2017 you can not plc need to be slave with the panel you have to put a plc with ethernet port and connect the 2 hmi via switch Regards Share this post Link to post Share on other sites
Posted 20 Oct 2017 ok so I understood that I have to connect the ethernet port of the plc with a switch and connect the two HMI with switch but if the first HMI is off the second hmi work normaly ? the two hmi will work independently ? Share this post Link to post Share on other sites
Posted 20 Oct 2017 Certainly everyone is doing his job Share this post Link to post Share on other sites
