Hi guys,

I am trying to comunicate with IM151-8 cpu for tcp, Ip the device server is 168.12.1.242, type of comunication is TCP/IP native, port is 2000,  I attached my sample en Tia portal 13, in the T-con appears status 16#7000, "Call with REQ=0, establishment of connection not initiated", I don´t know what this mean,  I can´t clean this error, what is i do bad?.

Thank you for your help.