i need an indication lamp or text on HMI screen when communication  wire disconnected  between PLC to HMI. when no communication b/w PLC to Hmi this lamp active. After communication this lamp will be off .. 

For e.g

 Bit High (no communication)

Bit Low (communication Ok)

 Please help me as soon as possible

Thanks   

You have several example applications which can help like you can find back in this thread for example : 

Read comm status of HMI on profinet

How can you visualize the current status of the CPU on a WinCC flexible operator panel?

You can also check : 140001 Connection Disconnected alarm...

when   Ethernet  wire discount with plc then i want a indication on Screen .. because then new operator come on system he don,t know why system is not work .. if there is any lamp for  induction  no communication then he know ohoo thats why his HMI is not working 

you understand my dear ?   

Well dear Husnain R@s00l , 

It's step by step explained how to do this in the link in my previous post :)

How can you visualize the current status of the CPU on a WinCC flexible operator panel?

Which panel do you use btw  ?

you give me one favor .. Please make 1 little program on TIA V13. Using s7 1200 with pc station.

if you can i will be very thanks full because i am new in this field 

thanks a lot  

Dear Husnain, 

Husnain R@s00l

[...] i am new in this field [...]

in that case it's best you follow the instruction recommended by OmegaProjects (it's about the same for WinCC Advanced) >> How can you visualize the current status of the CPU on a WinCC flexible operator panel?

Best regards,

Frink