Hello, 

i use wincc 7.5 SP2

and i want to play music when trigger bit " M 2000.0 " is True

example Bit M 2000.0 is Lamp

i write this code : 

when i start Runtime The music start Automatic and my Bit is False

if i change bit from False to True music start again.

I want to make it play when Bit is TRUE and Stop With another Bit 

i have write the code below  to Stop with another bit example M 2000.1 

x=msgbox ("Message", 0+16+4096, "Tittle")

any idea how to make start when A bit is TRUE?

Hi,

Have you followed this example?

Calling an acoustic signal via script in WinCC V7 / V8