flasing

[balatis]

Do you mean flashing or blinking?

Code:

enableGA = '1/1/1'
outputGA = '1/1/2'

while grp.getvalue(enableGA) do
 grp.write(outputGA, not grp.getvalue(outputGA))
 os.sleep(1)
end

But what you try to exactly achieve?

sorry blink i would like .
i tried it but not work
i would like to have an alarm blink in visu