B 3.4 Acknowledgment In The Control Room - ABB Freelance 2000 Manual

Section B Messages and Hints

B 3.4 Acknowledgment in the control room

On selection of the button, DigiVis switches off an active control room horn. In the
HORN OFF
case of an active field horn, a logic-0 signal is written to the internal input of the respective horn
function block by DigiVis. The field horn is switched off. As feedback, the horn function block
sends an event message back to DigiVis.
di0383uk.bmp
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B-17