Section B Messages and Hints
B-16
B 3.3 Acknowledgment in the field
After pressing the field acknowledge button, which must be connected to the input LR of the
horn function block, an active field horn is switched off directly.
An activated control room horn can also be acknowledged from the field. In this case the horn
function block generates an event message. After receiving this message DigiVis switches the
control room horn off.
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