AUDIBLE
DEVICE
REMARKS
1 NORMAL NORMAL OFF SILENT
2 ABNORMAL ALARM
FAST
FLASHING
AUDIBLE LOCK-IN
3A ABNORMAL ACKNOWLEDGE ACKNOWLEDGED ON SILENT
MAINTAINED
ALARM
3B NORMAL ACKNOWLEDGE TO LINE 4
MOMENTARY
ALARM
4 NORMAL RINGBACK
SLOW
FLASHING
SILENT
MANUAL
RESET
REQUIRED
5 ABNORMAL TO LINE 2
RETURN TO
NORMAL
6 NORMAL RESET NORMAL OFF SILENT
MANUAL
RESET
SEQUENCE FEATURES
1. ACKNOWLEDGE, RESET AND TEST PUSHBUTTONS
2. ALARM AUDIBLE DEVICE (OPTIONAL RINGBACK AUDIBLE DEVICE)
3. LOCK-IN OF MOMENTARY ALARMS UNTIL ACKNOWLEDGED
4. THE AUDIBLE DEVICE IS SILENCED AND FLASHING STOPS WHEN ACKNOWLEDGED
5. RINGBACK VISUAL AND AUDIBLE INDICATIONS WHEN PROCESS CONDITIONS RETURN
TO NORMAL.
6. MANUAL RESET OF RINGBACK INDICATIONS
7. OPERATION TEST
Optional Ringback Audible
As an option the Multifunction āMULTā Relay can be used to provide a separate Ringback audible if
required. When an alarm returns to normal a MULT relay set as a Ringback audible will activate until
the Reset Pushbutton has been pressed. (See Para 5.9 for details)