40
SEQUENCE TABLE
LINE
PROCESS
CONDITION
PUSHBUTTON
OPERATION
SEQUENCE
STATE
VISUAL
DISPLAY
ALARM
AUDIBLE
DEVICE
REMARKS
1
NORMAL
NORMAL
OFF
SILENT
2
FIRST
ABNORMAL
FIRST ALARM
INTERMITTENT
FLASHING
AUDIBLE
LOCK-IN
3
SUB.
ABNORMAL
SUB. ALARM
FAST
FLASHING
AUDIBLE
LOCK-IN
4
FIRST
ABNORMAL
OR NORMAL
FIRST OUT
RESET BEFORE
ACKNOWLEDGE
TO LINE 3
FIRST OUT
RESET
5
FIRST
ABNORMAL
OR NORMAL
ACKNOWLEDGE
FIRST
ACKNOWLEDGED
SLOW
FLASHING
SILENT
FIRST OUT
RESET
REQUIRED
6A
SUB.
ABNORMAL
SUB.
ACKNOWLEDGE
ON
SILENT
MAINTAINED
ALARM
6B
SUB.
NORMAL
TO LINE 8
MOMENTARY
ALARM
7A
FIRST
ABNORMAL
FIRST OUT
RESET AFTER
ACKNOWLEDGE
TO LINE 6A
FIRST OUT
RESET
7B
FIRST
NORMAL
TO LINE 8
FIRST OUT
RESET
8
NORMAL
NORMAL
OFF
SILENT
AUTOMATIC
RESET
SEQUENCE FEATURES
1. SILENCE, ACKNOWLEDGE, RESET AND TEST PUSHBUTTONS
2. ALARM AUDIBLE DEVICE
3. LOCK-IN OF MOMENTARY ALARMS UNTIL ACKNOWLEDGED.
4. OPTION1 – SILENCE PUSHBUTTON TO SILENCE THE ALARM AUDIBLE DEVICE WHILE
RETAINING THE FIRST OUT FLASHING INDICATION
5. FLASHING INDICATION FOR FIRST ALARM ONLY. NEW SUBSEQUENT ALARMS HAVE THE
SAME VISUAL INDICATION AS ACKNOWLEDGED ALARMS.
6. FIRST OUT INDICATION IS RESET WHEN ACKNOWLEDGED
7. MANUAL RESET OF ACKNOWLEDGED ALARM INDICATIONS AFTER PROCESS
CONDITIONS RETURN TO NORMAL.
8. OPERATIONAL TEST
