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INM MTL SUM5 Rev 7
DRAFT - 09 June 2021 DRAFT - 09 June 2021
30.19 SEQUENCE TABLE
LINE PROCESS
CONDITION
PUSHBUTTON
OPERATION
SEQUENCE
STAT E
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. Flashing indication for rst alarm only. New subsequent alarms have the same visual
indication as acknowledged alarms.
5. First out indication is reset when acknowledged
6. Manual reset of acknowledged alarm indications after process conditions return to normal.
7. Operational test