SmartAlarm Instruction Manual Rev 2
Page 97 of 115
LINE
PROCESS
CONDITION
PUSHBUTTON
OPERATION
SEQUENCE
STATE
VISUAL
DISPLAY
ALARM
AUDIBLE
DEVICE
REMARKS
1
NORMAL
NORMAL
OFF
SILENT
2
FIRST
ABNORMAL
FIRST ALARM
FLASHING
AUDIBLE
LOCK-IN
3
SUB.
ABNORMAL
SUB. ALARM
ON
AUDIBLE
LOCK-IN
4
FIRST
ABNORMAL OR
NORMAL
ACKNOWLEDGE
BEFORE SIL
TO LINE 7
FIRST OUT
RESET
5
SUB.
ABNORMAL OR
NORMAL
6
FIRST
ABNORMAL OR
NORMAL
SILENCE
FIRST SILENCED
FLASHING
SILENT
7
SUB.
ABNORMAL OR
NORMAL
SILENCE
ACKNOWLEDGE
ON
SILENT
MANUAL
RESET
REQUIRED
8
FIRST
ABNORMAL OR
NORMAL
ACKNOWLEDGE
AFTER SILENCE
TO LINE 7
FIRST OUT
RESET
9
NORMAL
RESET
NORMAL
OFF
SILENT
MANUAL
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
ISA F2A-1
– Automatic Reset First Up
This sequence is the same as ISA F2M-1 with the exception that the alarms
are automatically reset once the process has returned to normal.