SmartAlarm Instruction Manual Rev 2
Page 86 of 115
ISA A-1-2
– Automatic Reset – Silence Pushbutton Interlock
PROCESS
SEQUENCE
VISUAL
AUDIBLE
ABNORMAL
OR NORMAL
ALARM
FLASHING
AUDIBLE
SEQUENCE
PROCESS
OFF
VISUAL
AUDIBLE
SILENT
NORMAL
NORMAL
SILENCE
RETURN
TO NORMAL
TO
ABNORMAL
ACKNOWLEDGE
AUDIBLE
VISUAL
SEQUENCE
PROCESS
ABNORMAL
OR NORMAL
SILENT
FLASHING
SILENCE
ABNORMAL
OR NORMAL
PROCESS
VISUAL
AUDIBLE
SEQUENCE
ON
SILENT
ACKNOW
Sequence Features
1. Acknowledge, silence and test pushbuttons.
2. Alarm audible device
3. Lock In of momentary alarms until acknowledged
4. Silence pushbutton must be pressed before acknowledge
5. Silence stops the audible alarm only
6. The flashing stops when acknowledged.
7. Automatic reset of acknowledged alarms when the process has
returned to normal
8. Operational test