Ronan X11SN - Manual (Page 13)

PROCESS
PROCESS
PROCESS PROCESS
NORMAL
ABNORMAL OR
NORMAL
ABNORMAL OR
NORMAL
ABNORMAL OR
NORMAL
SUBSEQUENT TO
ABNORMAL
ACKNOWLEDGE
WHILE NORMAL
SUBSEQUENT
ALARM
ACKNOWLEDGE WHILE ABNORMAL
NORMAL
ACKNOWLEDGED FIRST ALARM
ACKNOWLEDGE
(FIRST OUT RESET)
FIRST TO
ABNORMAL
RETURN TO
NORMAL
ON
OFF
ON SLOW FLASHING
SEQUENCE
SEQUENCE
SEQUENCE SEQUENCE
VISUAL
VISUAL
VISUAL VISUAL
AUDIBLE
AUDIBLE
AUDIBLE AUDIBLE
AUDIBLE
SILENT
SILENT AUDIBLE
SEQUENCE DIAGRAM 9.5 F2A, Automatic Reset First Out
with No Subsequent Alarm
Flashing
(Ronan ID FS)
1. Acknowledge, reset, and test push
buttons.
2. Alarm audible device.
3. Lock-in of momentary alarms until
acknowledged.
4. Flashing indication for first alarm only.
New subsequent alarms have the
same visual indication as acknow-
ledged alarms.
5. First out indication is reset when
acknowledged.
6. Automatic reset of acknowledged
alarm indications when process
conditions return to normal.
7. Operational test.
9.6 F2M, Manual Reset First Out with
No Subsequent Alarm Flashing
(Ronan ID FSM)
1. Acknowledge, reset, and test push
buttons.
2. Alarm audible device.
3. Lock-in of momentary alarms until
acknowledged.
4. Flashing indication for first alarm only.
New subsequent alarms have the
same visual indication as acknow-
ledged 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.
12
9.0 SEQUENCES (CONT.)
PROCESS
PROCESS
PROCESS PROCESS
NORMAL
ABNORMAL OR
NORMAL
ABNORMAL OR
NORMAL
ABNORMAL OR
NORMAL
SUBSEQUENT TO
ABNORMAL
SUBSEQUENT
ALARM
ACKNOWLEDGE
NORMAL
ACKNOWLEDGED FIRST ALARM
ACKNOWLEDGE
(FIRST OUT RESET)
FIRST TO
ABNORMAL
RESET WHILE
NORMAL
ON
OFF
ON SLOW FLASHING
SEQUENCE
SEQUENCE
SEQUENCE SEQUENCE
VISUAL
VISUAL
VISUAL VISUAL
AUDIBLE
AUDIBLE
AUDIBLE AUDIBLE
AUDIBLE
SILENT
SILENT AUDIBLE
SEQUENCE DIAGRAM