Omega Engineering CN3271 Series User Manual page 16

NOTE:
1) For band alarm, H.A./H.A.Ac/H.L. signifies
outside band alarm, while L.A./ L.A.Ac/L.L.
signifies inside band alarm.
2) The "Silence" function allows the manual reset
of the alarm even if the alarm condition is still in
progress.
Example Example for P2 = H.A. Example Example Example
(Alarm
Hysteresis)
Alarm status*
Relay
Non alarm status
ON
ALM LED FLASH
FLASH
OFF
Manual
reset
* Alarm Status: Relay energized (P3 = dir)
Relay de-energized (P3 =rEV)
Example Example Example Example Example for P2 = H.A.A.c
(Alarm
Hysteresis)
Alarm status*
Relay
Non alarm status
ON
ALM LED
FLASH FLASH
OFF
Manual
reset
* Alarm Status: Relay energized (P3 = dir)
Relay de-energized (P3 =rEV)
LHL-1-NEUTRO.pmd 13
Example Example Example for P2 = H.L. Example Example
(Alarm
Hysteresis)
Alarm status*
Relay
Non alarm status
ON
(Alarm
ALM LED
FLASH
threshold)
OFF
Manual
reset
* Alarm Status: Relay energized (P3 = dir)
Relay de-energized (P3 =rEV)
P3 = Alarm Action P3 = Alarm Action P3 = Alarm Action P3 = Alarm Action P3 = Alarm Action
(Skipped if option not is available or P1 = none)
dir = Direct action
(Relay energized in alarm condition)
rEV = Reverse action
(Relay energized in non-alarm condition)
(Alarm
threshold)
13
19/04/2004, 15.07
(Alarm
threshold)
FLASH
Manual
reset