Al Rdg": Alarm Readings-Select Delay In Alarm Action; Sp Db": Select "Sp 1"And "Sp 2" Deadband (Hysteresis); Al Db": Select Alarm 1 ("Sp 3") And Alarm 2 ("Sp 4") Deadband (Hysteresis) - Omega DP461-S User Manual

10
Setpoints/Alarms
4. "ALF.4=0"
"ALF.4=1"
Press the 'MENU' button to store any changes and advance to "AL RDG"
(Alarm Reading).

10.7 "AL RDG": ALARM READINGS-SELECT DELAY IN ALARM ACTION

This byte allows you to select the number of input readings required to
trigger Alarm 1 (Setpoint 3) and Alarm 2 (Setpoint 4) action.
When "AL RDG" is displayed, press the 'MIN' button to see two
2-digit numbers, with the first one flashing, indicating that you can reset the
delay for SP3 by pressing the 'MAX' button.
After choosing "SP 3" delay, press the 'MIN' button and select the delay for
"SP 4" by pressing the 'MAX' button.
Store your selections or changes by pressing the 'MENU' button and
advance to "SP DB" (Setpoint Deadband).
10.8 "SP DB": SELECT "SP 1" AND "SP 2" DEADBAND (HYSTERESIS)
The deadband (hysteresis) for Setpoint 1 ("SP 1") and Setpoint 2 ("SP 2") is
displayed with the same decimal point location as chosen for run mode.
This selected hysteresis value is EVENLY SPLIT on both sides of the levels
chosen for "SP 1" and "SP 2".
View the value by pressing the 'MIN' button, reset by pressing the 'MAX'
button, and store by pressing the 'MENU' button. Advance to "AL DB" (Alarm
Deadband).
10.9 "AL DB": SELECT ALARM 1 ("SP 3") AND ALARM 2 ("SP 4")
DEADBAND (HYSTERESIS)
This selected deadband (hysteresis) for Alarm 1 ("SP 3") and Alarm 2
("SP 4") is placed on the INACTIVE side of the selected levels. This results
in immediate action (if zero (0) delay is selected in "AL RDG") when an alarm
limit is exceeded, but defers recovery when the input returns to pre-alarm
levels.
Press the 'MIN' button to view the values, change the values of each
flashing digit by pressing the 'MAX' button, store any changes by pressing
the 'MENU' button. Advance to "OUT.CNF" (Output Configuration).
10-8
makes Alarm 2 (Setpoint 4) a NON-LATCHING Alarm.
makes Alarm 2 (Setpoint 4) LATCHING. This means
that once Alarm 2 (Setpoint 4) is triggered it will remain
active until it is reset by pressing the 'RESET' button
one time or by grounding P2-11 when configuration bit
"ALC.8=1" is set. Reset can also be accomplished via
the optional RS-232 or RS-485 serial communication
board.