User Manual

37
alarm parameTers (ALn)
Alarm
Assignment
Alarm
Action
Alarm
Value
Alarm
Band/Deviation
Value
Alarm
Hysteresis
Value
On Time
Delay
Off Time
Delay
Alarm
Logic
F1
F2
P
D
Pro
NO
Pro
ALr
SLCt
ALn
ASGN
An
NONE
ACtN
An
NO
ALr
An
0.0
°F
bdEU
dn
0.O
°F
HYSt
An
0.2
°F
tON
An
0.0
SEC
tOFF
An
0.O
SEC
LGIC
An
nor
Reset
Action
rSEt
An
Auto
Standby
Operation
StbY
An
NO
Probe
Burn-out
Action
IFLt
An
OFF
ALARM ASSIGNMENT
NONE PU
Selects the parameter to be used to trigger the Alarm.
NONE
= No Alarm Assignment (alarm disabled)
PU
= Input Process Value
ALARM ACTION
NO AbHI AbLO AUHI AULO
dEHI dELO bANd bdIn
Enter the action for the selected alarm. See Alarm Figures for a
visual detail of each action.
NO
= No Alarm Action
AbHI
= Absolute high, with balanced hysteresis
AbLO
= Absolute low, with balanced hysteresis
AUHI
= Absolute high, with unbalanced hysteresis
AULO
= Absolute low, with unbalanced hysteresis
dEHI
= deviation high, with unbalanced hysteresis
dELO
= deviation low, with unbalanced hysteresis
bANd
= Outside band, with unbalanced hysteresis
bdIn
= Inside band, with unbalanced hysteresis
ASGN
An
NONE
ACtN
An
NO
Setpoint Alarm Figures
With reverse logic rEv, the below alarm states are opposite.
ALARM
STATE
OFF
ON
Hys
AL + Hys
AL
OFF
TRIGGER POINTS
ALARM
STATE
OFF
ON
Hys
AL- Bnd
AL
OFF
AL + Bnd
ON
OFF
Hys
TRIGGER POINTS
Absolute Low Acting (Unbalanced Hys) = AULO
Band Outside Acting = bANd
ALARM
STATE
OFF
ON
Hys
AL + ½Hys
AL
AL - ½Hys
OFF
TRIGGER POINTS
ALARM
STATE
OFF
ON
Hys
AL + Dev
AL
OFF
TRIGGER POINTS
ALARM
STATE
ON
OFF
Hys
AL - Bnd
AL
ON
AL + Bnd
OFF
ON
Hys
TRIGGER POINTS
Absolute Low Acting (Balanced Hys) = AbLO
Deviation High Acting (Dev > 0) = dEHI
Band Inside Acting = bdIn
ALARM
STATE
OFF
ON
Hys
AL
AL - Hys
OFF
TRIGGER POINTS
ALARM
STATE
OFF
ON
Hys
AL - Dev
AL
OFF
TRIGGER POINTS
ALARM
STATE
ON
OFF
Hys
AL + (-Dev)
AL
ON
TRIGGER POINTS
Absolute High Acting (Unbalanced Hys) = AUHI Deviation Low Acting (Dev > 0) = dELO
Deviation High Acting (Dev < 0) = dEHI
ALARM
STATE
OFF
ON
Hys
AL + ½Hys
AL
AL - ½Hys
OFF
TRIGGER POINTS
Absolute High Acting (Balanced Hys) = AbHI
Please see the Digital Output Parameter’s Configuration area for
more information about mapping an alarm to a digital output.