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C4C4
C4C4
C4
==
==
=
Shutdown memoryShutdown memory
Shutdown memoryShutdown memory
Shutdown memory
0 = The shutdown condition will be saved (at
next power up it will be reactivated)
1 = The shutdown condition will be lost in
case of power down
C5 =C5 =
C5 =C5 =
C5 =
Time Constant of the Filter appliedTime Constant of the Filter applied
Time Constant of the Filter appliedTime Constant of the Filter applied
Time Constant of the Filter applied
to the Measured Value for Limitto the Measured Value for Limit
to the Measured Value for Limitto the Measured Value for Limit
to the Measured Value for Limit
Action.Action.
Action.Action.
Action.
Range: From 0 (filter OFF) to 8 seconds
Note: First order filter with selected time
Constant.
P1P1
P1P1
P1
= Alarm Function= Alarm Function
= Alarm Function= Alarm Function
= Alarm Function
(Skipped when the option is not available)
nonE = Not provided
AL.P = Process alarm
AL.b = Band alarm
AL.d = Deviation alarm
When C1 = Hi.Lo, “AL.b” and “AL.d” are not
available.
P2P2
P2P2
P2
==
==
=
Alarm configurationAlarm configuration
Alarm configurationAlarm configuration
Alarm configuration
(Skipped if option is not available or P1 = none)
H.A. = High alarm with automatic reset
L.A. = Low alarm with automatic reset
H.A.Ac = High alarm with automatic reset and
"Silence" function.
L.A.Ac =Low alarm with automatic reset and
"Silence" function.
H.L. = High alarm with manual reset
L.L. = Low alarm with manual reset
HS
(Limiter
Hysteresis)
ON
Relay OUT 1
OFF
ON
OFF
“Reset” LED
Flash
Steady
Upper display
FLASH
FLASH
Su
(Limiter
threshold)
HS
(Limiter
Hysteresis)
ON
Relay OUT 1
OFF
ON
OFF
“Reset” LED
Flash
Steady
Upper display
FLASH
FLASH
FLASH
FLASH
Su
(Limiter
threshold)
A, B, C = Acknowledgment actions.
NOTE: Acknowledgment B has no effect.
Example 2 - C1 = Hi and C2 = 1
A, B = Acknowledgment actions.
C3C3
C3C3
C3
==
==
=
Rearm at Power-upRearm at Power-up
Rearm at Power-upRearm at Power-up
Rearm at Power-up
Auto = Automatic rearm
nAn = Manual rearm
LHL-1-NEUTRO.pmd 19/04/2004, 15.0712