Alarm Set Point Parameters - Endress+Hauser RIA 450 Manual De Instrucciones

5.2 Alarm set point parameters

These parameters can only be selected if the unit has been fitted with
a relay output board. Various addresses are only available in
conjunction with already set up parameters.
The following description is valid for all set points LIM1 to LIM4
Parameter
* Relay settings
Set point monitor mode
* Set point
Enter set point
* Hysteresis
Setting the reset switch
hysteresis
* Reset set point
Reset switch point on
trend monitoring
Setting up selections
MODE
OFF
Alarm set point and fault
monitoring in-active
MIN
Minimum safety:
Event when the threshold is
undercut and in fault condition.
MAX
Maximum safety:
Event when the threshold is
exceeded and in fault condition.
TRD
Trend analysis:
Event when exceeding the
threshold of signal change per
time unit and in fault condition.
OC
Event only in fault condition,
no alarm set point monitoring.
MIN-
Minimum safety:
Event when the threshold is
undercut.
MAX-
Maximum safety:
Event when the threshold is
exceeded.
TRD-
Trend analysis:
Event when exceeding the
threshold of signal change per
time unit.
SP
Values:
-999 to 9999
see example in chapter 6.1
Parameter only available when
MIN MAX
MODE is on
,
or
HYST
Values:
-999 to 9999
see example chapter 6.1
Parameter only available when
MIN
MODE is on or MAX
RESP
Values:
-999 to 9999
see example chapter 6.1
Parameter only available when
TRD
MODE
is on
Process display
Default
settings
OFF
MO
DE
50,0
SP
TRD
.
1,0
HY
ST
0,0
RE
SP
LIME
LI
M1
Actual
settings
47