Endress+Hauser RIA 450 - Alarm Set Point Parameters

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 Setting up selections
Default
settings
Actual
settings
* Relay settings
MODE
Set point monitor 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.
OFF
MO
DE
* Set point
SP
Enter set point Values:
-999to9999
see example in chapter 6.1
Parameter only available when
MODE is on
MIN, MAX or TRD.
50,0
SP
* Hysteresis
HYST
Setting the reset switch
hysteresis
Values:
-999to9999
see example chapter 6.1
Parameter only available when
MODE is on
MIN or MAX
1,0
HY
ST
* Reset set point
RESP
Reset switch point on
trend monitoring
Values:
-999to9999
see example chapter 6.1
Parameter only available when
MODE is on TRD
0,0
RE
SP
LIME
LI
M1
Process display
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