Operate
6.2 Parameter description
SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
137
"3.9.2.1 Selected Zoomfactor"
Factory setting:
24.0 h
Adjustment range:
•
24.0 h
•
12.0 h
•
6.0 h
•
3.0 h
•
1.5 h
Purpose:
Selection of the resolution for the trend
Description:
The trend is shown in an x-y diagram. The x-axis shows the past time (t) in
negative [h], the y-axis shows the measured values in the selected unit.
The period of the trend is assigned to 5 parameter steps. A total of 20 min.
and max. values are recorded in a trend curve.
This parameter specifies the period over which the trend of the selected
measured variable is displayed.
If you select a value smaller than 24 h, you can zoom into the overall trend
and view just an extract. The keys then allow you to select the section to
display.
"3.9.2.2 .. 3.9.2.5 Sensortemp."
Purpose:
Select trend measured value
Description:
With these parameters you select which measured variable is presented as
a Gantt chart.
•
"3.9.2.3 PV"
•
"3.9.2.4 Stat. Pres"
•
"3.9.2.5 Untr. Pres"
•
"3.9.2.6 Sensortemp."
6.2.4.10
"3.10 Logbook"
Purpose:
Display the logbook
Description:
The parameters changed by local operation and via HART are saved with a
time stamp. The following changes will be documented:
•
"3.10.1 Pres. LRV Time"
•
"3.10.2 Pres. URV Time"
•
"3.10.3 Damping time"
•
"3.10.4 Mount and Offset Corr. Time"
•
"3.10.5 Pres Transfer Func Time"
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