Endress+Hauser Proline Promass Q 500, Руководство по эксплуатации

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Proline Promass Q 500 PROFIBUS PA Operation
Hauser 157
Parameter overview with brief description
Parameter Prerequisite Description Selection / User
entry
Factory setting
Control Totalizer 1 to n – Control totalizer value. • Totalize
• Reset + hold
• hold Totalize
Preset value 1 to n In the Assign process variable
parameter one of the following
options is selected:
• Volume flow
• Mass flow
• Corrected volume flow
• Total mass flow
• Condensate mass flow
• Energy flow
• Heat flow difference
Specify start value for totalizer. Signed floating-point
number
0 kg
Reset all totalizers – Reset all totalizers to 0 and
start. • Cancel
• Reset + totalize Cancel
11.7 Showing data logging
The Extended HistoROM application package must be enabled in the device (order
option) for the Data logging submenu to appear. This contains all the parameters for the
measured value history.
Data logging is also available via:
• Plant Asset Management Tool FieldCare →  83.
• Web browser
Function range
• A total of 1000 measured values can be stored
• 4 logging channels
• Adjustable logging interval for data logging
• Display of the measured value trend for each logging channel in the form of a chart
A0016357
 32 Chart of a measured value trend
• x-axis: depending on the number of channels selected displays 250 to 1000 measured
values of a process variable.
• y-axis: displays the approximate measured value span and constantly adapts this to the
ongoing measurement.
If the length of the logging interval or the assignment of the process variables to the
channels is changed, the content of the data logging is deleted.