Proline Promag L 400 PROFIBUS DP Operation
Endress+Hauser 97
A0016222
30 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.
Navigation
"Diagnostics" menu → Data logging
"Data logging" submenu
‣
Data logging
Assign channel 1
Assign channel 2
Assign channel 3
Assign channel 4
Logging interval
Clear logging data
‣
Display channel 1
‣
Display channel 2
‣
Display channel 3
‣
Display channel 4
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