Endress+Hauser Levelflex FMP51 Operating Instructions Manual page 181

Levelflex FMP51, FMP52, FMP54
Description
Input range
Factory setting
Additional information
Clear logging data
Navigation
Description
Options
Factory setting
Display channel 1-4
Navigation
Endress+Hauser
Definition of the logging interval t
individual data points in the data log, and thus the maximum loggable process time T
• If 1 logging channel is used: T
• If 2 logging channels are used: T
• If 3 logging channels are used: T
• If 4 logging channels are used: T
Once this time elapses, the oldest data points in the data log are cyclically overwritten such that a
time of T always remains in the memory (ring memory principle).
log
The log contents are cleared if the length of the logging interval is changed.
1.0 to 3 600.0 s
10.0 s
Example
If 1 logging channel is used:
= 1000 × 1 s = 1 000 s @ 15 min
• T
log
= 1000 × 10 s = 10 000 s @ 3 h
• T
log
= 1000 × 80 s = 80 000 s @ 1 d
• T
log
= 1000 × 3 600 s = 3 600 000 s @ 41 d
• T
log
Diagnostics ® Data logging ® Clear logging data
Use this function to clear the entire logging data.
• Cancel
The data are not cleared. All the data are retained.
• Clear data
The logging data are cleared. The logging process starts from scratch.
Cancel
Diagnostics ® Data logging ® Display channel 1
Diagnostics ® Data logging ® Display channel 2
Diagnostics ® Data logging ® Display channel 3
Diagnostics ® Data logging ® Display channel 4
Description of device parameters (operating menu)
for data logging. This defines the interval between the
log
= 1000 × t
log log
= 500 × t
log log
= 333 × t
log log
= 250 × t
log log
:
log
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