Endress+Hauser Micropilot FMR56 - Page 75

Micropilot FMR50/FMR51/FMR52/FMR53/FMR54/FMR56/FMR57 FOUNDATION Fieldbus The "Expert" menu
Endress+Hauser 75
Dependencies of the "Dead time" parameter for "Medium type" = "Solid"
Max. filling
speed solid
Max. draining speed solid
Very slow
< 0,5m
(1,6ft)/h
Slow
< 1m (3,3ft)/h
Standard
< 2m (6,5ft)/h
Medium
< 4m (13ft)/h
Fast
< 8m (26ft)/h
Very fast
> 8m (26ft)/h
No filter / test
Very slow
< 0,5m
(1,6ft)/h
180 s 180 s 120 s 60 s 40 s 0 s 0 s
Slow
< 1m (3,3ft)/h
180 s 180 s 120 s 60 s 40 s 0 s 0 s
Standard
< 2m (6,5ft)/h
120 s 120 s 60 s 60 s 40 s 0 s 0 s
Medium
< 4m (13ft)/h
60 s 60 s 60 s 40 s 40 s 0 s 0 s
Fast
< 8m (26ft)/h
40 s 40 s 40 s 40 s 20 s 0 s 0 s
Very fast
> 8m (26ft)/h
0 s 0 s 0 s 0 s 0 s 0 s 0 s
No filter / test 0 s 0 s 0 s 0 s 0 s 0 s 0 s
Additional information Application
Sudden changes of the measured distance are ignored during the time span defined in this
parameter. In this way it is possible to prevent short-term interferences form disturbing
the output signal.
t
D
2
3
1
A0016164
 7 Effect of the dead time
1 Dead time
2 Signal before the dead time filter
3 Signal after the dead time filter
Disadvantages
• The device slows down.
• Fast level changes are registered with a delay.