Burkert 8619 Operating Instructions Manual page 87

Type 8619
Parameters menu
- UNIT: Select the units in which the digital input, the analogue output, the physical parameter, a
value entered by the user (PVC) or a value coming from a PLC (PVN), selected in the PV list above, is
displayed.
- FILTER: Select the level of attenuation for the measurement signal on the digital input, the analogue
output, the physical parameter, a value entered by the user (PVC) or a value coming from a PLC (PVN)
displayed on the line selected. Three levels of attenuation are proposed: "slow" (slow filtering has a
high attenuation effect), "fast" (fast filtering) or "none" (no filtering)
"Slow" filter
Fig. 53: Filtering curves
U1:PH 29/06/2010 13:40
7 pH
1
MENU
Fig. 54: Examples of customised views with 1, 2 and 4 lines
LINE: Set the parameters for the graph displayed in a customised "Ux" view:
- PERIOD: Enter the graph refresh period in seconds.
- Y MIN: Enter the minimum value on the vertical axis for the PV selected.
- Y MAX: Enter the maximum value on the vertical axis for the PV selected.
29/06/2010
U1:PROCESS1
Ymax ±100.0°C
Ymin
±15.00°C
MENU
Fig. 55: Example of a customised view of a graph
t
6 s
30 s
"Fast" filter
U2:PH_COND
29/06/2010 13:40
7 pH
2
2
1 S/cm
3 3
MENU
13:40
±32.00°C
measured value of the process parameter
t
t
150 ms
"No" filter
29/06/2010
U3:PROCESS1 13:40
7 pH
1
1 S/cm
3
205 l/min
0
±43 °C
1
MENU
English
87