view user manual (pdf) - dyna-flo control valves

Operation
31 VENT1
32 VENT2
Number of cycles pre--control valve 1
and
Number of cycles pre--control valve 2
These two counters add up the control processes of the pre--control
valves.
33 STORE
Store maintenance data
A store function is triggered by pressing the increment key for at
least 5 seconds. Here the diagnostic data 7 to 17 are stored in a non--
volatile memory as ”Data of the last maintenance”. These diagnostic
data are selected values, the changes of which can provide information
on the mechanical wear of the valve.
Normally this function is operated via PDF, menu item Instrument!Store
maintenance info. It is possible to compare the data of the
last maintenance with the current data via PDM.
34 PRUP
35 PRDN
Prediction up
Prediction down
see chapter 4.7 page 110).
36 WT00 to
43 WT95
Setting
range
section
Number of operating hours in distance class WT00 to WT95
If the positioner is in automatic mode, statistics are constantly kept for
how long a valve or a flap has been operated in which section of the
setting range. To do this, the total setting range (0 to 100%) is divided
into 8 sections (distance classes). The positioner continuously registers
the current position and increments the operating hours meter
assigned to the corresponding section (distance class) every hour. This
allows returns to previous operating conditions and is particularly used
to evaluate the control properties of the control circuit or the entire fitting.
The setting range is divided as follows:
WT00 WT05 WT10 WT30 WT50 WT70 WT90 WT95
≥5 % ≥10 % ≥30 % ≥50 % ≥30 % ≥90 % ≥95 %