WIKA DI35 - Manual (Page 35)

6 Commissoning, operation
WIKA operating instructions digital indicator model DI35-M 35
CAUTION!
The updating of other functional components (analogue
output and relay) is carried out cyclically with the set
measuring time. If the measuring time is set very short, it is
possible that there will be jumps in the analogue output in the
case of a noisy signal or a brief switching of the relay. When
selecting the measuring time, it should be borne in mind that
the MIN / MAX memory receives its values on the basis of the
set measuring time. Should the peaks of a turbulent signal be
recorded, it may certainly be worthwhile to choose a very
short measuring time.
PN15: Display mode
The device supports several operational modes, which are selectable under
PN15.
PN15=
Description
1 Instantaneous value: Operational mode „instantaneous value“
is equal to the standard display, where the last measured value
is displayed.
2 Minimal value display: In this operational mode, the smallest
occurred display value, since the last minimal value reset, is
displayed. The minimal value reset is actuated by boot-up
(switching-on) or by the digital input/ multi-function key.
3 Maximal value display:
In this operational mode, the largest occurred display value,
since the last maximal value reset, is displayed. The maximal
value reset is actuated by boot-up (switching-on) or by the
digital input/ multi-function key.
5 Sliding average value: The complete average time is a results
of the product or a multiplication of time and recorded average
value PN14 x PN12. If one wants to see this result in the
display, the display mode PN15 needs to be programmed
parallel on this result. This must be pointed out with an optional
analogue output or with the relays, too.
6 Totalisator value: In operation mode „Totalisator value“, the
totalisator- / sum value is displayed. With this value by means of
an active flow rate, a volume about the time can be collected.
As this time can be very long (approx. 1 year), the value needs
to be displayed in a individual adjustable dimension.
7 Absolute value: In operation mode „absolute value“ the display
shows the value that has been measured since voltage
connection, without consideration of a previous taring.
8 Trigger mode: In operation mode „trigger mode“ the