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DA5-IU-C
Seite 6
Seite 6
8
.3 Drawn quantity
Instead of the level, the drawn quantity should be
displayed.
Again 4..20 mA is chosen as input range. Assign
10 as „displayed value at min.
input signal“ to the lo west input level (5 mA) and
0 as „displayed value at max. input signal“
(19 mA).
8.4 Level measurement with limited
display range
A third example is level measurement with limit-
ed display range, that means a tank with 10 m
3
have to be filled up at best to 8 m
3
and its level
should not decrease below 1 m
3
. At values
> 8 m
3
the dis play is to show „hi“ and at values
< 1 m
3
the display is to show „lo“. 4..20 mA is
chosen as input range.
Assign 0 as „displayed value at min. input signal“
to the lo west input level and 10 as „displayed va -
lue at max. input signal“to the highest input level.
Additionally, program for menu item „min. input
signal“, the value of which cor re sponds to the
1m
3
level, e.g. 5.6 mA. Do the same for menu
item „max. input signal“ with the va lue which cor -
re sponds to the 8 m
3
level, e.g. 16.8 mA.
At input levels > 16.8 mA „hi“ will be displayed
and at input levels < 5.6 mA „lo“.
Min. input voltage
or min. input cur-
rent can be shift-
ed inside the
input voltage
range or the
input current
range
Max. input
voltage or
m
ax. input
current can
b
e shifted
inside the
input voltage
range or the
input current
range
Displayed value can be freely
adjusted to the input value
inside the display range.
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