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5.
Description of functions
5.1
Full-scale range Q
100%
Fct. 1.01 FULL SCALE
Press
→
key
Select unit for full-scale range Q
100%
••
m
3
/hr
(cubic meters per hour)
•
Liter/Sec
(liters per second)
•
US.Gal/min
(US gallons per minute)
•
User-defined unit, factory setting =
“Liter/hr”
(liters per hour) or
“US Mgal/day”
, see sect. 5.14
Select with
↑
and
↓
keys.
Use
→
key to change to numerical setting, 1st number (cursor) flashes.
Set full-scale range Q
100%
The setting range depends on the meter size (DN) and the flow velocity (v):
Q
min
=
π
4
x DN
2
x v
min
Q
max
=
π
4
x DN
2
x v
max
(refer to flow table in Section 10.1)
Change flashing number (cursor) with
↑
and
↓
keys.
Use
←
and
→
keys to shift cursor 1 place to left or right.
Flashing numbers (cursor) can also be directly set with the 10-key keyboard.
Press
↵
key to return to Fct. 1.1 FULL SCALE
Please note that if “VALUE P” or “VALUE P2” is displayed after pressing
↵
↵
key:
PULSE/VOL. is set in Fct. 1.06 PULS P and/or in Fct. 1.07 PULS 2 A1, subfunction “SELECT P” and/or “SELECT P2”.
Due to the changed full-scale range Q
100%
, the output frequency (F) of the pulse outputs is either exceeded or not reached:
P
min
= F
min
/ Q
100%
P
max
= F
max
/ Q
100%
Change pulse value accordingly, see sect. 5.8 Pulse output P, Fct. 1.06 and/or 2nd pulse output A1, Fct. 1.07.
5.2
Time constant
Fct. 1.02 TIMECONST.
Press
→
key
Select
•
ALL
(applies to display and all outputs)
•
ONLY I
(applies only to display, current and status outputs)
Select with
↑
and
↓
keys.
Press
↵
key to change to numerical setting, 1st number (cursor) flashes.
Set numerical value
•
0.2 – 99.9 s (seconds)
Change flashing number (cursor) with
↑
and
↓
keys.
Use
←
and
→
keys to shift cursor 1 place to left or right.
Flashing numbers (cursor) can also be directly set with the 10-key keyboard.
Press
↵
key to return to Fct. 1.02 TIMECONST.
