7.30830.32.00
25
Fct. No.
Text
Description and setting
1.0
OPERATION
Operating menu
FULL SCALE
Full-scale range for flow rate
Q100%
Selection of unit
•
m
3
/hr, liter/Sec, US.Gal/min
•
user unit, factory setting “Liter/hr” or “US Mgal/day” (see Fct. 3.05)
Press
→
key to change to numerical setting
Setting ranges
The range depends on the nominal width (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
(v
min
=0.3 m/s (1 ft/s);
v
max
=12 m/s (40 ft/s))
1.01
→
VALUE P
and/or
→
VALUE P2
Pulse value for pulse output P
(Fct. 1.06 “VALUE P”) and/or
for the 2nd pulse output A1
(Fct. 1.07 “VALUE P2”)
has been changed
.
With the “old” pulse values the output frequency (F) would have
been exceeded or would not have been reached.
P
min
= F
min
/ Q
100%
P
max
= F
max
/ Q
100%
Check new values!
1.02
TIMECONST.
Time constant
Selection:
- ALL (applies to display and all outputs)
- ONLY I (only display, current and status outputs)
Press
↵
key to change to numerical setting.
Range:
- 0.2 – 99.9 Sec
Press
↵
key to return to Fct. 1.02 TIMECONST.
1.03
L.F. CUTOFF
Low-flow cutoff (L.F. Cutoff)
•
OFF (fixed tripping points: ON = 0.1% / OFF = 0.2%)
•
PERCENT (variable tripping points)
ON
OFF
1–19%
2-20%
Press
→
key to change to numerical setting
Note: the cutoff “OFF” value must be greater than the CUTOFF “ON” value.
Press
↵
key to return to Fct. 1.03 L.F. CUTOFF.
1.04
DISPLAY
Display functions
→
DISP.FLOW
Selection of flow display
•
NO DISP.
•
User unit, factory setting “Liter/hr” or “US Mgal/day” .
•
m3/hr
•
PERCENT
•
Liter/Sec
•
BARGRAPH (value and bargraph display in %)
•
US.Gal/min
Press
↵
key to change to subfunction “DISP. TOTAL.”
→
DISP.TOTAL.
Selection of totalizer display
•
NO DISP. (totalizer is ON but no display)
•
OFF (totalizer is OFF)
•
+ TOTAL.
•
-TOTAL.
•
+/- TOTAL.
•
SUM (
Σ
)
•
ALL (display single counts or all)
Press
↵
key to change to setting of display unit.
•
m3
•
Liter
•
US.Gal
•
User unit, factory setting “Liter”
Press
→
key to transfer to format setting.
Format setting
•
Auto
(exponent notation)
•
#.#######
•
#####.###
•
##.######
•
######.##
•
###.#####
•
#######.#
•
####.####
•
########
Press
↵
key to change to subfunction “DISP.LEVEL”
→
DISP.LEVEL
Display measured (relative) level of fluid
•
NO
•
YES (cyclic change with display of measured values)
Press
↵
key to change to subfunction “DISP. MSG.”
→
DISP.MSG.
Additional messages desired during measuring mode?
•
NO
•
YES (cyclic change with display of measured values)
Press
↵
key to return to Fct. 1.04 DISPLAY.
1.05
CURRENT I
Current output I
→
FUNCT. I
Selecting the current output I function
•
OFF (switched off)
•
+ DIR.
•
-DIR. (measurement in one flow direction only)
•
2 DIR. (forward/reverse flow, F/R mode)
Press
↵
key to change to subfunction “RANGE I”; if “2 DIR.” is selected
press this key to change to subfunction “REV. RANGE”.
→
REV.RANGE
Setting the full-scale range for reverse flow of Q
100%
(only displayed when “2 DIR.” is selected)
•
100 PCT. (same as forward flow Q
100%
, see Sect. 1.01)
•
PERCENT setting range: 0.05 – 150% of Q
100%
(different value for reverse flow)
Press
→
key to change to numerical setting!