KROHNE TIDALFLUX IFM 4110 PF EN - Manual (Page 25)

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!