KROHNE IFC 020 Short EN User Manual
Page 16
4/2
Condensed instructions IFC 020
π
4
π
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4.2 Table of settable functions
Fct.
Text
Description and settings
1.00
OPERATION
Operations menu
1.01
FULL SCALE
Full-scale range for flowrate Q
100%
Select unit
• m
3
/hr
• Liter/Sec
• US.Gal/min
• user unit, factory set is “Liter/hr” or “US MGal/day” (see Fct. 3.05)
Press
→ key to transfer to number setting.
Setting ranges
The ranges are dependent on the meter size (DN) and the flow
velocity (v): Q
min
= DN
2
x v
min
Q
max
= DN
2
x v
max
Nom. dia./meter size
v
min
= 0,3 m/s (1 ft/s) v
max
= 12 m/s (40 ft/s)
• DN 2.5–1000 /
1
/
10
”–40”:
0.0053 –
0
33 900 m
3
/hr
0.0237 –
152 000 US.Gal/min
Press
↵ key to return to Fct. 1.01 FULL SCALE.
→ VALUE P
Pulse value (Fct. 1.06 “VALUE P”) has been changed.
With the “old” pulse values the output frequency (F)
would have been exceeded or not reached.
P
min
= F
min
/ Q
100%
P
max
= F
max
/ Q
100%
Check new values!
1.02
TIMECONST.
Time constant
Select:
• ALL (applies to display and all outputs)
• ONLY I+S (only display, current and status outputs)
Press
↵ key to transfer to number setting.
Range:
• 0.2 – 99.9 Sec
Press
↵ key to return to Fct. 1.02 TIMECONST.
1.03
L.F.CUTOFF
Low-flow cutoff (SMU)
• OFF (fixed values: ON = 0.1% / OFF = 0.2%
at 100Hz and 1000Hz, see Fct. 106, 1% resp. 2%)
• PERCENT (variable values)
ON OFF
1 – 19% 2 – 20%
Press
→ key to transfer to number setting.
Note: Cutoff “off” value must be greater than cutoff “on” value.
Press
↵ key to return to Fct. 1.03 L.F. CUTOFF.
1.04
DISPLAY
Display functions
→ DISP.FLOW
Select flow display
• NO DISP. • user unit, factory set is “Liter/hr” or “US MGal/day (see Fct. 3.05)
• m3/hr
• PERCENT
• Liter/Sec
• BARGRAPH (value and bargraph display in %)
• US.Gal/min
Press
↵ key to transfer to subfunction “DISP. TOTAL.”.
→ DISP.TOTAL.
Select totalizer display
• NO DISP. (totalizer switched on but not displayed)
• OFF (totalizer switched off)
•
+TOTAL
•
−TOTAL
•
±TOTAL
• SUM (
Σ)
• ALL (single totalizer or all)
Press
↵ key to transfer to display unit
• m3
• Liter
• US.Gal
• user unit, factory set is “Liter” or “US MGal” (see Fct. 3.05).
Press
→ key to transfer to format setting.
Format setting
• Auto (exponent notation)
• # . #######
• ##### . ###
• ## . ######
• ###### . ##
• ### . #####
• ####### . #
• #### . ####
• ########
Press
↵ key to transfer to subfunction “DISP.MSG”.
→ DISP.MSG.
Additional messages required in measuring mode?
• NO
• YES (cyclic change with displays of measured values)
Press
↵ key to return to Fct. 1.04 DISPLAY.