KROHNE IFC 110 Converter - Manual (Page 40)

Sect. 5.1 Part B IFC 110 F Signal converter
40 IFC 110 F 05/2003
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%
• m³/h (cubic metres per hour)
• Liter/Sec (litres per second)
• US.Gal/min (US gallons per minute)
• User-defined unit, factory setting = ”Liter/h” (litres per hour) or “US MGal/day”,
see Section 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
= DN² x v
min
Q
max
= DN² x v
max
(refer to flow table in Section 10.2)
Nom. diameter/meter size
• DN 2.5 – 1200 /
1
/
10
” – 48”: 0.0053 – 48 860 m³/h
0.0237 – 218 560 US.Gal/min
• DN 1300 – 3000 / 52” – 120”: 1435 – 305 360 m³/h
(refer to Section 8.6) 6415 – 1 366 000 US.Gal/min
Change flashing number (cursor) with ↑ and ↓ keys.
Use → and ← keys to shift cursor 1 place to right or left.
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 Section 5.07 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 keys ↑ and ↓.
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 keys ↑ and ↓ .
Use → and ← keys to shift cursor 1 place to right or left.
Flashing numbers (cursor) can also be directly set with the 10-key keyboard.
Press
↵ key to return to Fct. 1.02 TIMECONST.
π
4
π
4