KROHNE IFC 020 Converter EN - Manual (Page 27)

4/8 Installation and operating instructions IFC 020
3.03 ZERO SET Zero calibration
Note: Carry out only at “0” flow and with completely filled
measuring tube!
Precautionary query
• CALIB. NO Press ↵ key to return to Fct. 3.03 “ZERO SET”.
• CALIB. YES Press ↵ key to start calibration.
Duration approx. 15-90 seconds, (depends on frequency
of magnetic field) current flowrate displayed in the selected
unit (see Fct. 1.04 “DISP. FLOW”).
A “WARNING” sign appears when flowrate “> 0“;
acknowledge by pressing ↵ key.
• STORE NO (do not store new zero value)
• STORE YES (store new zero value)
Press
↵ key to return to Fct. 3.03 “ZERO SET”.
3.04 ENTRY CODE Entry code required to enter setting mode?
• NO (= entry with → only)
• YES (= entry with → and Code 1: → → → ↵ ↵ ↵ ↑ ↑ ↑ )
Press ↵ to return to Fct. 3.04 “ENTRY CODE”.
Fct. Text Description and settings
3.00 INSTALL. Installation menu
3.01 LANGUAGE Select language for display texts
• GB / USA (English) • F (French)
• D (German) • others on request
Press ↵ key to return to Fct. 3.01 “LANGUAGE”.
3.02 FLOWMETER Set data for primary head
→ DIAMETER Select size from meter size table
• DN 2.5 - 1000 mm equivalent to 1 /
10
- 40 inch
Select with ↑ or ↓ key.
Press ↵ key to transfer to subfunction “FULL SCALE”.
→ FULL SCALE Full-scale range for flow Q
100%
To set, refer to Fct. 1.01 “FULL SCALE” above.
Press ↵ key to transfer to subfunction “GK VALUE”.
→ 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!
→ GK VALUE Primary head - Set primary constant GK
see primary head nameplate.
Range: • 1.0000 - 9.9999
Press ↵ key to transfer to subfunction “FIELD. FREQ.”.
→ FIELD FREQ. Magnetic field frequency
Values: 1/6 and 1/18 of power frequency, see nameplate.
Press ↵ key to transfer to subfunction “FLOW DIR.”;
DC units only: to transfer to subfunction “LINE FREQ.”.
→ LINE FREQ. Normal line frequency in your country
Please note: This function is only provided for units
with DC power supply 24 V DC to suppress line-frequency interference.
Values: 50 Hz and 60 Hz
Press ↵ key to transfer to subfunction “FLOW DIR.”.
→ FLOW DIR. Define flow direction (in F/R mode: forward flow).
Set according to direction of arrow on primary head:
• + DIR. • – DIR. Select using ↑ or ↓ key.
Press ↵ key to return to Fct. 3.02 “FLOWMETER”.