Installation and operating instructions
IFC 020
7/1
7. Functional checks
7.1 Zero check Fct. 3.03
Switch off power supply before opening the housing
•
Set
“zero” flow
in the pipeline, but make sure that the
measuring tube
is
completely
filled
with fluid.
•
Switch on the system and wait 15 minutes.
•
Press the following keys for zero measurement:
Key
Display
Description
→
If “YES” set under Fct. 3.04 ENTRY CODE, key in
9-keystroke CODE 1 now:
→ → → ↵ ↵ ↵ ↑ ↑ ↑
Fct. 1.00
OPERATION
2x
↑
Fct. 3.00
INSTALL.
→
Fct. 3.01
LANGUAGE
2x
↑
Fct. 3.03
ZERO SET
→
CALIB. NO
↑
CALIB. YES
↵
0.00
- - - - - / - - -
Flowrate displayed in set unit, see Fct. 1.04 DISPLAY,
subfunction “DISP. FLOW”.
Zero measurement in progress, duration approx. 15 - 90 seconds.
When flow “> 0” “WARNING” notice appears, confirm with
↵
key.
STORE NO
If new value not to be stored, press
↵
key (3x) 4x = return to
measuring mode.
↑
STORE YES
↵
Fct. 3.03
ZERO SET
Store new zero value.
(2x) 3x
↵
- - - - - - -
- - - - - / - - -
Measuring mode with new zero.
Key
Display
Description
→
If “YES” set under Fct. 3.04 ENTRY CODE, key in
9-keystroke CODE 1 now:
→ → → ↵ ↵ ↵ ↑ ↑ ↑
Fct. 1.00
OPERATION
↑
Fct. 2.00
TEST
→
Fct. 2.01
TEST Q
→
SURE NO
↑
SURE YES
↵
0
PERCENT
Current, pulse and status indication outputs indicate the
corresponding values.
± 10
PERCENT
↑
± 50
PERCENT
Select using
↑
or
↓
key
± 100
PERCENT
± 110
PERCENT
↵
Fct. 2.01
TEST Q
End of test, actual measured values again present at outputs.
(2x) 3x
↵
- - - - - - -
- - - - - / - - -
Measuring mode
7.2 Test of measuring range Q, Fct. 2.01
Switch off power supply before opening the housing !
•
For this test a measured value can be simulated in the range of -110 to +110 percent
of Q
100%
(full-scale range set, see Fct. 1.01 FULL SCALE).
•
Switch on the system.
•
Press the following keys for this test:
