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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
→
Fct. 1.00
2x ↑
Fct. 3.00
→
Fct. 3.01
2x ↑
Fct. 3.03
→
↑
↵
0.00
↑
↵
Fct. 3.03
(2x) 3x ↵
- - - - - - -
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
(full-scale range set, see Fct. 1.01 FULL SCALE).
100%
•
Switch on the system.
•
Press the following keys for this test:
Key
Display
→
Fct. 1.00
↑
Fct. 2.00
→
Fct. 2.01
→
↑
↵
0
±
10
↑
±
50
± 100
± 110
↵
Fct. 2.01
(2x) 3x ↵
- - - - - - -
7/1
Description
If "YES" set under Fct. 3.04 ENTRY CODE, key in
9-keystroke CODE 1 now: → → → ↵ ↵ ↵ ↑ ↑ ↑
OPERATION
INSTALL.
LANGUAGE
ZERO SET
CALIB. NO
CALIB. YES
- - - - - / - - -
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.
If new value not to be stored, press ↵ key (3x) 4x = return to
STORE NO
measuring mode.
STORE YES
ZERO SET
Store new zero value.
- - - - - / - - -
Measuring mode with new zero.
Description
If "YES" set under Fct. 3.04 ENTRY CODE, key in
9-keystroke CODE 1 now: → → → ↵ ↵ ↵ ↑ ↑ ↑
OPERATION
TEST
TEST Q
SURE NO
SURE YES
PERCENT
Current, pulse and status indication outputs indicate the
corresponding values.
PERCENT
Select using ↑ or ↓ key
PERCENT
PERCENT
PERCENT
TEST Q
End of test, actual measured values again present at outputs.
- - - - - / - - -
Measuring mode
Installation and operating instructions IFC 020
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