KROHNE IFC 210 E-EEx EN - Manual (Page 66)

Sect. 7.1 Part C Special applications, functional checks, service, and order numbers
IFC 210 E 05/2002
66
7
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7.1 Zero check
•
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 ENTR Y CODE, key in
9-keystroke CODE 1 now: → → → ↵ ↵ ↵ ↑ ↑ ↑
Fct. 1.00 Operation
2x
↑ Fct. 3.00 Installation
→ Fct. 3.01 Language
2x
↑ Fct. 3.03 Zero Point
→ back
↑ enquire
↵ 0.00 - - - - - / - - - Zero measurement in progress, duration approx. 50 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 Point Store new zero value.
(2x) 3x
↵
- - - - - - - - - - - - / - - - Measuring mode with new zero.
7.2 Test of measuring range Q
•
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::
Key Display Description
→ If “Yes” set under Fct. 3.04 ENTR Y 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 % Current, pulse and status indication outputs indicate the
corresponding values.
± 10 %
↑ ± 50 % Select using
↑
or
↓
key
± 100 %
± 110 %
↵ Fct. 2.01 Test Q End of test, actual measured values again present at outputs.
(2x) 3x ↵ - - - - - - - - - - - - / - - - Measuring mode