KROHNE IFC 210 E-EEx EN - Manual (Page 23)

Part A System installation and start-up Sect. 3.1
05/2002 IFC 210 E 23
3
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3.1 Power-on and measurement
•
Before powering the system, please check that it has been correctly installed according to
Sect. 1 and 2.
•
The flowmeter is delivered ready for operational use. All operating data have been factory set
in accordance with your specifications.
Please refer to Sect. 3.2 “factory settings”.
•
Power the unit, and the flowmeter will immediately start process flow measurement.
•
Refer to Sect. 4 and 5 for operator control.
3.2 Factory setting
All operating data are factory set according to your order specifications.
If you have not made any particular specifications at the time of ordering, the instruments will be
delivered with the standard parameters and functions listed in the Table below.
To facilitate easy and rapid initial start-up, current output and pulse output are set to process flow
measurement in “2 flow directions”, so that the current flowrate is displayed and the volumetric
flow counted independent of the flow direction. The measured values may possibly be shown with
a “ – ” sign.
This factory setting for the current and pulse outputs may possibly lead to measuring errors,
particularly in the case of volume flow counting:
For example, if pumps are switched off and a “backflow” occurs which is not within the range of
the low-flow cutoff (SMU), or if separate displays and counts are required for both flow directions.
To avoid faulty measurements, therefore, it may be necessary to change the factory setting of
some or all of the following functions:
– low-flow cutoff SMU, Fct. 1.03, Sect. 5.3
– display, Fct. 1.04, Sect. 5.4
– current output I, Fct. 1.05, Sect. 5.6
– pulse output P, Fct. 1.06, Sect. 5.7
Operation see Section 4 and 5.
Standard factory settings
Function Setting Function Setting
1.01 Full-scale range Q
100%
1.07 Status output B1 flow
1.02 Time constant 3 s, for I, B1, B2 directions
and display 1.08 Control input B2 off
1.03 Low-flow ON: 1% 3.01 Language for display only English
cutoff SMU OFF: 2% 3.02 Flowmeter
1.04 Display diameter see nameplate
flow rate m 3 /hr or US Gal/min flow direction (see arrow
totalizer(s) m 3 or US Gal on primary head) } + direction
Messages no 3.04 Entry code no
Trend Mittelwert 3.05 User unit Liter/hr or USMGal/day
Updating 1 sec. 3.06 Application: Flow steady
Scaling auto 3.07 Hardware: Terminal B1 Statusoutput
1.05 Current output I Terminal B2 Control input
function 2 directions 3.08 Location ALTOMETER
Range I 4-20 mA 3.09 Communication off
I Max 22 mA
I Error 22 mA
1.06 Pulse output P
function 2 directions
pulse width 50 ms
pulse value 1 pulse/s