KROHNE UFM 500 EN - Manual (Page 22)

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4.3.2 Error display during measuring (display) mode
In the setting level under fct. 3.2.6 ERROR MSG. (error messages), it is possible to select whether and, if so, which errors
are
to be displayed during measurement (display mode). Depending on setting under fct. 3.2.5 CYCL.DISP (cyclic display), set
YES or NO, either “measured value(s)” and “error message(s)” will alternate automatically in the display or can be
alternated manually by pressing the
↑
key. The errors will continue to be displayed until their cause has been eliminated.
4.3.3 Error list in Reset/Quit menu
All errors are stored in the ERROR.LIST in the Reset/Quit menu. The errors are retained in this list until: 1. The cause of
the error has been eliminated and 2. the error has been acknowledged. Errors that have been acknowledged, but whose
cause has not been eliminated, are retained in the Error List but are displayed without bar. This allows identification of
“old” and “new” errors.
5. Description of functions
5.1 Physical units
Fct. 3.1.1 Full-scale range Q
100%
(Forward flow).
Fct. 3.1.3 Full-scale range Q
100%
(Reverse flow).
Fct. 3.2.1 Units for flowrate display
•
m 3 /Sec
•
Liter/Sec
•
US Gal/Sec
•
m 3 /min
•
Liter/min
•
US Gal/min
•
m 3 /hr
•
Liter/hr
•
US Gal/hr
(Gal = gallons)
•
1 user defined unit, refer to fct. 3.6.6 to 3.6.8, sect.
5.15 for flowrate, e.g. liters per day, hectoliters per
hour, or for mass flowrate where density is consistent
and known, e.g. kg per hour or tons per day.
Factory-set: hLiter/hr (hectoliters per hour), for US
version US Mgal/DAY (US million gallons per day).
•
PERCENT (%), only for fct. 3.2.1 (display).
Fct. 3.1.5 Diameter (meter size)
in mm (millimeters) or inch (inches).
Fct. 3.2.3 Unit for totalizer display
m
3 , Liter, US Gal (Gal = gallons) and 1 user-defined
unit, e.g. deciliters (d Liters), hectoliters (h Liter) or US
million gallons (US Mgal) factory-set, see fct. 3.2.1.
Fct. 3.4.2 Unit for frequency output F
Pulse rate: Enter in pulses per second, minute, or hour.
Pulses per unit: Pulse/m
3 , Pulse/Liter, Pulse/US
Gal(lons).
5.2 Numerical format
•
Display of actual flowrate
Maximal 7-digit with floating decimal point.
•
Display of internal totalizers
Max. 7-digit floating decimal point. Where count
values exceed 9,999,999, automatic changeover to
exponent notation, max. 9.999 E 19 (= 9.999
×
10
19
).
•
Display overflow
The display format is fixed by the parameters set in
the submenu “3.2.0 DISPLAY”. The following display
will appear when a displayed value exceeds the limit:
−
Top line
−
Middle line Unit of measured variable.
−
Bottom line Marker ▼ identifies the
measured variable for which
the selected display format is
no longer adequate.
Necessary action: Check the data in submenu “3.2.0
DISPLAY” and alter if necessary.
•
Setting of numerical values
Examples Exponent notation Setting
0.0008 0.8
∗
10
-3
8 -4
0.5 0.5
∗
10 0 5 -1
1.378 1.378
∗
10 0 1.378 0
10,000 1.0
∗
10 4 1 4
36,000,000 3.6
∗
10 7 3.6 7
5.3 Full-scale range Q
100%
and meter size
Fct. 3.1.1. Full-scale range Q
100%
(Forward flow).
Set full-scale range Q
100%
depending on meter size DN,
fct . 3 .1.5 (forward flow in the case of F/R measuring
mode.; if different full-scale range is required for reverse
flow, see fct. 3.1.2 + 3.1.3.
•
Unit: see sect. 5.1. Change of unit will cause
automatic conversion of numerical value.
•
Range:
628.3
×
10 -9 to 150.8 m 3 /Sec
377.0
×
10 -7 to 9,048.0 m 3 /min
226.2
×
10
-5
to 542,880 m
3
/hr
628.3
×
10 -6 to 150,800 Liter/Sec
376.9
×
10 -4 to 9,048,000 Liter/min
226.2
×
10
-2
to 542,880,000 Liter/hr
166.0
×
10 -6 to 39,837.1 US Gal/Sec
99.57
×
10 -4 to 2,390,229 US Gal/min
59.76
×
10 -2 to 143,413,724 US Gal/hr
•
If the numerical value is changed in fct. 3.1.1, it is
advisable to record the totalizer counts and then reset
the totalizers (see sect. 5.6), otherwise an incorrect
count will be displayed.
Fct. 3.1.2 Separate full-scale range required for
reverse flow?
Set “YES” if a separate range is required for reverse flow,
which is different from the forward flow range. If not
required, set “NO”.
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