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Device menu
10.4.5 Flow
Go to: Device menu è Configuration è Flow è Flow 1 to 2
Configuration
item
Input type
Name
Analogue signal
Measuring
principle
Time base
K factor
Unit
Conversion factor
(flow)
Customised Unit
Decimal format
(flow)
Initial display
range (flow)
End of the display
range (flow)
Total quantity
417102269 Rev. 2-08.2020
Selection / option
Inactive
Binary input 2 Binary input 3
Analogue input
Up to 15 characters of text
Select from analogue sector
Period measurement 3 to 300 Hz
Pulse counting, 300 Hz to 10 kHz
0 to 9999 s
0 to 99999 1 / l
l / s
l / min.
l / h
m3 / s
m3 / min.
m3 / h
gal / s
gal / min.
gal / h custom
-99999 to +99999
Up to 5 characters of text
Auto, fixed-point format
-99999 to +99999 ( 1 )
-99999 to +99999 ( 1 )
Explanation
Input source selection for flow
measurement
Binary input 1/2: Pulse frequency signals
via binary inputs
Analogue input: An analogue signal is
defined in the configuration item "analogue
signal".
Naming the flow function
Only if "analogue input" is the "Input
type":
Select of the analogue signal source as a
flow signal
Only with "Binary 2.3" as "Input":
Measuring methods are given for
determining the flow rate pulse signals
such as vane sensors.
Only with "pulse counting" as the
"Measuring principle":
Duration of a counting section
The pulses counted divided by the time
base within a counting section give the
pulse frequency value. With it set to 0 s the
time base becomes 250 ms.
Ratio of pulse number to the flow rate
(pulses per litre)
See the flow sensor's fittings
documentation for the K factor (e.g. vane
sensors).
If the flow signal is transmitted via a
standard signal or interface (external
analogue inputs), note that the K-factor
also affects analogue values. For safe
handling of the flow by analogue signal, it
is recommended to map the flow value to
the standard signal and adjust the K-factor
to the value of 1.
Unit of the flow value
Custom unit:
In the respective measured values of the
measured flow, the value is multiplied in
litres per second displayed by the factor
from the "conversion factor" setting and the
unit is set to "name unit".
Only with "custom" as the "unit":
Conversion factor of the unit "l / s" for the
flow in the custom unit
Only with "custom" as the "unit": free
input option of a custom unit for the flow
Decimal places of the display
Upper/lower limit of the scale labelling for
reading representations such as chart
recorders and bar graphs
162
Default
Inactive
flow 1
No
selection
Pulse
counting,
300 Hz to
10 kHz
60 s
+ 1.0000
1 / l
l / sec
+1,0000
l/h
XXXX.X
+0.0000
l/sec
+100.00 l /
sec.