Icon Process Controls truflo UltraFlo 2000 Series Operating Manual page 22

UltraFlo ® 2000 SERIES
Ultrasonic Flow Meter
Example
This Means
Setting Range
Default Setting
Flow Pulse value
ml/s
1
100
1000
100
0.5
In the last case every 20 seconds, a pulse of 1 second duration is put out.
14. Digital Input
Flowmeter has a digital input that is programmable to following functions: dosing input, set offset, creeping suppression inactive and reset
counter. In order to start a dosing process, 24V DC power is required. The status of the dosing parameters is modified with the
Programmtool.
Setting Range
Default Setting
NOTE : The dosing input is locked so that a re-start is not possible during a running dosing process. After changing configurations via
Programmtool a restart of the device is necessary to activate the doing input function.
Available Input Functions
Set offset
0V -
Rising edge:
24V
0->24V
Set offset
Run only in stationary medium
The input function "Set Offset" may only be used when there is no flow through the meter. If an offset trim is done while liquid flow is
present an offset drift will cause measurement deviations. If the Flowmeter shows an offset drift caused by a wrong offset setting, run the
function "Set Offset" or "Basic Trim" again with filled flow meter and no present flow.
2.0 ml/Pulse
a pulse is emitted every 2.0 ml.
0.1...3000.0 ml/Pulse, in 0.1 ml/Pulse steps
1.0 ml/Pulse
Frequency
ml/Pulse Hz
1 1
1 100
0.1 10000
10 10
10 0.05
(Only Available with 8-Pin Plug)
Off, Reset Counter, Dosing, Creeping Flow Off, Set Offset
Off
Creeping flow off
-
State :
deactivating creeping
flow
Period
s
1
0.01
0.0001 0.00005
0.1
20
Dosing Reset Counter
- -
Rising edge: Rising edge:
0->24V 0->24
start dosing Vcounter is reset
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Duration of the Pulse
s ms
0.5 500
0.005 5
0.05
0.05 50
1 50
Off
-
-
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