Commissioning
6.4 Commissioning via PDM
SITRANS FUS080 transmitter
40
Operating Instructions, 07/2012, A5E03059912-02
Clicking on "Apply pipe geometric settings" will initiate automatic calculation of the following:
● R
n
for path 1 and path 2
● Cal. factor
For further information, see:
Dimension dependent settings, SONOKIT 2-path (Page 86) or SONOKIT 1-path (Page 89).
Measurement report, SONOKIT 2-path (Page 85) or SONOKIT 1-path (Page 88).
6.4.5
Optimizing the system
After defining the sensor-specific parameters, additional parameters can be set according to
use.
The following shows how to set Pulse Output A and Qmax.
For other parameters, refer to "Parameter lists (Page 69).
Setting Pulse Output and Maximum Flow (Qmax)
1.
Navigate to menu "Device" → "Pulse guide"
The "guide" calculates the pulse-frequency at the max flow condition and tells you how
close you are on over-speeding the pulse-output.
The volume per pulse is freely scalable from 0.000001 to 10000 units per pulse. It also
calculates the minimum volume per pulse you can choose to avoid pulse over-speeding.
The maximum output frequency depends on the pulse selected; e.g. maximum output
frequency at 5 ms is 100 Hz. Increasing the pulse width lowers the maximum output
frequency.
2.
Select maximum flow rate (never to be exceeded).
3.
Select an appropriate pulse width, e.g. 5 ms.
4.
Enter a value in "Amount per pulse A", e.g. 100, to define the volume/pulse with respect
to the "Minimum amount per pulse value".
5.
Press "Apply Change of Pulse" to apply the settings.
6.
If needed, proceed with setting Pulse Output B according to application specific
requirements (Default setting = Alarm).