Xylem 795 MJK Data Transmitter - Manual (Page 28)

28 M795GB0503
Data Transmitter 795
SW ver. 830434
If these Q(h) values are entered in this menu, the
resulting Q(h) curve will be as shown below, and
the Data Transmitter will calculate the flow
according to this curve:
Note, that Q
MAX
must be no more than 59.999 m 3 /
h.
14.2 Stormflow calculation in use
Select if stormflow calculation should be used:
Use the arow keys and confirm with ENTER.
14.2.1 Zero point input no.
Select the input that the level electrode are
connedted to. This input will activate the storm-
flow calculation.
The following inputs can be selected:
- 795: DI 1 - 8 / 12 / 16
- 795: High/low limit 1 - 4
- 704: Output 1 - 4
- Combi alarm 1 - 8
Use the arow keys and confirm with ENTER.
14.2.2 Level signal for flow calculation
Select the input that provide the level signal for
the stormflow calculation:
The following inputs can be selected:
- 795: Al 1-4
- 704: Level
Use the arow keys and confirm with ENTER.
14.2.3 Number of Q(h) points
In this menu the number of Q(h) points that are
desired for the piece by piece linearization of the
flow calculation.
The number of Q(h) points can be set from 1 and
9, as the zero point value will be provided to be 0
m
3 /h.
Use the arow keys and confirm with ENTER.
14.2.4 Height value [h] for level point
Enter the height [h] for the Q(h) point.
The entered value MUST be higher than that for
the previous Q(h) point.
Use the numerical keys and confirm with ENTER.
14.2.5 Flow value [Q] for level point
Enter the volume [Q] for the Q(h) point.
Use the numerical keys and confirm with ENTER.
The current flow value and the total stormflow
value can be read in functional menu F9. See also
section 5.10.