CiDRA SONARtrac PW VF-100 - Manual (Page 156)

20834-01 Rev 04 Page 8-12
The Info>Configuration>Pulse Output selection on the transmitter
menu displays the currently configured max/min pulse range, and will
indicate an over range condition if one exists (i.e. settings exceed
maximum pulses per second capability).
8.3.2.4 Output Sel
Output Sel is used to select the measurement to be output.
Selections are as follows:
Flow Rate, Flow Rate %, and True Liquid Flow generate a
different pulse output than Totalizer (Total Flow). These will output
a pulse frequency based on the current measurement.
Figure 5 Flow Rate, Flow Rate %, and True Liquid Flow Pulse Output
Totalizer (or Total Flow) will output a number of pulses based upon the
total gallons (or flow units) counted during the previous update interval
(i.e. the display update time is defaulted to 2 seconds). In effect, the
Total Flow measurement is a pulse counter, updated at the same rate as
the display.
Figure 6 Total Flow Pulse Output
Total Flow (Totalizer)
Time (Update Rate = 2 sec)
0 2 4 6
(1500 gpm /10) / (60s/2s) = 5 (3000 gpm /10) / (60s/2s) =10 (900 gpm /10) / (60s/2s) = 3
Multiplier = 10
Flow Rate
Time (sec)
500 gpm / 100 = 5 Hz 1000 gpm / 100 = 10 Hz 300 gpm / 100 = 3 Hz
Multiplier = 100
0 2 4 6
Pulse Width Varies
Pulse Width
Warning: Settings Produce > Max PPS!