Dynasonics DXN Portable Ultrasonic Measurement System - Manual (Page 82)

Total Reset
+ V
External
Pull-Up
Resistor
Same as using Meter ► Totalizer Reset Totalizer
Site Name 0.00 GPM 03/28/2012
13:24
Meter Display Adv Cal System Site Log I/O
Filter Energy Limit Flow Totalizer
Total Units Gallons
Total Exponent X 100
Reset Totalizer Check To Unlock Total Reset
Total Units Gallons
Total Exponent X 100
Reset Totalizer Check To Unlock Total Reset
Figure 112: External Totalizer Reset
Digital Outputs
Digital/Pulse Outputs
The digital output is an open collector transistor which must have a pull-up resistor to function. The output can be configured
as either a frequency output scale based upon the minimum and maximum flow rate chosen or a totalizing pulse controlled
by the incrementing totalizer.
+ V
External
Pull-Up
Resistor
33 mS
0
+V
Totalizing Pulse - 33 mS Duration
0
+V
On Off
Rate pulse - 1 KHz Maximum
On Time = Off Time
Figure 113: Digital Output External Power
DXN Portable Ultrasonic Measurement System
Page 82 February 2013