GE PanaFlow HT, Руководство пользователя

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PanaFlow HT User’s Manual 59
Chapter 3. Initial Setup and Programming
3.7.3 Programming Digital Outputs (cont.)
3.7.3b Setting the Pulse Output
Digital Outputs can be programmed as Pulse, Frequency, Alarm or Control
Outputs, or turned off. The Pulse output will put out a square wave pulse for each
unit of flow that passes through the pipeline. Select
Pulse
and press
[

]
. The
following screen appears.
Select
Pulse Value
and press
[

]
. A screen similar to the following appears.
The
Pulse Value
, the amount of flow represented by one pulse, is displayed. (For
example, 1 pulse = 10 gallons.) To change the existing number, press
[

]
and a
screen similar to the following appears.
Note:
The units that appear will be the units selected in “Flow Units” on
page 43.
To change the
Pulse Value
, use the [

] or [

] arrow key to provide a new
number and press
[

]
to save. Press [

]
to return to the
Pulse
menu.
To view and/or change another
Pulse
characteristic, select the desired
sub-category and follow the procedure:
•
To enter the Minimum Pulse ON Time (
Min Pulse
), you set the width of the pulse
in seconds.
•
To test the pulse output, enter a number of pulses and the instrument will send
that many out. Note on your measurement system that the right number of pulses were received.
•
If
Error Handling
is selected, a different procedure is required. See the next page.
gal
0
m/s