GE General Electric Oxygen Equipment PT878 用户手册
Chapter 3. Programming Site Data
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
57
3.10 Entering the Digital Output
While resembling the Analog Output option, the Digital Output option
enables you to set up parameters necessary for a digital output. To enter the
option, scroll to the Digital Output entry on the Program Menu and press
enables you to set up parameters necessary for a digital output. To enter the
option, scroll to the Digital Output entry on the Program Menu and press
[ENTER]
. The screen appears similar to Figure 31 below. To step through
each parameter, press the [T] key. While programming, refer to Figure 150
on page 234 of Appendix A, Menu Maps.
on page 234 of Appendix A, Menu Maps.
Figure 31: Digital Output Window
1.
The first prompt enables you to select the output function from five
choices:
choices:
•
Off
•
Pulse Totalizer
•
Frequency
•
Test Points
•
Gate Input
Digital Output
Cancel
OK
Function
Data Source
Units/Pulse
Polarity
Pulse Totalizer
Fwd Totalizer
Pulse Width
Low to High
10
10
μs
gal
Fwd Gallons