Chapter 1. Programming Site Data
20
Model CTF878 Programming Manual
1.11 Entering Digital Outputs
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 / IO / Freq/Tot Menu and press
[ENTER]
.
Note:
Input/Output Menu options may appear in a different order, depending on where each option card is
installed. Cards are numbered from right to left.
The screen appears similar to Figure 24 below. To step through each parameter, press the [
] key. Refer to the
Program Menu Map
Figure 24: Digital Output Window
1.
The first prompt enables you to select the output function from three choices:
Off, Pulse Totalizer, Frequency
a.
Press
[ENTER]
to open the drop-down menu.
b.
Scroll to the desired function.
c.
Press
[ENTER]
to confirm your selection.
Note:
If you select
Off
, you will not be able to access any other parameters in this option.
2.
The next prompt asks you to select the data source for the digital output. The choices vary with the function. For
Pulse Totalizer (see Figure 24 on page 20), the available choices include:
•
Forward Totalizer
•
Reverse Totalizer
•
Standard Forward Totalizer
•
Standard Reverse Totalizer
a.
Press
[ENTER]
to open the data source selection window.
b.
Scroll to the desired source.
c.
Press
[SEL]
to confirm your selection.
d.
The prompt then moves to a list of unit types. (The available units depend on the selection made at the Data
Source prompt.) Scroll to the desired output unit.
e.
Press
[F3]
(OK) to confirm your selection.
µs
Data Source
m
OK
Cancel
Function
1
Fwd Totalizer
Units/Pulse
Pulse Width 10
Fwd m
3
3
Digital Output
Pulse Totalizer