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DigitalFlow™ GF868 Programming Manual (2-Channel)
15
Chapter 1. Programming Site Data
1.6.4 Setting Up Inputs/Outputs (cont.)
1.6.4c Pressure Input
6.
At the
Pressure Input
prompt, press
[F1]
to enter a constant pressure value or press
[Fx]
to select the option card in
Slot X that will supply the live pressure input.
Note:
Each slot that contains an option card with an analog input assigned to
PRESR
will appear on the option bar. If
the process pressure is stable, a fixed value may be used, but most applications require a live pressure input.
7.
Do one of the following:
•
If you selected
FIXED,
enter the known fixed process pressure. Press
[ENT]
. (The meter will only accept values
from 0–5000 psia .)
•
If you selected
SLOT X:
a.
Press
[F1]
to select input A or press
[F2]
to select input B.The inputs were labeled during setup.
b.
Enter the
Base Pressure
(standard) value for the process, and press the
[ENT]
key. (The meter will only accept
values from 0–5000 psia .)
IMPORTANT:
If an installed option card does not appear on the option bar for the
TEMPERATURE INPUT
or
PRESSURE
INPUT
, the card may not have been initialized or it may be defective. Call the factory for assistance.
8.
At the
N2 Input
prompt, press
[F1]
to enter a constant nitrogen (N
2
) percentage or press
[Fx]
to select the option card
in Slot X that will supply the live N
2
percentage.
9.
Do one of the following:
•
If you selected
FIXED
, enter the known fixed N
2
value. Press
[ENT]
. (The meter accepts values from 0–100%.)
•
If you selected
SLOT X,
a.
Press
[F1]
to select input A or press
[F2]
to select input B.The inputs were labeled during setup.
1.6.4d Procedure Options
After completing the above steps, the meter returns to the
Channel PROGRAM
prompt. Continue as follows:
•
To continue programming the meter, refer to the menu maps in Appendix A and navigate to the desired menu.
Then, proceed to the appropriate section of this manual for instructions.
•
To leave the
User Program
and retain the previous settings, press
[EXIT]
twice and then press
[F1] = NO
at the
SAVE
prompt. Any programming changes will be discarded and you will be returned to the data display.
•
To leave the
User Program
and return to measurement mode, press
[EXIT]
twice and then press
[F2] = YES
at the
SAVE
prompt. Your programming changes will be entered into the meter’s memory, and you will be returned to
the data display.
Summary of Contents for DigitalFlow GF868
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