Chapter 1. Programming Site Data
26
DigitalFlow™ XGS868i Programming Manual
Setting Up the Output Scale
1.
Scroll to the desired output scale and press
[Enter]
.
2.
Do one of the following:
•
If you selected
Off
, the XGS868i returns to the
I/O
window. Go to
Procedure Options
•
If you selected
0-20 mA
or
4-20 mA
, and are using a
•
1-Channel meter, proceed to Step 4 below.
•
2-Channel meter, proceed to the next step.
3.
Scroll to the desired
Channel
option (CH1, CH2, SUM, DIF or AVE) and press
[Enter]
.
4.
Scroll to the desired
Measurement Parameter
and press
[Enter]
. See Table 9 below for a description of the
available options.
5.
At
Zero
, enter a flow rate value for the low end of the analog output range and press
[Enter]
.
6.
At
Full
, enter a flow rate value for the high end of the analog output range and press
[Enter]
.
Table 9: Available Measurement Parameters
Option Bar
Description
Good
Bad
VEL
Displays the flow velocity.
N.A.
N.A.
VOLUM
Displays the volumetric flow.
N.A.
N.A.
+TOTL
Displays the forward totalized volume flow.
N.A.
N.A.
-TOTL
Displays the reverse totalized volume flow.
N.A.
N.A.
TIME
Displays the total flow measurement time.
N.A.
N.A.
MDOT
Displays the mass flow.
N.A.
N.A.
+MASS
Displays the forward totalized mass flow.
N.A.
N.A.
-MASS
Displays the reverse totalized mass flow.
N.A.
N.A.
SS up
Displays the signal strength for the upstream transducer.
50–75
<50 or >75
SS do
Displays the signal strength for the downstream transducer.
50–75
<50 or >75
SNDSP
Displays the measured speed of sound in the gas.
N.A.
N.A.
Tup
Displays the upstream ultrasonic signal transit time.
N.A.
N.A.
Tdown
Displays downstream ultrasonic signal transit time.
N.A.
N.A.
DELTA
Displays the transit time difference between the upstream and
downstream signals.
N.A.
N.A.
REYN#
Displays the Reynolds number.
N.A.
N.A.
Tot K
1
Displays the K-Factor interpolated from the table, for the current
velocity.
0.3 - 3.0
N.A.
PEAK%
Displays percentage of peak (set to +50 by default).
N.A.
N.A.
Qup
Displays signal quality for the upstream transducer.
>|800|
<|800|
Qdown
Displays signal quality for downstream transducer.
>|800|
<|800|
AMPup
Displays the value for signal amplitude of the upstream transducer.
24 ± 5
<19 or >29
AMPdn
Displays the value for signal amplitude of the downstream transducer.
24 ± 5
<19 or >29
Summary of Contents for DigitalFlow XGS868i
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