VII. EXPLANATION OF CONFIGURATION MODE SCREENS
Main:
The Confi guration Mode is structured as a “tree branch” program. The main screen is the trunk from
which each branch can be accessed (fi gure 7 pg. 15). Seven options appear on this screen, with one option
blinking. To change which option is blinking, press the
button. To select the blinking option, press the
button. To access the confi guration mode from the operation mode scroll down and enter “210” as the
password when prompted.
Res:
This branch accesses the settings for the residual (as related only to the analyzer). To calibrate the
instrument residual, follow the steps below.
Residual
Units:
Select PPM or MG/L.
Residual Decimal Position:
Select desired decimal place for residual.
Residual Full Scale:
Enter desired full scale (range). This setting is what a 20 mA residual output
signal represents. An output of 4mA always represents a residual of zero.
Residual Low Alarm:
Enter low residual alarm trip-point (if desired).
Residual High Alarm:
Enter high residual alarm trip-point (if desired).
Sample Flow Stop Alarm:
Enable (On) or Disable (Off ) the fl ow stop alarm. If the optional sample fl ow
stop switch is installed this option can be enabled. If the optional sample fl ow stop switch is not installed
this option should be disabled. In the event that the analyzers sample water fl ow stops the analyzer will
indicate a “Sample Flow Stop” alarm. An alarm relay can be set to remotely indicate this alarm status.
NOTE: While the “Sample Flow Stop” alarm is active all 4-20mA outputs will be frozen and will only
return to a live reading once the “Flow Stop” alarm is no longer active.
Begin Residual Zero Cal?:
The analyzer is shipped with the default zero calibration. A zero calibration
may need to be performed in the fi eld for best accuracy. To access this calibration menu, follow the
steps noted on Figure 7. To pass by this screen, press the
button twice or press the
button when
the word “Skip” is blinking. To perform a residual zero cal, press the
button to make the word “Begin”
blink. Then press the
button.
Residual Zero Cal:
Enter residual value of “zero” sample water. When the residual value on the screen
matches the known residual of the “zero” sample water, press the
button. A confi rmation screen
should appear indicating that the calibration was performed.
NOTE: The residual zero calibration does not necessarily have to be performed with sample water at a
0.00 PPM residual. However, it is advisable to perform zero and span calibrations with two samples of
signi
fi
cantly di
ff
ering residual values.
Begin Residual Span Cal?:
To pass by this screen, press the
button twice or press the
button
when the word “Skip” is blinking. To perform a residual span cal, press the button to make the word
“Begin” blink. Then press the
button.
Residual Span Cal:
Enter residual value of “span” sample water. When the residual value on the
screen matches the known residual of the “span” sample water, press the
button. A confi rmation
screen should appear indicating that the calibration was performed.
Temp:
This branch accesses the settings for the temperature. To calibrate the temperature, follow the steps
below.
Temperature Units:
Select “F” (Fahrenheit) or “C” (Celsius).
Temperature Mode:
Select “Manual” or “Auto”. Automatic enables the temperature to be automatically
detected via the thermistor.
Manual Temperature:
This screen appears when Temperature Mode “Manual” has been selected.
Enter the sample water temperature using the
and
buttons.
Temp Sample Cal:
This screen appears when Temperature Mode “Auto” has been selected. The
temperature displayed represents what the program interprets the current temperature reading to be. If
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