Aalborg SDPROCs User Manual

Page 30

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under NEXT on the display to go to the Totalizer Stop settings. The following Setup
Totalizer Stop Volume Display
will appear.

e.3.9.3 Setup Totalizer Stop Volume Display

The proper setting of the Totalizer Stop Volume (in volume/mass based engineering
units) is required if the Totalizer is set to Enabled. The engineering unit for Totalizer
Stop Volume has to be related to the current active engineering unit. If for example the
current engineering unit is sLPM, the Totalizer Stop Volume has to be entered in liters.
Press the ENTER button under (--->) on the display, to move the flashing cursor to the
digit, which has to be adjusted. Pressing (+) or (-) will increment or decrement a par-
ticular digit respectively. The numbers will change from 0 to 9 and next to the decimal
point (.). Pressing the (+) button one more time will change the highlighted position of
the cursor back to 0. The same is true in reverse, when pressing the (-) button. Only
one decimal point is allowed. If changing position of the decimal point is required,
change decimal point to any desired digit then move the cursor to the required posi-
tion and adjust it to the decimal point with (+) or (-) button. When complete with
Totalizer Stop Volume settings, press the ESC button under NEXT on the display, to go
to the Totalizer Action screen. The following Setup Totalizer Action Display will appear.

e.3.9.4 Setup Totalizer Action Display

To change the Totalizer Action in NONE, BUZZER or VALVE, press the button (ESC, UP,
DOWN respectively) directly below the text shown on the display. If Buzzer action is
chosen the audible signal will be activated when the Totalizer condition becomes true.

ƽ In order to deactivate the audible signal during operation press any button on

the key pad (NOTE: The Totalizer has to be reset to zero or disabled).

If Valve action is chosen, the power to the mass flow controller valve will be shut off,
allowing the valve to mechanically close.

ƽ If the Valve was shut off as result of the Totalizer action, in order to go back to

normal operation the Valve mode has to be changed to AUTO (See section e.3.5).
NOTE: The Totalizer reading has to be reset to zero or the Totalizer has to be
disabled prior any attempts to change the Valve mode.

Press the ENTER button under EXIT on the display, to go back to the Main Display.

e.3.10 Program Settings Display

From the Setup Channel Display (see section e.3.7) press the Enter button under PROG
on the display in order to make Program settings. The following display will appear.

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