Helios Large Display Pulse Input Rate/Totalizer Instruction Manual
PD2-6300
32
Time Base, Total Conversion Factor & Total Reset
The time base, total conversion factor, and total reset menus are located in the
Program
menu.
The total and grand total have their own independent settings. This means that one can be displaying the
value in gallons while the other displays in million gallons, liters, m
3
, etc.
Time Base
The time base is the amount of time over which the rate parameter should accrue. For example, if the
rate was ten and the time base was in minutes, then the total would increase by ten every one minute.
Total & Grand Total Conversion Factor
The total & grand total conversion factor is the amount by which the rate is multiplied before it is added to
the total or grand total. For Example, if the rate was ten per second and the total conversion factor was
100, the total would increase by 1000 every second. This is useful, for instance, if you want to show rate
in gallons and total in thousands of gallons.
Total & Grand Total Reset
The totals can be programmed for manual or automatic reset. In the automatic reset mode, a
programmable time delay is available to reset the total or grand total after the assigned preset is reached.
Non-Resettable Totalizer
The total and grand total can be password-protected to prevent unauthorized resets. The grand total can
be programmed as a non-resettable total, see page 45 for details.
Calibrating the Meter with External Source (
Cal
)
To scale the meter without a signal source refer to
The meter can be
calibrated to display the
process variable in
engineering units by
applying the appropriate
input signal and following
the calibration procedure.
The use of a calibrated
signal source is strongly
recommended to calibrate
the meter.
There is no need to warm up the meter before performing the calibration procedure.
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