ABB XSeries G4 6200, User Manual, Page: 125 / 168

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4.14.2.1
Calibration
1) Connect an accurate power source capable of 1-5 volts to the AI terminals
that are to be calibrated.
2) In Calibration window for the AI that is being calibrated, select either 3 or 5
Point calibration for the number of preferred calibration points. 3 Point for
low (50% and 100% values) and 5 Point for low (25%, 50%, 75% and 100%
values).
3) In the Current Value field, place a check in the Update checkbox. This
causes the AI to look for the source at the terminals instead of a test value.
4) Begin the calibration by starting with the first selection, Low Cal Point.
5) Apply one volt to the AI terminals.
6) Enter a value (typically zero) that represents the low calibration point and
represents the desired engineering units. Upon completion, click the OK
button.
The current reading value on the pop-up entry screens will
be placed in the Reading column and represent values from
the previous calibration. User entered values will be
displayed in the Entry column.
7) Move to the 100% Cal Point parameter field. Once there, apply five volts to
the AI terminals.
8) Enter a value that represents the full range and represents the desired
engineering units. Upon completion, click the OK button.
9) If 3 Point calibration was selected, move to the 50% Cal parameter field.
Once there, apply three volts to the AI terminals.
10) Enter a value that represents 50% and represents the preferred engineering
units.
If performing a 5 Point calibration, the user will need to add
additional values for both 25% and 75% calculation points.
4.14.3 Onboard pulse and digital inputs
The Totalflow G4 EX comes standard with one high speed pulse input on board.
This may also be used as a digital input. The following procedure will enable the
user to set the digital input.
Follow the instructions in the PCCU32 Help Files for specific software steps.
4.14.3.1
Step-by-step instructions
1) The user will need to click on the Calibrate icon in the PCCU32 main
toolbar. Once completed, click on the AGA-7 tube in the tree-view.
2) Click on the Setup tab.
3) If the device was ordered as a Pulse Input meter, the register addresses
(Static Pressure, Pulse Input and Temperature) are listed and fixed. If,
however, a new tube application was added by the user, they will need to
manually enter the register addresses.