Compaq MC-1 Manuel d'utilisateur télécharger pdf (Page 78)

Procedural Considerations

Page 70 34-ST-25-20 MC Toolkit User Manual Release 0

7/03

Honeywell HART Calibration - D/A Trim

Calibrate

20 mA

Output

(Example

The 20 mA calibration

display appears.

Again, observe the resulting

mA output on the connected

meter.

In the example at right,

meter indication of 4.97 V

is converted to 19.80 mA

and entered into the

Meter

Value

field.

Select Send to copy the

entered value to the

transmitter output

algorithm.

Calibrate

20 mA

Output

(Example

In the example at right, the

corrected value was 5.02 V

(20.08 mA).

This new value is entered

and

Send is selected again.

The new value is observed

as 5.00 V (20.00 mA),

which is entered into the

Meter Value field.

When the Send button is

selected, this display

appears.

The calibration is

completed, but the 20.00

mA calibration value is

retained until

OK in the

popup message is selected.

When the OK button is

selected, the output current

goes back to tracking the

input value, and the popup

message disappears.

Select Back to return to the

CALIBRATION menu.

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Compaq MC-1 Manuel d'utilisateur Page 78

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