Table 16 Honeywell Hart Calibration - D/A Trim - Honeywell MC ToolKit User Manual

Procedural Considerations

Table 16 Honeywell HART Calibration - D/A Trim

D/A Trim
NOTE:
This procedure
calibrates the value of
the analog output
current at minimum
(0%) and maximum
(100%) values.
To begin, select the
button on the
Trim
Calibration menu.
.
Calibrate Connect a voltmeter or
4 mA
ammeter into the current
Output
loop.
Then, select the
in the popup; the next
message popup appears.
Select
Send
value is copied to the
transmitter output
algorithm.
Again, observe the resulting
mA output on the connected
meter.
If the observed value is not
4.000 mA, select
popup message, enter the
observed current value, and
select Send. Repeat until
the observed value is 4.000
mA.
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Honeywell HART Calibration - D/A Trim
This display appears.
D/A
Observe the meter, and
select the
popup message to
command the transmitter to
button
OK
go to 4.0 mA output.
In the Meter Value field,
key-in the value (in
milliamps) observed on the
meter, as indicated in the
example at right.
Note: If you are using a
voltmeter, use the calculator
to convert the voltage value
to mA.
; the keyed-in If the observed value is
4.000 mA, select
popup message shown at
right appears.
in the
No
34-ST-25-20 MC Toolkit User Manual
Select the Start D/A Trim
button. A popup message
appears.
In this example, the
button in the observed value of 1.038 V
OK
is converted to 4.152 mA.
Select
. The mA calibration.
Yes
to proceed to 20.0
OK
Release 3
9/06