Honeywell SmartLine ST 800 - Page 45

35 ST 800 Pressure Transmitter User’s Manual Revision 15
Reset SP
Correct
<Return>
Do Reset SP
Correct
Executing this selection resets Static Pressure Zero to
the factory value.
Press  to enter
menu selection.
Scroll to Reset
Corrects.
Press  to initiate.
<Return>
DAC Trim
Trim Zero
This selection will calibrate the loop zero output to
4.000 mA
Connect a current meter to the transmitter to monitor
the loop output.
When you press Enter, the transmitter will set the
loop output to 4 mA. When the prompt “Enter
reading” appears, enter the value shown on the
current meter (in milliamps) and press Enter again.
The transmitter will adjust the
DAC output to 4mA.
Press  to enter
menu selection
Scroll to Trim Zero
or Trim Span Press
 to initiate
 and  to select
number.
 to enter and shift to
next digit
Note: Loop
must be
removed
from
Automatic
Control
Trim Span
This selection will calibrate the loop span output to
20.000 mA
Connect a current meter to the transmitter to monitor
the loop output.
When you press Enter, the transmitter will set the
loop output to 20 mA. When the prompt “Enter
reading” appears, enter the value shown on the
current meter (in milliamps) and press
Enter again. The transmitter will adjust the DAC
output to 20 mA.
Set DAC Normal
This selection allows the loop to be returned to its
Normal mode (Automatic Control) after performing
the Trim operation.
Press  to enter
menu selection
Scroll to Set DAC
Normal
Press  to initiate
<Return>
Loop Test
Note: Loop
must be
removed
from
Automatic
Control
Set DAC Output
This selection allows the user to force the DAC
output to any value between 3.8 and 20.8 mA. Note:
This selection will put the DAC into Fixed Output
Mode.
Press  to enter
menu selection
Scroll to Set DAC
Output.
Press  to initiate
Press  or  to
select number.
Press  to enter and
shift to next
digit.
Set DAC Normal
This selection allows the loop to be returned to its
Normal mode (Automatic Control) after performing
the Set DAC Output operation.
Press  to enter
menu selection
Scroll to Set DAC
Normal
Press  to initiate
Factory Cal
<Return>
Active Cal Set
Displays the calibration used by the transmitter.
Select Cal Set
<Return>
This selection allows the
user to choose
Press  to enter menu
selection
Cal Set A