Honeywell STT850 SMARTLINE User Manual page 38

1 Corr
Reset Cals
<Return>
Reset Cal
2 Corr
Reset Cals
<Return>
DAC Trim
Note:
Loop
must be
Trim Zero
removed
from
Automatic
Control
Trim Span
Set DAC Normal
<Return>
Loop Test
Set DAC Output
Note:
Loop
must be
removed
from
Automatic
Control
Set DAC Normal
Page 28
Executing this selection resets the Sensor
1 and calibrations back to Factory values.
Executing this selection resets the Sensor
1 calibrations back to Factory values.
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.
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.
This selection allows the loop to be
returned to its Normal mode (Automatic
Control) after performing the Trim
operation.
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.
This selection allows the loop to be
returned to its Normal mode (Automatic
Control) after performing the Set DAC
Output operation
STT850 Temperature Transmitter User's Manual
Press ↵ to enter menu
selection
Scroll to Reset Cals
Press ↵ to initiate
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
Press ↵ to enter menu
selection
Scroll to Set DAC
Normal
Press ↵ to initiate
Press ↵ to enter menu
selection
Scroll to Set DAC
Output
Press ↵ to initiate
↑ and ↓ to select
number.
↵ to enter and shift to
next digit
Press ↵ to enter menu
selection
Scroll to Set DAC
Normal
Press ↵ to initiate
Revision 1