Honeywell STT750 SmartLine - 7. Troubleshooting; 7.2.1. Fault Conditions and Recommended Corrective Actions

Revision 4 STT750 Temperature Transmitter User’s Manual Page 25
Set LRV
Set Lower Range
Value
ATTENTION: Executing this service
will set the Lower Range Value
(LRV) equal to the input
measurement
Press ↵ to
enter menu
selection
↑ and ↓ to
select entry.
↵ to enter
Set URV
Set Upper Range
Value
ATTENTION: Executing this service
will set the Upper Range Value
(URV) equal to the input
measurement
Damping
#. ##
Selection applies digital filtering to
suppress noise effects on the PV.
The limits for this value are 0.0 to
32.0 seconds
NAMUR Output
Enabled
Disabled
Disabling sets the loop output and
burnout levels to the Honeywell
levels
DAC Zero Trim
Note: Loop must be
removed from
Automatic Control
DAC Zero Trim
This selection allows the loop zero
output 4mA value to be trimmed.
Note: You must connect a current
meter to the transmitter to monitor
the loop output.
DAC Span Trim
Note: Loop must be
removed from
Automatic Control
DAC Span Trim
This selection allows the loop span
output 20mA value to be trimmed.
Note: You must connect a current
meter to the transmitter to monitor
the loop output.
Loop Test
Note: Loop must be
removed from
Automatic Control
Loop Test
12.000
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, as indicated
by the flashing output value.
Navigation away from this menu item
will return the loop to Normal
(Automatic) Mode.
Alarm Type 1
None
PV High
PV Low
Critical Diagnostic
Redundant Input
Active
Type of alarm.
Read Only
Parameter
Alarm Type 2
Tag ID

Enter Tag ID name up to 8
characters long.
 = any Alphanumeric value
Tag ID
HART Device ID
Unique for each
device
Unique ID for device
Read Only
Parameter
HART PV Units
Units of
transmitted PV
Units for the Primary Variable
(Writable - for TC/RTD Sensor Type,
Read only - mV and Ohm Sensor
Type)