Honeywell STT850 Quick Start Manual page 23

Set LRV
(HART/DE)
Set URV
(HART/DE)
MRV (HART/FF)
(FF read only)
Hysteresis
(HART/FF)
(FF read only)
Bumpless
Damping
(HART/FF)
(FF read only)
Damping
(HART/DE)
NAMUR Output
(HART/DE)
DAC Zero Trim
(HART/DE)
Loop must be
removed from
Automatic Control
DAC Span Trim
(HART/DE)
Loop must be
removed from
Automatic Control
September 2017
Set ATTENTION: Executing this
Lower service will set the Lower Range
Range Value (LRV) equal to the input
Value pressure
Set ATTENTION: Executing this
Upper service will set the Upper Range
Range Value (URV) equal to the input
Value pressure
Limits are the minimum URL and
maximum LRL of the selected
Set Sensor 1 and Sensor 2 IDs.
Middle Determines the point of
Range transition of Loop Control
Value between Sensor 1 and Sensor 2
for Split-Range Loop Control
Mode.
Hysteresis value relative to the
MRV for the transition of Loop
###.##
Control between Sensors when
Loop Ctrl Mode is Split-Range
Damping value for the transition
of Loop Control between
##.#
Sensors when Loop Ctrl Mode is
Split-Range or Redundant
Selection applies digital filtering
to suppress noise effects on the
#. ## PV.
The limits for this value are 0.0
to 102.0 seconds
Disabling sets the loop output
Enabled
and burnout levels to the
Disabled
Honeywell levels
This selection allows the loop
zero output 4mA value to be
DAC
trimmed.
Zero
Note: You must connect a
Trim
current meter to the transmitter
to monitor the loop output.
This selection allows the loop
span output 20mA value to be
DAC
trimmed.
Span
Note: You must connect a
Trim
current meter to the transmitter
to monitor the loop output.
Quick Start Installation Guide
SmartLine Temperature Transmitter
Press ↵ to
enter
menu
selection
↑ and ↓ to
select
entry.
↵ to enter
23