Page 50 STT850 Series HART/DE Option User’s Manual Revision 4.0
Online/Device
Setup/Display Setup
(for Advanced
Display Only)
Digital Output: Displays set of parameters which
are required to turn ON/OFF the digital output.
Alarm1 type and Alarm2 type: Can be configured
with any of the below types
a) None
b) PV High Alarm
c) PV Low Alarm
d) Critical Diagnostics
e) Redundant Input Active
f) Rate Of Change*
g) Deviation*
Alarm Latch: Enable/Disable/Clear
Alarm Block: ON/OFF
*Adv Diagnostic Options: Displays if advanced
diagnostic (Rate Of Change/ Deviation) present or
not
Set Poin1: A floating point Value
Set Poin2: A floating point Value
Alarm Hysteresis: A floating point Value
Alarm Deviation: A floating point Value
Rate of Change Value: The value will be displayed
only when any of the alarm type is configured with
Rate of Change else NaN is shown.
Indicates the type of display installed on the
transmitter (Advanced or Basic).
Displays a photographic image of the installed
display
Each of eight display screens may be customized
with the following settings:
Screen Format: select the screen format as:
PV only
PV & bar graph
PV & trend.
PV Selection: select the displayed process
variable as:
Loop Output, Percent Output,
Loop PV, CJ Temperature,
Sensor1, Sensor2,
SensorDelta,
Sensor1Resistance, Sensor2Resistance
PV Scaling: select the desired scaling as:
None
Convert Units (direct conversion to other
standard units)
Linear (scale linearly to a custom range)
Engineering Units: for “Convert Units”
scaling option, select desired standard
unit based on selected PV.
Scaling low/high limits: For Linear and Square
Root scaling options, select the low and
high scaling values.
Custom Units: for Linear and Square Root
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