Revision 4.0 STT850 Series HART/DE Option User’s Manual Page 49
Online/Device
Setup/Sensors
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.
* Spurious readings may occur if Break Detect is off in delta mode
Online/Device
Setup/Display Setup
(for Advanced
Display Only)
CVD: Displays parameters which are required to
configure the CVD.
CVD Activation: Can be configured with any of the
below
a) CVD1 ON
b) CVD1 OFF
c) CVD2 ON
d) CVD2 OFF
e) Both ON
f) Both OFF
CVD1 Coefficients:
a) CVD1 Low Limit: A read only floating point value
b) CVD1 High Limit: A read only floating point
value
c) R0: A Floating Point Value
d) Alpha: A Floating Point Value
e) Delta: A Floating Point Value
f) Beta: A Floating Point Value
CVD2 Coefficients:
a) CVD2 Low Limit: A read only floating point value
b) CVD2 High Limit: A read only floating point
value
c) R0: A Floating Point Value
d) Alpha: A Floating Point Value
e) Delta: A Floating Point Value
f) Beta: A Floating Point Value