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ST 800 Series HART/DE Option User’s Manual
Revision 5.0
Online/Device
Setup/Basic Setup/
Pressure Xfer Fn
PV Xfer fnctn
Pressure Transfer function:
Select the pressure transfer function for
calculated output:
Linear: (output scaled linearly per
configured range)
Square Root : (output scaled as square
root conversion per configured range -
for flow measurements)
Transfer Function Image
Diagram of a flow application (square root
transfer function) to exemplify dual-slope low-
flow cutoff behavior with uni-directional flow
Online/Device
Setup/Basic Setup/
Low flow Cutoff (Sq
Root)
Low Flow Cutoff Mode
For Square Root (Transfer function)
configurations only, choose the operating
mode to determine the low flow cutoff
breakpoint:
Dual slope: (breakpoint determined by
dual slope calculation)
User configuration: (breakpoint defined
by user)
Low Flow Cutoff
Breakpoint
When “User Configuration” is selected for Low
Flow Cutoff Mode, enter the desired
breakpoint value.
Online/Device
Setup/Basic Setup/
ST 800 Device
Photograph of an ST 800 Pressure
Transmitter
Online/Device
Setup/Basic Setup/
System Connections
Diagram representing typical connections for
power and communications for the ST 800
Pressure Transmitter
Online/Device
Setup/Basic Setup/
ST 800 Assembly
Parts assembly diagram of an ST 800
Pressure Transmitter
Online/Device
Setup/Basic Setup/
Device Information
Honeywell Logo
Photograph of an ST 800 Pressure
Transmitter along with the official “Honeywell”
logo
Manufacturer
Displays Manufacturer of the ST 800 Pressure
Transmitter: Honeywell International
Model
Displays Model number of the ST 800
Pressure Transmitter: ST 800
Install Date
Enter the date of site installation. This is a
one-time only configuration.
MB Type
Displays Meter Body Type of the ST 800
Pressure Transmitter. Possible types are:
DP: Differential Pressure
AP: Absolute Pressure
GP: Gauge Pressure
MB ID
Displays the Meter Body ID number of the ST
800 Pressure Transmitter
Tag
Enter tag identification up to eight
alphanumeric characters.
Long Tag
Enter a long tag name up to 32 alphanumeric
characters.
Cfg chng count
Configuration Change Counter – this counter
keeps track of the number of times any
configuration parameter has been changed