Honeywell STT850 Series, Руководство пользователя

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Page 18 STT
850 Series HART/DE Option User’s Manual
Revision 4.0
4.3.4 DE-Specific Configuration Parameters
Select the Configure button, and configure parameters according to
Table 6.
Table 6
– DE Configuration Parameters
Parameter
Read (R) or
Read/Write (R/W)
Configuration Details
LRL
R
Lower Range Limit, Floating Point
URL
R
Upper Range Limit, Floating Point
LRV
R/W
Lower Range Value, Floating Point
URV
R/W
Upper Range Value, Floating Point
PV Units R/W Process Variable Units: scaling value selection;
SV Units R/W Secondary Variable scaling units:
o
C or
o
F
Sensor Type R/W Sensor type used in the Transmitter*
Damping R/W Select digital noise reduction; (see note below)
Span R Process Range: URV
– LRV, Floating Point
Linearization
R
Selection of output characterization configuration: linear or non-
linear
*A
dual input model
cannot be configured
as a single input model.
Select the Back button to go back to the DE MAIN MENU.
4.3.4.1 Notes on Damping (Digital Noise Reduction)
You can adjust the damping time to reduce output noise. By way of suggestion, set damping to the
smallest value reasonable for your process.