Emerson Rosemount 3051HT, Quick Start Manual

Page: 19 / 32

2.5.6 AI block configuration parameters
Use the pressure example for a guide.
Parameters Enter data
Channel 1 = Pressure, 2 = Sensor temp, 12 = SPM mean, 13 = SPM standard
deviation
L_Type Direct, indirect, or square root
XD_Scale Scale and engineering units
(1)
Pa bar torr at 0 °C ft H
2
O at 4 °C m H
2
O at 4 °C
kPa mbar kg/cm
2
ft H
2
O at 60 °F mm Hg at 0 °C
mPa psf kg/cm
2
ft H
2
O at 68 °F cm Hg at 0 °C
hPa Atm in H
2
O at 4 °C mm H
2
O at 4 °C in Hg at 0 °C
°C psi in H
2
O at 60 °F mm H
2
O at 68 °C in Hg at 0 °C
°F g/cm2
2
in H
2
O at 68 °F cm H
2
O at 4 °C
Out_Scale Scale and engineering units
(1) Select only the units that are supported by the device.
Table 2-1: Pressure example
Parameters Enter data
Channel 1
L_Type Direct
XD_Scale See list of supported engineering
units
(1)
.
Out_Scale Set values outside operating range.
(1) Select only the units that are supported by the device.
2.5.7 Display pressure on the LCD display
Select the Pressure check box on the Display Configuration screen.
2.6 Zero trim the transmitter
Procedure to zero trim the transmitter, which is a single-point adjustment
used for compensating mounting position and line pressure effects.
Prerequisites
When performing a zero trim, ensure that the equalizing valve is open and
all wet legs are filled to the correct level.
June 2020 Quick Start Guide
Quick Start Guide 19