Reference Manual
00809-0100-4690, Rev FC
June 2011
Rosemount 2088 and 2090
3-8
CHECK OUTPUT Before performing other transmitter on-line operations, review the digital
output parameters to ensure that the transmitter is operating properly and is
configured to the appropriate process variables.
Process Variables
The process variables for the Rosemount 2088/2090 provide the transmitter
output, and are continuously updated. The Process Variables menu displays
the following process variables:
• Pressure
• Percent Range
• Analog Output
Field Communicator
BASIC SETUP From the Basic Setup menu you can configure the transmitter for certain
basic variables. In many cases, all of these variables are pre-configured at the
factory. Configuration may be required if your transmitter is not configured or if
the configuration variables need revision.
Tag The Tag variable is the easiest way to identify and distinguish between
transmitters in multi-transmitter environments. Use this variable to label
transmitters electronically according to the requirements of your application.
The tag you define is automatically displayed when a Field Communicator
establishes contact with the transmitter at power-up. The tag may be up to
eight characters long and has no impact on the primary variable readings of
the transmitter.
Field Communicator
Set Units The Unit command sets the desired primary variable units. Set the transmitter
output to one of the following engineering units:
Field Communicator
NOTE
After changing units, press SEND so the microprocessor will recalculate the
associated variables (4–20 mA points, for example). The Rosemount
2088/2090 recalculates all variables that depend on units. After the
transmitter recalculates the variables, you may change any of the remaining
parameters.
4-20 mA Fast Keys
1, 1
4-20 mA Fast Keys
1, 3, 1
inH
2
0 g/cm
2
inHg kg/cm
2
ftH
2
0 Pa
mmH
2
0 kPa
psi torr
bar atm
mbar mmH20 @ 4 °C
nH2O @ 4 °C
4-20 mA Fast Keys
1, 3, 2
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