Rosemount Model 3144 and 3244MV Smart Temperature Transmitters
3-6
Rerange
The
Range Values
command sets the 4 and 20 mA points or the lower
and upper range values. Setting the range values to the limits of
expected readings maximizes transmitter performance; the transmitter
is most accurate when operated within the expected temperature
ranges for your application. The range of expected readings is defined
by the Lower Range Value (LRV) and the Upper Range Value (URV).
Refer to Table 5-1 on page 5-10 for unit and range limits. You can reset
the transmitter range values as often as necessary to reflect changing
process conditions.
DETAILED SETUP
50/60 Hz Filter
The
50/60 Hz filter
command sets the transmitter electronic filter to
match the frequency of the ac power supply in your plant, which
reduces or eliminates electronic noise within the measurement loop.
Terminal Temperature
Settings
The
Term Temp Sensor
command sets the terminal temperature units
to indicate the ambient temperature of the transmitter.
Signal Condition
The
Signal Condition
command allows you to view or change primary
variable lower and upper range values, sensor percent range, and
sensor damping.
Analog Output
The
Analog Output
command allows you to view the analog output
signal and alarm setting (high or low). With this command you can also
initiate a loop test or make digital trim changes.
Disable Special Sensor
The
Dis Spec Snsr
command disables sensor matching or any other
special sensor configuration, and returns the transmitter to either the
factory or user trim setting, whichever was used previously.
After
disabling the special sensor, make certain the transmitter engineering
units default correctly before returning the transmitter to service.
HART Output
The
HART Output
command allows you to make changes to the
multidrop address, specify the number of requested preambles, initiate
burst mode, and make changes to the burst options.
Meter Settings
The
Meter Settings
command sets meter options including engineering
units, decimal point, and bar graph features. Transmitters without
meters are shipped set to “UNUSED.” Change the meter settings to
reflect necessary configuration parameters when adding a meter or
re-configuring the transmitter.
To customize the variables that the meter displays, follow the steps
below.
1. Select
1 Device setup
,
4 Detailed setup
,
3 Output condition
,
3 Meter Options
,
1 Meter typ
to prepare to customize the meter
display.
2. Select the appropriate variable configuration from the Meter
Type screen.
HART Fast Keys
1, 3, 3
HART Fast Keys
1,4,1,3
HART Fast Keys
1,4,1,2
HART Fast Keys
1,4,2
HART Fast Keys
1,4,3,1
HART Fast Keys
1,4,1,1,4, (1 or 2), 5
HART Fast Keys
1,4,3,2
HART Fast Keys
1,4,3,3