55
Reference Manual
00809-0100-4803, Rev GA
Configuration
September 2017
Configuration
The
Sensor Limits
and
Minimum Span
can be viewed under the
Process Temperature Sensor Limits
heading. The upper and lower sensor limits may be edited as needed.
The Rosemount 3051SMV accepts Callendar-Van Dusen constants from a calibrated RTD schedule and
generates a special custom curve to match that specific sensor Resistance vs. Temperature performance.
Matching the specific sensor curve with the transmitter configuration enhances the temperature
measurement accuracy.
Under the
Sensor Matching
heading, the Callendar-Van Dusen constants R
0
, A, B, and C can be viewed.
If the Callendar-Van Dusen constants are known for the user’s specific Pt 100 RTD sensor, the constants
R
0
, A, B, and C may be edited by selecting the Callendar-Van Dusen Setup button and following the
on-screen prompts.
The user may also view the
α
,
β
, and
δ
coefficients by selecting the
View Alpha
,
Beta
,
Delta
button.
The constants R
0
,
α
,
β
, and
δ
may be edited by selecting the
Callendar-Van Dusen Setup
button and
following the on-screen prompts. To reset the transmitter to the IEC 751 Defaults, select the
Reset
to
IEC 751
Defaults
button.
2.7.7
Module temperature
The sensor module temperature variable is the measured temperature of the sensors and electronics
within the SuperModule assembly. The module temperature can be used to control heat tracing or
diagnose device overheating.
Figure 2-39. Variables - Module Temperature Tab
Under the
Module Temperature Setup
heading, edit the
Units
as needed.
The
Sensor Limits
can be viewed under the
Module Temperature Sensor Limits
heading.
Mass and energy flow Fast Keys
1, 4, 1, 7
Direct process variable output Fast Keys
1, 4, 1, 4
Содержание 3051S Series
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