Reference Manual
00809-0100-4021, Rev FB
August 2011
Rosemount 3144P
3-22
HART
Date
The
Date
command is a user-defined variable that provides a place to save
the date of the last revision of configuration information. It has no impact on
the operation of the transmitter or the HART-based communicator.
Descriptor
The
Descriptor
variable provides a longer user-defined electronic label to
assist with more specific transmitter identification than is available with tag.
The descriptor may be up to 16 characters long and has no impact on the
operation of the transmitter or the HART-based communicator.
Message
The
Message
variable provides the most specific user-defined means for
identifying individual transmitters in multi-transmitter environments. It allows
for 32 characters of information and is stored with the other configuration
data. The message variable has no impact on the operation of the transmitter
or the HART-based communicator.
MEASUREMENT
FILTERING
50/60 Hz Filter
The
50/60 Hz Filter
(also known as Line Voltage Filter or AC Power Filter)
command sets the transmitter electronic filter to reject the frequency of the AC
power supply in the plant. The 60 Hz or 50 Hz mode can be chosen. The
factory default for this setting is 60 Hz.
NOTE
In high noise environments, normal mode is recommended.
Master Reset
Master Reset
resets the electronics without actually powering down the unit. It
does not return the transmitter to the original factory configuration.
Intermittent Sensor
Detect
The following steps indicate how to turn the Intermittent Sensor Detect (also
knows as Transient Filter) feature
ON
or
OFF. W
hen the transmitter is
connected to a Field Communicator, use the fast key sequence and choose
ON
(normal setting) or
OFF
.
Intermittent Threshold
The threshold value can be changed from the default value of 0.2%. Turning
the Intermittent Sensor Detect feature
OFF
or leaving it
ON
and increasing
the threshold value above the default does not affect the time needed for the
transmitter to output the correct alarm signal after detecting a true open
sensor condition. However, the transmitter may briefly output a false
temperature reading for up to one update in either direction (see Figure 3-8 on
page 3-25) up to the threshold value (100% of sensor limits if Intermittent
Sensor Detect is
OFF)
. Unless a rapid response rate is necessary, the
suggested setting is
ON with 0.2% threshold
.
Traditional Fast Keys
1, 3, 5, 2
Device Dashboard
Fast Keys
2, 2, 7, 1, 2
Traditional Fast Keys
1, 3, 5, 3
Device Dashboard
Fast Keys
2, 2, 7, 1, 3
Traditional Fast Keys
1, 3, 5, 4
Device Dashboard
Fast Keys
2, 2, 7, 1, 4
Traditional Fast Keys
1, 3, 6, 1
Device Dashboard
Fast Keys
2, 2, 7, 5, 1
Traditional Fast Keys
1, 2, 1, 3
Device Dashboard
Fast Keys
2, 2, 7, 6
Traditional Fast Keys
1, 3, 6, 2
Device Dashboard
Fast Keys
2, 2, 4, 2, 1
Traditional Fast Keys
1, 3, 6, 3
Device Dashboard
Fast Keys
2, 2, 4, 2, 2
Aotewell Ltd
www.aotewell.com
Industry Automation
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+86-755-8660-6182
