Emerson LTM-300 작동 가이드
If the user selects Revision #’s from
the Device information screen, the
screen to the left will display the
revisions of the transmitter.
the Device information screen, the
screen to the left will display the
revisions of the transmitter.
The bottom half of the list of Device
information items is shown to the
left. The menu entry Revision #’s
will display the various revisions of
the transmitter.
information items is shown to the
left. The menu entry Revision #’s
will display the various revisions of
the transmitter.
If the user selects Device
information from the Detailed setup
screen, nine items are displayed
and one additional menu option is
displayed. This portion of the list
displays the items to the left.
information from the Detailed setup
screen, nine items are displayed
and one additional menu option is
displayed. This portion of the list
displays the items to the left.
If the user selects HART output
from the Output condition screen,
he may change the polling address
of the transmitter and is given
the number of request preambles
required by the transmitter.
from the Output condition screen,
he may change the polling address
of the transmitter and is given
the number of request preambles
required by the transmitter.
If the user selects Analog output
from the Output condition screen,
the Alarm type is displayed and two
options for procedures, Loop Test
and Scaled D/A trim. The Loop
Test procedure is presented in the
Diagnostics section and Scaled D/A
trim is presented in the Calibration
section.
from the Output condition screen,
the Alarm type is displayed and two
options for procedures, Loop Test
and Scaled D/A trim. The Loop
Test procedure is presented in the
Diagnostics section and Scaled D/A
trim is presented in the Calibration
section.
If the user selects Output condition
from the Detailed setup screen,
he is presented with two menu
selections, Analog output and
HART output.
from the Detailed setup screen,
he is presented with two menu
selections, Analog output and
HART output.
The Probe Length is set in the factory when the unit is
prepared for shipment. The probe length is used as a reference
for a number of diagnostics fuctions as well as setting the URL
and LRL shown on the Keypad rerange screens. If an amplifi er
is changed, it is important that this parameter be set to the
proper value for the probe used.
prepared for shipment. The probe length is used as a reference
for a number of diagnostics fuctions as well as setting the URL
and LRL shown on the Keypad rerange screens. If an amplifi er
is changed, it is important that this parameter be set to the
proper value for the probe used.
Probe Length
The Probe Length parameter may
be found by entering the Detailed
setup menu and selecting Sensors.
be found by entering the Detailed
setup menu and selecting Sensors.
Select Probe Length to view or edit
If the probe length is incorrect,
provide the correct length and press
ENTER
provide the correct length and press
ENTER
.
When the communicator returns to
the Sensors screen, the SEND but-
ton is highlighted. Press SEND to
write the correct probe length to the
amplifi er.
the Sensors screen, the SEND but-
ton is highlighted. Press SEND to
write the correct probe length to the
amplifi er.
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MAIL
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Level Off set
Starting at the Sensors Screen, select
Zero Off set and press ENTER. This
procedure sets a 4mA point anywhere
on the probe in reference to the end
of the probe.
Zero Off set and press ENTER. This
procedure sets a 4mA point anywhere
on the probe in reference to the end
of the probe.
Enter the desired value of the off set
from the bottom of the probe
and press ENTER. This will show a
level off set @ 4mA. i.e. 4mA will be
reported @ 5.0” if 5.0” is selected.
from the bottom of the probe
and press ENTER. This will show a
level off set @ 4mA. i.e. 4mA will be
reported @ 5.0” if 5.0” is selected.
The user must press F3 to send the
Level Off set to the LTM300.
Level Off set to the LTM300.
The LTM-300 complies with the following standards:
IEC 60079-0, IEC60079-1
EN 50014, EN 50018
IEC 60079-0, IEC60079-1
EN 50014, EN 50018
LTM300IOM Rev. 6.1
3902 Magnolia Road, Pearland. Texas. 77584