It refers to Probe Level Lo.
SENSOR_CAL_HI (CAL_POINT_HI): Sensor Cal Hi is
the upper calibrated point of Sensor Value in sensor units.
It refers to Probe Level Hi.
PROBE_LEVEL_LO (LEVEL_LO): Probe Level Low is
the value of Probe Level at Sensor Cal Lo and is defined in
Probe Level units.
PROBE_LEVEL_HI (LEVEL_HI): Probe Level Hi is the
value of Probe Level at Sensor Cal Hi and is defined in
Probe Level units.
LEVEL_OFFSET: Desired level reading when liquid sur-
face is at end of probe. Level Offset is defined in Probe
Level units.
LIN_TYPE: Type of linearization. No linearization is sup-
ported.
SENSOR_HIGH_LIMIT: Upper process limit of the sen-
sor in sensor units.
SENSOR_LOW_LIMIT: Lower process limit of the sensor
in sensor units.
Another important parameter found later in the TRANS-
DUCER block list is DEVICE_STATUS, which displays
the status of the device. If more than one message exists,
then the messages are displayed in priority order. Refer to
Section 7.1.2, Error Messages.
If DEVICE_STATUS indicates a problem, refer to
Section 7.1, Troubleshooting.
To change a parameter at the local user interface, a value
matching the user password must be entered (Default=0). If
the user password is entered, the instrument is in the user
mode. After 5 minutes with no keypad activity, the entered
password expires.
Factory password is for use by trained factory personnel only.
From the network, the instrument always behaves as if it is
in the user mode by default. In other words, it is not neces-
sary to enter the user password in order to write parameters
from the network.
24
57-645 Eclipse Guided Wave Radar Transmitter - PROFIBUS PA
™
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