Siemens Sitrans PROBE LU Instruction Manual page 85

2.3.3. Temperature Source
Determines the source of the temperature reading used for calculating speed of
sound. There are two options:
Hand
programmer
values
2.3.4. Fixed Temperature
Defines the fixed temperature (in degrees C) used for calculating speed of sound
(see above).
Values
2.3.5. PROFIBUS Current Consumption
Warning:
the design criteria of the network.
Allows you to select the PROFIBUS device current. Higher values allow faster
update rates.
Values
0
1
2
3
Go to Input > Standard Setup > PROFIBUS Current Consumption, and enter the
value corresponding to the desired device current.
1.
This parameter cannot be reset to factory default settings.
2.
Temperature dependent: typical values at +20 °C (+68 °F); maximum values at +80 ° C
(+176 °F).
7ML19985JB02 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL
1
Fixed Temperature (user-defined value: see below)
Automatic default value (recorded by sensor inside the trans-
*
ducer)
1 o
(default 20
Range, Degrees C
This parameter should be modified only once at installation, to match
2
Loop current
*
12 mA
13 mA
15 mA
20 mA
C)
2
Update Time
6.0 s (typical), maximum 16.0 s
5.0 s (typical), maximum 14.0 s
3.7 s (typical), maximum 8.0 s
2.4 s (typical), maximum 4.0 s
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