Siemens Sitrans Probe LU Instruction Manual page 85

Oxley Creek WWTP Water Reclamation
(Probe LU Manual) Vendor Manual
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:
Allows you to select the PROFIBUS device current. Higher values allow faster
update rates.
Values
Go to
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
1
1
(default 20
Range, Degrees C
This parameter should be modified only once at installation, to match
the design criteria of the network.
2
Loop current
12 mA
13 mA
15 mA
20 mA
SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL
Fixed Temperature (user-defined value: see below)
Automatic default value (recorded by sensor inside the trans-
ducer)
o
C)
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
Doc Id: VM11
Active Date: 15/12/2006
2
, and enter the
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