7.7.4 Current Output - Siemens SITRANS L Series Operating Instructions Manual

Transmitter offset
SENSOR OFFSET:
Sets an offset to compensate for changes in the transmitter reference point.
Changes in the transmitter reference point can be caused, for example, by using a
thicker seal or reducing the height of the mounting nozzle.
7.7.4 Current output
Loop current mode
Sets the operation of the current output as loop current 4 ... 20 mA, or as fixed
current value 4 mA for the HART multidrop mode.
Setting
CURRENT OUT
Damping value
DAMPING:
Adjusts the damping (filtering of the PV to smooth sudden fluctuations in measured
values.
An increase in damping increases the reaction time of the device and affects the
digital value and loop current. For noisy output values increase parameter " Damping
value". For faster reaction times reduce parameter " Damping value". Determine a
value that meets the requirements for signal stability and reaction time.
The process value set as the primary variable (PV) for the application is damped using
the value in parameter " Damping value".
Characteristics current output
Sets the current output as rising characteristics 4 ... 20 mA or as falling characteristics
20 ... 4 mA.
Setting
CURRENT OUT
SITRANS LR150
Operating Instructions, 08/2020, A5E50352155
Selection Selection
LOOP CUR MDE ON
OFF
Selection Selection
OUT CHARACT 4 ... 20 mA
Setup with the integrated HMI
7.7.4 Current output
Description
4 ... 20 mA
4 mA fix
Description
Rising
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