Siemens sitrans LR 400 Instruction Manual page 53

4.3.2: AO Select (F = Level)
Assignment of a measured value to the analog output
Value
Here you can set whether the analog output supplies the level or the volume to the
control system.
The selection controls the following Parameter 4.3.3.
4.3.3: Level Parameter (= Parameter 4.2.4)
or
4.3.3: Volume Parameter (= Parameter 4.2.5)
4.3.4: Current Limit (F = 20 mA)
Upper current limit
Value
Here you can set the upper current limit of the output signal in steps of 0.1 mA (see
Current limiting diagram below).
Current limiting
The URV is always at 20 mA. If you set the current limit to a higher value, you can have the
measured values output outside the measuring range (up to approx. 115%).
7ML19985FH03
Level
Volume
20 - 22.5 mA
current
SITRANS LR 400 – INSTRUCTION MANUAL
22,5 mA
setting range
20,0 mA
measured value
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