Siemens SITRANS L Series, Operating Instructions Manual, Page: 59 / 106

Setup with the integrated HMI
7.7.5 Volume
Setting Selection Selection Description
20 … 4 mA Falling
Saturation limits
Sets the lower and upper saturation limits. The lower saturation limit is the value
below which the loop current cannot fall. The upper saturation limit is the value
above which the loop current cannot rise.
Setting Selection Selection Description
3.8 … 20.5 mA - CURRENT OUT SATURATE CUR
4 … 20 mA -
Fault current
Sets the current value that is output in case of an error.
Setting Selection Selection Description
≤ 3.6 mA - CURRENT OUT FAULT CUR
≥ 21 mA -
Safety function with echo loss
Defines the behavior of the safety function in case of echo loss and expiration of the
LOE timer. This defines which current value is output in case of echo loss.
Setting Selection Selection Description
HOLD Last valid measured value CURRENT OUT FAILSAFE LOE
FAULT Value adjusted in the
parameter " Fault current "
Safety function LOE timer
LOE TIMER:
Sets the duration of how long an echo loss must be present before the device
triggers the set safety function.
7.7.5 Volume
50
SITRANS LR150
Operating Instructions, 08/2020, A5E50352155