Siemens sitrans LR 400 Instruction Manual page 55

4.4.2: Error Level (F = D: Error Signal)
Level for the error signal to alarm in Analog or Digital output
Value
When D is selected, all errors are displayed. When D+F is selected, there is special
handling for failsafe. When D+F+W is selected, there is special handling for warnings.
4.4.3: Signal Type DO (F = Relay closes)
Value
Here you can determine the behavior of the digital output. Select whether its contact
closes or opens at an event.
The following parameters are only enabled when the digital output supplies a limit value.
4.6.8.6: Antenna offset (see page 56)
4.6.8.7: Reference distance (see page 56)
4.4.4: Level Parameter (= Parameter 4.2.4)
or
4.4.4: Volume Parameter (= Parameter 4.2.5)
7ML19985FH03
D: Error Signal
D+F: Error Signal
D+F+W: Error Signal
Relay closes
Relay opens
electronic fuse
Device
9 W
SITRANS LR 400 – INSTRUCTION MANUAL
External supply
Page 51