Binary level sensor for overflow prevention / leakage detection according to WHG
LI213x
21
8 Operation
8.1 Function check
After power-on the device is in the operating mode. It carries out its measurement and evaluation
functions and generates output signals according to the set parameters.
u
Check whether the device operates correctly.
8.2 Operation indication by LEDs (factory setting)
Both yellow LEDs (LED1 and LED2) indicate the switching status of output OUTOP.
The switching status of output OUT2 is not indicated by LEDs in the factory setting.
Operating status
LED1 (yellow)
(OUT-OP)
LED2 (yellow)
(OUT-OP)
LED3 (green)
(Operating voltage)
Device ready for operation, no medium
detected
OFF
OFF
ON
Device ready for operation, medium de-
tected
ON
ON
ON
No operating voltage / operating volt-
age too low
OFF
OFF
OFF
Short circuit OUT-OP
flashes at 4 Hz
ON
Short circuit OUT2
flashes at 4 Hz
ON
Error / failure
OFF
OFF
flashes at 8 Hz
Visual signalling for localisation
double flashing at 1 Hz
ON
Teach operation
Ò
Parameter setting via the teach button
Fault during the teach operation
Flashes at 8 Hz yellow/green for 2 s
Teach with the device locked
Ò
Unlock device
X
X
flashes at 1 Hz