WIKA LSO.25 - Manual (Page 26)

26 WIKA operating instructions models LSO.06, LSO.25
13334603.01 09/2010 GB/D/F/E
7. Configuration
GB
7. Configuration
7.1 Setting of fail-safe direction with switch S1
Switch S1 is a wire-hook switch which may be shortened by soldering or permanent
opened by cutting the switch wire.
High alarm: - S1 open,
- Signal relay released if sensor tip is immersed
Low alarm: - S1 closed
- Signal relay released if sensor tip is dry
Factory setting: - S1 open
Fault effect to dry/immersed
Operating status S1 Yellow LED
immersed
Yellow LED
dry
Signal relay
Immersed
sensor tip in
medium with higher
refractive index
open
H
High alarm
flashing off released
closed
L
Low alarm
permanent on off energized
Dry
sensor tip in
medium with lower
refractive index
open
H
High alarm
off permanent on energized
closed
L
Low alarm
off flashing released
Tr
ans
-
ducer
75 high
Fuse
M20 x 1.5 or M16 x 1.5
time delay on
time delay off
time delay
Supply
Failure
Signal