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