Wika LSO.25 Manuel d'utilisateur télécharger pdf (Page 26)

26 WIKA operating instructions models LSO.06, LSO.25

13334603.01 09/2010 GB/D/F/E

7. Conguration

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 eect to dry/immersed

Operating status S1 Yellow LED

immersed

Yellow LED

dry

Signal relay

Immersed

sensor tip in

medium with higher

refractive index

open

High alarm

ashing o released

closed

Low alarm

permanent on o energized

Dry

sensor tip in

medium with lower

refractive index

open

High alarm

o permanent on energized

closed

Low alarm

o ashing released

Trans-

ducer

75 high

Fuse

M20 x 1.5 or

M16 x 1.5

time delay on

time delay o

time delay

Supply

Failure

Signal

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Wika LSO.25 Manuel d'utilisateur Page 26

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