Omega LTUR Series, User Manual

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7. Output Mode
FSH (FAIL-SAFE HIGH) PROTECTION:
On the OUTPUT MODE, select Fail-Safe High Mode (FSH) and install the tuning fork
switch at the high position.
Relay Output:
Normal Status: NO & COM contact of the relay are conducted and the Signal Lamp
lights up when tuning fork level switch doesn't sense any materials.
Failure: NC & COM contact of the relay are conducted and the Signal Lamp is out
when tuning fork level switch senses the material or when there is power breakdown.
PNP/NPN Output:
Normal Status: Output is conducted and the Signal Lamp lights up when tuning fork
level switch doesn't sense any materials.
Failure: Output is not conducted and the Signal Lamp is out when tuning fork level
switch senses the material or when there is power breakdown.
FSL (FAIL-SAFE LOW) PROTECTION:
On the OUTPUT MODE, select Fail-Safe Low Mode (FSL) and install the tuning fork
switch at the low position.
Relay Output:
Normal Status: NO & COM contact of the relay are conducted and the Signal Lamp
lights up when tuning fork level switch senses the materials.
Failure: NC & COM contact of the relay are conducted and the Signal Lamp is out
when tuning fork level switch does not sense the material or when there is power
breakdown.
PNP/NPN Output:
Normal Status: Output is conducted and the Signal Lamp lights up when tuning fork
level switch senses materials.
Failure: Output is not conducted and the Signal Lamp is out when tuning fork level
switch does not sense the material or when there is power breakdown.