Passenger lift lighting
- Conveyor and transport systems
- The function of the lighting in a passenger lift is monitored. If all lights fail, the lift may no longer be used.
- The E3IM is configured with the “under” function so that the current from a single lamp will exceed the threshold and trip the output relay. If the last lamp in a lift car fails, it may not be operated for legal reasons. The current monitoring relay provides this “zero current detection”.
- - Meets the legal requirements by detecting lamp failures
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Mains failure monitoring
The emergency lighting is activated in the event of a mains failure or undervoltage.
Continuous operation detection
Preventing the destruction of a compressor due to continuous operation after an air hose becomes defective.
Rotation direction monitoring for heat pumps
A heat pump should be protected against rotation in the wrong direction. If the phase sequence is incorrect, the pump must not be switched on. If a phase fails…
Building navigation lights
LED navigation lights on taller buildings and towers in the vicinity of airports should be monitored.
Loading docklight control
The light on the loading dock and in the warehouse is often on all night even though no one needs it.
Monitoring of a cold store door
This is designed to prevent the cold store door from being open for too long while the cooling continues to run.