{"id":31958,"date":"2024-12-04T15:02:39","date_gmt":"2024-12-04T14:02:39","guid":{"rendered":"https:\/\/breuell-hilgenfeldt.de\/fan-failure-detection-for-monitoring-and-ensuring-fan-operation-in-critical-applications\/"},"modified":"2024-12-04T15:02:39","modified_gmt":"2024-12-04T14:02:39","slug":"fan-failure-detection-for-monitoring-and-ensuring-fan-operation-in-critical-applications","status":"publish","type":"product","link":"https:\/\/dev.breuell-hilgenfeldt.de\/en\/fan-failure-detection-for-monitoring-and-ensuring-fan-operation-in-critical-applications\/","title":{"rendered":"Fan failure detection for monitoring and ensuring fan operation in critical applications"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

The fan failure detection LFT reliably detects when the speed of connected
\nAC and\/or DC fans is below a preset speed threshold.
\nThe HALL signal of the monitored fan is evaluated by an electronic system for this purpose.
\nA potential-free contact is then switched via a relay (NO NO contact, NC NC NC contact,
\nCO changeover contact).
\n– Speed evaluation of AC and DC fans by means of Hall signal.
\n– Relay switching functions depending on preset speed thresholds.
\n– Protection against mechanical and moisture stress thanks to complete encapsulation in the housing.
\n– The monitoring functions can be selected for specific devices.<\/p>\n

Application examples<\/strong>
\n– Railway
\n– E-motor fan cooling
\n– WC ventilation
\n– Industry and commerce
\n– Control cabinet climate
\n– Server cabinets
\n– Telecommunications
\n– Signal distribution
\n– Control cabinets in general<\/p>\n

Operation:<\/strong>
\n– input voltage present
\n– fan speed greater than 750 min -1
\n– signal relay K1 energized, terminals 6 and 8 closed Fault status:<\/strong>
\n– speed less than 750 min -1
\n– operating voltage, fan and \/ or electronics missing
\n– signal relay not energized, terminals 6 and 8 open<\/p>\n

 <\/p>\n[html_block id=\"29313\"]\n

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