Technical Specifications 24VDC power supply; enhanced fan speed monitoring circuit; rack pluggable design; part number 996920360; improved vibration resistance.
Functional Features Forced air cooling; high precision fan speed supervision; fan failure alarm; upgraded dust filter; fault signal transmission to safety controller.
Application Scenarios HIMA HIMatrix SIS safety control cabinet for critical process industry including chemical, power, oil and gas.
Performance Parameters Higher cooling efficiency; more stable speed detection; longer service life under continuous industrial operation.
Structural Characteristics Reinforced metal frame, upgraded axial fan, speed feedback sensor, front panel LED indicators and rack backplane connector.
Working Principle Circulate cooling air inside safety rack to reduce module operating temperature, continuously monitor fan rotating speed and trigger alarm when fan malfunction occurs.
Installation Requirements Install in HIMA HIMatrix rack fan slot; maintain unobstructed airflow; ensure cabinet sealing to prevent dust ingress.
Usage Notes Power off rack before replacement; clean dust filter periodically; test fan fault alarm after installation.
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