Technical Specifications Rack pluggable fan unit; industrial grade axial fan; operating voltage 24VDC; fan speed monitoring; alarm signal output; suitable for HIMA safety cabinet.
Functional Features Continuous forced air cooling for safety rack; fan speed detection; fan failure alarm; hot-swap capable with power off; dust protection structure.
Application Scenarios HIMA HIMatrix safety PLC cabinet, safety instrumented system in petrochemical, power and oil & gas industry.
Performance Parameters Stable airflow for heat dissipation; fan fault diagnosis; long service life under continuous operation.
Structural Characteristics Metal frame assembly, built-in axial fan, speed sensor, front status LED indicators and rack backplane connector.
Working Principle The axial fan circulates air inside HIMA safety rack to dissipate heat generated by safety modules. The speed sensor monitors fan rotation status and triggers alarm when fan stalls or speed drops below threshold.
Installation Requirements Install in designated slot of HIMA safety rack; ensure airflow direction matches cabinet design; maintain cabinet sealing.
Usage Notes Power off rack before module replacement; regularly clean dust on fan and filter; check fan alarm signal during routine inspection.
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