Compact fans for AC and DC [PDF] - ebm-papst

Vario-Pro ®Information– ”Software instead of hardware“ – aptly describes the unique fan concept,equipped at the plant with tailor-made intelligence for cooling electronics.– Flexible configuration using software, allows quicker availability, sampling from the factoryand the ability to supply customer-specific solutions in any quantity.DC axial fansVario-Pro-FeaturesExternal Speed setting– Speed setting via temperature, PWM oranalogue control voltage.See page 120 (Speed setting).– Description of speed curve with up to 14selectable interpolation points.Linear interpolation between the points.– Zero speed possible.– Recognition of sensor failure: In case ofloss of sensor, the fan operates atprogrammable (fail-safe) speed.Fan series620 298400 N 368300 388200 J 393400 N 403300 423200 J 434400 FN 454300 404100 N 494100 NH 504100 NH 7-8 51PageAlarm and tachometer functions– Optional alarm and/or tachometer function– Selectable alarm speedlimit (with hysteresis) and alarmdelay time– Latching of alarm signal– Delay only when starting orpermanently active– ”High“ or ”Low“ output signalin case of alarm– Optional alarm if temperaturesensor fails.– Optional alarm in case of excesstemperature.Fan seriesDV 4100 525200 N 53DV 5200 545100 N 555300 567100 N 587200 N 596100 606300 61DV 6200 646400 66DV 6400 68PageMotor management– High control accuracy due todigital motor management– Higher operating efficiencydue to optimum adaptation ofmotor hardware and software.Fan seriesRL 90 N 83RLF 100 84RG 90 N 85RG 125 N 86RG 160 N 87REF 100 93RER 101 94RER 125 N 96RER 160 N 98Page119Representatives Accessories AC centrifugal fans AC axial fans ACmaxx / i-maxx DC fans - specials DC centrifugal fans