High Country Tek HFS-3 - Manual (Page 3)

Hydraulic Fan System Controller – HFS-3-12v
ALL information contained herein is copyrighted to High Country Tek, Inc - © 2009.
Product Overview :
3
 Self contained controller plug for Mobile, Industrial or Marine Hydraulic fan cooling systems.
 Interfaces directly with engine PWM fan speed signal.
 Space saving - ‘ON-Valve’ mounting using standard DIN 43650 connector.
 EMC compliant product to EN50081-1 and EN50082-2 ( heavy industrial )
 1 x proportional MosFet driver output ( PWM ) at upto 1200mA ( @12VDC ).
 Sealed and environmentally protected to IP68 or NEMA 6P
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Flame proof resin ‘Encapsulated’ version to suit application environment.
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No extra DIN housing or ‘Card Holder’ to buy.
 Pre-
wired with 3 meters ( ≈10 ft ) of colour coded cable for fast reliable connection.
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Fully ‘isolated’ design for improved safety and ease of application difficult areas.
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Unit status ‘Diagnostic’ LED visible through opaque plug cover.
 Low cost compared to other available modules with comparative functions.
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Easy to use ‘top entry’ adjustments for all major parameters..
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Single turn potentiometer ( 1 turns ) ‘I Min’ adjustment for driven solenoid
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Multiturn potentiometer ( 20 turns ) ‘I Max’ adjustment for driven solenoid.
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‘Dither’ frequency Variable ( single turn ) from 100Hz to 250Hz ( +/-20%).
 Heavy duty approved cable for all application environments.
 Protected inputs and user outputs for maximum reliability and product life.
This driver unit has been designed to interface and operate with:-
• Wide supply range 10VDC to 14VDC ( 12V nominal )
• Engine Control Unit ( ECU ) 5% to 95% PWM output with 0.5 to 4.5V ( based on 5V maximum ) and
• PWM frequency input from 20 – 125Hz.
• Fan system control manifold blocks.
• Vane and Gear motors with internal or external pressure control valves.
• Piston pump with remote compensator using proportional pilot pressure valves.
• Systems with 12VDC cartridge valves as fluid controlling elements Positive or Negative logic.
Product Features: