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Electronic Controller Solutions for the Global Fluid Power Industry

Hydraulic Fan System Controller with SAE J1939 Interface

HFS-J User Guide

Part No:- 021-00158 Rev C HFS-J Hydraulic Fan System Controller User Guide Page | 5

‘HFS-J’ Hydraulic Fan System Controller:

The HFS-J is the latest addition to the

High Country Tek ( HCT )

family of hydraulic fan control modules. The highly

cost effective HFS-J has enough processing power and input output functionality when operating as a single control

module to support a wide range of hydraulic fan system applications. As with all of the HCT modules, the HFS-J is

packaged in a small rugged enclosure and encapsulated in flame resistant resin to withstand extreme conditions in

the harsh mobile operating environment.

The HFS-J module is ideally suited for today’s hydraulic OEM, distributor or system builder. With both mechanical and

electrical robustness paramount in the design priority, Windows™ compatible easy to use set-up software and full CE

compliance means this one product can through, the many configurations and features available, be used across

multiple platforms, markets and applications.

This units cost effectiveness will become quickly apparent through the reduction in inventory costs and stocking

needs as well as in the reduced costly engineering time taken usually associated with the design to delivery cycle.

Programming of the controller parameters and all diagnostics is done through the RS232 connector pendant. This is a

separate connector from the main power, signal and output connector so that optimization or operational observation

can be carried out without disturbing the cooling system operation. When programming, changes or observation of

the module function is required, connection can be made through a standard computer serial connection, either

directly via a 9 way ‘D’ type connector or through one of the many available USB to serial cables along with the

software program HFS-J and the HCT programming interface cable ( Part No:

999-10075) is required for

communication from the controller to a Windows™ based PC.

The HFS-J is designed to make the fan system set-up easy to configure and control. The hardware contains the

framework software where the parameters can be changed depending on the user’s needs via the PC graphical user

interface ( GUI ).

The GUI has been organized into various user screens that are logical and simple to understand. Terminology has

been used that is commonplace through the mechanical, hydraulic, mobile and fan drive industry to allow easy

configuration, set-up and running and is intended to cater for a wide range of users with varying levels of computer

familiarity.

This new version of proven controller hardware is ideally suited to equipment upgrades as well as fitment by OEM’s at

machine build time and offers all the necessary features required by today’s modern engines that use the J1939

communications standard.

The controller will take information directly from the J1939 bus for the common temperatures broadcast such as

Engine RPM, Water, Charge air and Transmission temperature making system integration very quick and easy. The

controller allows the user to also have up to 2 additional external inputs from thermistor or temperature switches as

the same time if required, these can be used as fan speed overrides if for example, the engine retarder or

air/conditioning is selected in the vehicle increasing the heat load needing to be cooled.

The HFS-J product is backed by

High Country Tek’s

industry leading product reliability, easy to use software design

and market leading customer service and technical support as well as on-time delivery while the well designed and

intuitive graphical user Interface (GUI), allows you to program multiple configurable modes of operation available

within the one module.

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