Electronically controlled pumps for off-road vehicles

April 19, 2011
The family of H1 electronically controlled pumps now offers 60 cm3/68 cm3 and 89 cm3/100 cm3 frame sizes and includes six displacement ranges

The family of H1 electronically controlled pumps now offers 60 cm3/68 cm3 and 89 cm3/100 cm3 frame sizes and includes six displacement ranges.

H1 pumps share a common electronic-control platform, allowing all control options to be used on any H1 pump, irrespective of frame size. This commonality provides greater design flexibility and helps speed up system development. Software developed for one frame size can also be easily transferred to other frame sizes.

The pumps offer a range of electric-only control options including EDC – electrical displacement control (with mechanical feedback), for load-independent speed control; FNR – forward/neutral/reverse, for simple on/off work function control; and NFPE – nonfeedback proportional electrical control, for load dependant control systems.

Also available are control cut-off (CCO) and control over-ride (COR) options that make it possible to perform a control-circuit integrity check, during vehicle start-up, for a range of predefined operating scenarios.

The new H1 frame sizes are suited for combines, telehandlers, forage harvesters, wheel loaders, concrete and asphalt pavers, road rollers and forestry machinery.

Sauer-Danfoss Inc., 2800 E. 13th St., Ames, IA 50010, (515) 239-6000, www.sauer-danfoss.com/H1

© 2011 Penton Media, Inc.

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