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Road speed limitation 
for commercial vehicles 

www.vdo.com

Summary of Contents for ROAD SPEED LIMITATION -

Page 1: ...Road speed limitation for commercial vehicles www vdo com...

Page 2: ...80 years And the requirements are constantly changing Increasingly heavier traffic the ever de creasing availability of raw materials and our increas ing sense of safety and environmental awareness me...

Page 3: ...3 General information 4 Technical conditions 6 Legal requirements 7 Solutions 8 Advantages 10...

Page 4: ...long axle ratio attainable speeds for trucks are currently much higher than the speed limits on highways and secondary roads in many countries Excessive speed in trucks has numerous conse quences inc...

Page 5: ...signal to the control unit The control unit limits the fuel output in different ways depending on the fuel injection technology of the engine In addition to its main function limiting the maximum spee...

Page 6: ...e regulated with a mechanical throttle pedal which converts the mechanical pedal position to an electrical signal and transmits it via an electrical wire to an electronic control unit The control unit...

Page 7: ...r to make corrections Legal requirements Technical Requirements System requirements System approval Testing Requirements Regular vehicle checks On road monitoring by police Roadworthiness approved bod...

Page 8: ...th standard engine manage ment system This makes Pedal Interface II suitable for use on nearly all types of vehicles It can be config ured by authorized personnel to meet the needs of a wide range of...

Page 9: ...limit By pressing the variable speed limiter switch the driver can choose any speed within this range and the con troller limits the speed according to the driver s de mand Alternatively the unit can...

Page 10: ...pollutant emissions Driver is able to devote full attention to the traffic environment because there is no need to monitor speed visually Easy installation of retrofit systems More than 30 years expe...

Page 11: ...itoring with and without Road Speed Limiter Road Speed Limiter 90 KPH Current Limit KPH 140 120 100 80 60 40 20 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Time in sec Speed in KPH Road Speed 140 120...

Page 12: ...actual use or which may change as a result of further development of the products This information is merely a technical description of the product This information is not meant or intended to be a sp...

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