User manual VDO VOLTMETER INSTALLATION
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Manual abstract: user guide VDO VOLTMETERINSTALLATION
Detailed instructions for use are in the User's Guide.
[. . . ] We have been developing a wide range of products and solutions for commercial and special vehicles for over 80 years. Increasingly heavier traffic, the ever-decreasing availability of raw materials and our increasing sense of safety and environmental awareness mean that we are constantly facing new challenges. We seize on these tasks, seeing them as an opportunity to place trust in the knowledge of our many specialists in a lot of different fields of business, particularly in the commercial vehicles sector. [. . . ] We seize on these tasks, seeing them as an opportunity to place trust in the knowledge of our many specialists in a lot of different fields of business, particularly in the commercial vehicles sector. As market and technology leader for tachographs, and with our control and monitoring systems for drive and on-board electronics, the on-board units for toll collection, the telematic units and display instruments, we are securing the economic and ecological progress of the commercial vehicle industry for today, tomorrow and the future.
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General information Technical conditions Legal requirements Solutions Advantages
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General information
Excessive speed in driving heavy vehicles has been a social and governmental issue around the world for many years, primarily from the perspective of road safety. With increased engine power and 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 consequences, including: · igherratesofaccidentsinvolvingfatalities H and serious injuries ·ncreasedoperatingandmaintenance I costs for the transport industry ·Increasedcostsforinsurancecompanies ·Greaterenvironmentalpollution
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One effective solution to prevent speeding in commercial vehicles is to equip them with a road speed limiter system, which restricts maximum road speed to the required speed limit without loss of engine power. This is realized by limiting the required fuel demand according to a set speed limit. Information about the current speed of the vehicle is measured with a speed sensor that supplies an electronic speed signal to the control unit. The control unit limits the fuel output in different ways, depending on the fuel injection technology of the engine. The special configuration of the Pedal Interface II makes it unnecessary to adjust the hardware and software associated with standard engine management system. This makes Pedal Interface II suitable for use on nearly all types of vehicles. It can be configured by authorized personnel to meet the needs of a wide range of applications.
Configuration Diagram
Accelerator pedal with sensor
VDO Pedal Interface II
Vehicle engine management/injectors
Various control stalks available
Diagnostics
Speed signal
Flexible control stalk
LED control stalk
Standard control stalk
Pedal Interface II configuration diagram Functions
Tempostat ® cruise control Flexible speed limitation and speed selection Variable road speed limiter Customsettingofmax. speedbetween30and200KPH Road speed limiter Define maximum top speed Additional road speed limiter Program up to 7 additional speed limitations on control unit (Premium) Engine speed limit Define a maximum top engine speed Fixed engine speed control facility Program up to 7 additional engine speed limitations on control unit (Premium) Variable engine speed control facility Custom engine speed options via remote control handset up to a defined max. engine speed Fuel limitations Program up to 7 fuel limits via the status inputs (Premium)
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Standard Enhanced Premium*
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maximum of 7 limits may be set in total.
Functionality of the three Pedal Interface II versions 8
VDO control ECUs for power train applications
VDO AGB III Retrofit and OEM solution for mechanically controlled engines AGB III is the third generation of automatic speed limiters. In addition to the top speed limiter, which limits vehicle speed to a preprogrammed value, the unit includes a variable speed limiter for use at speeds between30KPHandthemaximumspeedlimit. By pressing the variable speed limiter switch, the driver can choose any speed within this range, and the controller limits the speed according to the driver's demand. Alternatively, the unit can be preprogrammed for a second speed limit below the maximum speed limit. The electrical actuator is a device that has been tested and proved over years of operation in everyday use. [. . . ] Alternatively, the unit can be preprogrammed for a second speed limit below the maximum speed limit. The electrical actuator is a device that has been tested and proved over years of operation in everyday use. Various application sets are available.
Electronic Control Unit
Mechanical Linkage
Vehicle Speedometer
Electrical Actuator
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Advantages
The advantages of VDO road speed limiter systems are their own best advertisement: · educedaccidentriskduetolimitationofthe R maximum vehicle speed · orethan30yearsexperienceinspeedlimiter M devices and directives worldwide · oweroperatingcostsasaconsequenceof L reduced wear reduced fuel consumption · ecreasedenvironmentalpollutionduetominimized D lower service costs pollutant emissions longer vehicle lifetime elimination of fines for speeding · riverisabletodevotefullattentiontothetraffic D environment, because there is no need to monitor speed visually · Easyinstallationofretrofitsystems
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SpeedinKPH 140 120 100 80 60 40 20 0 0 2 4 6 8
Without Road Speed Limiter
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Road Speed
Time in sec.
SpeedinKPH 140 120 100 80 60 40 20 0 2 4 6 8
RoadSpeedLimiter90KPH
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Road Speed
CurrentLimitKPH
Time in sec.
Vehicle speed monitoring with and without Road Speed Limiter
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Continental Trading GmbH Kruppstrasse 105 60388 Frankfurt Germany Phone: +49 69 40805-0 Fax: +49 69 40805-210 industrial@vdo. com www. vdo. com VDO A Trademark of the Continental Corporation
The information provided in this brochure contains only general descriptions or performance characteristics, which do not always apply as described in case of actual use or which may change as a result of further development of the products. [. . . ]
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