The new electrical system

All vehicle functions are controlled by electronics. The control units receive orders from the switches and buttons , as well as information from the sensors. They transmit signals intended for control devices ( relays , pneumatic, hydraulic or electric ) or to the ( analogue or digital , lights).

Less wire and more functions
The interaction between the control units , unattainable with a traditional electrical system , it is possible thanks to the digitization of signals and their transmission via the CAN lines . Compared to an ordinary plant , reducing the number of cables, fuses and relays is of the order of 40-50% . For example , the opening of the crystal on the passenger side can be adjusted both by the command on the doors , both from the panel of the bunk of the Active Time cab . A traditional circuit would result in a relay which converge on three separate lines , in addition to the direct line to the window motor . With the new system , each panel has its own management unit , which transforms the pulse switch in a signal that circulates through a CAN bus , to reach the control unit of the door .

Furthermore, the number of functions can be significantly increased. It is thus possible to control the radio from the steering wheel and view the stations on the instrument panel display . The driver has information on travel ( average speed, average fuel consumption and instantaneous ) . Even the diagnostic capabilities have been enhanced . The number of transmitted information is so high that it was necessary to establish an order of priority. For any information has been assigned a level of importance : those relating to safety have priority over other information, which are stored waiting to be processed.

The CAN- bus system is divided into four sections : the frame and organs; cabin , instrumentation, radio and communications. For example, the CAN-bus chassis connects the engine, the automated gearbox , the Intarder , the brake system EBS, ECAS air suspension control , anti-theft system and the sensor of the tachograph. The CAN-bus lines are connected together by means of two control connection , placed in the cabin . For bodybuilders , there is a unit on the frame , containing all the terminals needed to connect the lights , the controls of the power take-offs and power indicators on the instrument panel.

Telematics : the remote management of the fleet
The follow-up at a distance of vehicles through GPS system has two advantages . For the management of the transport allows you to locate the vehicle and, thanks to the information of the tachograph , to verify and record the driving time of the driver. For the purposes of fleet management , data transmission function of the vehicle allows you to schedule the maintenance plan . A board Stralis , is provided an interface VDI (Vehicle Data Interface ) that can be connected to an onboard computer provided by a qualified electronic integrator . Iveco has developed a procedure for the qualification of the equipment available on the market. Currently, each European country has one or two authorized suppliers.

Thanks to the electrical and electronic of the Stralis , the driver has information that allow them to optimize driving. The data from the electronic control units and the organs of the vehicle are kept in a kind of "black box" and can be used for fleet management. Can be recovered whenever the vehicle returns to the base, or day by day, through a transmission system GPS .
In addition, the grouping of controls around the steering wheel ( cruise control , retarder, external optical groups ) and on the wheel itself ( menu commands sliding board computer and radio ) allows the driver to stay focused on the road and reduces reaction in case of unforeseen events , to the benefit of security.