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Groundsmaster 5900/5910 Page 5 -- 3 Electrical System
CAN--bus Communications
The two (2) TEC controllers (TEC--5001 and
TEC--5002), the Cummins Engine Controller and the
Info Center Display used on the Groundsmaster 5900
and 5910 communicate with each other on a CAN bus
system. Using thissystem allows the tractionunit to fully
integrate all the different electrical components of the
tractor and bring them together as one. The CAN bus
system reduces the number of electrical components
and connections used on the machine and allows the
number of wires in the wire harness to be significantly
reduced. The integration of electrical functions also al-
lows the Info Center Display to assist with electrical sys-
tem diagnostics.
CAN identifies the Controller Area Network that is used
between the controllers on the Groundsmaster. Two (2)
specially designed, twisted cables form the bus. These
wires provide the data pathways between the control-
lers (TEC--5001, TEC--5002 and the Cummins control-
ler) and the Info Center Display used on the machine.
The engineering term for these cables are CAN High
and CAN Low. At the ends of the twisted pair of bus
cables are 120 ohm termination resistors.
Each of the components that is controlled by the CAN
buslinkonlyneeds four (4) wires tooperateandcommu-
nicate to the system: CAN High, CAN Low, B+ (power)
and ground.
Electrical Drawings
The electrical schematic and wire harness drawings for
the Groundsmaster 5900and 5910 arelocated in Chap-
ter 10 -- Foldout Drawings.
Electrical
System