Toro Groundsmaster 7210 - CAN-Bus Terminator Resistor

CAN-busTerminatorResistor
g035036
Figure173
1.CAN-busterminatorresistor
2.Keyway
Thesystemcommunicationbetweentheelectricalcomponentsonthe
Groundsmaster7210machineisaccomplishedonaCAN-buscommunication
system.The2speciallydesigned,twistedwiresformthebusforthenetwork
areusedonyourmachine.Thesewiresprovidethedatapathwaysbetween
themachinecomponents.Attheendofthetwistedpairofbuswiresnearthe
InfoCenterdisplayisa120ohmCAN-busterminatorresistor.
TheCAN-busterminatorresistorplugsintotheplatformwireharnessinthe
controlarm.Theresistorcanbeaccessedbyremovingthecoverplateonthe
rightsideofthecontrolarm.
ThesecondCAN-busterminatorresistorplugsintotheplatformwireharness
belowthefuelpumpneartheleftfueltank.Theresistorcanbeaccessedby
removingtheoperatorsearandrearpanel.
Note:Theinsulatorwedgeintheterminatorresistorisblueforidentication
purposes.Therealsoisacenterkeywaytopreventtheterminatorresistorfrom
pluggingintothewrongwireharnessconnector.
Note:RefertotheElectricalSchematicsandWireHarnessDrawings/Diagrams
inAppendixA—FoldoutDrawingsforadditionalinformationonthelocationofthe
terminatorresistorandwireconnections.
TestingtheCAN-busTerminatorResistor
Testtheterminatorresistor(Figure173)usingadigitalmultimeter(ohmssetting).
TheresistancebetweentheterminalsAandBoftheterminatorresistorshould
be120ohms.TheterminalCisnotusedontheGroundsmaster7210machine.
Groundsmaster7210
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ElectricalSystem:TestingtheElectricalComponents
16222SLRevC