Toro Groundsmaster 5900 Series - Toro Electronic Controllers (Tecs)

ToroElectronicControllers(TECs)
1
2
3
FRONT
g288500
Figure205
1.Frontpowercenter(behindoperatorseat)3.Slavecontroller
2.Mastercontroller
Groundsmaster5900and5910machinesusetwo(2)T oroElectronicControllers
(TEC).Thecontrollerscontainamicrocontrollerthatmonitorstheconditionof
variousswitchesandsenders(inputs).Thecontrollersthendirectelectrical
powertocontrolappropriatemachinefunctions(outputs)basedontheinput
conditions.Thecontrollersareattachedtothefrontpowercenterbehindthe
operatorseat(Figure205).
Logicpowerisprovidedtobothofthecontrollersaslongasthebatterycables
areconnectedtothebatteriesandthebattery−disconnectswitchissettothe
ONposition.FusesF−D1andF−D2(2Amp)providecircuitprotectionforthis
logicpowertothecontrollers.
Theelectricalpowerforcontrolleroutputsisprovidedthroughthree(3)connector
terminals(PWR2,PWR3andPWR4).Three(3)7.5ampfuses(F−A1,F−B1
andF−C1)providecircuitprotectionforthemastercontrolleroutputs.Three(3)
7.5ampfuses(F−A2,F−B2andF−C2)providecircuitprotectionfortheslave
controlleroutputs.
ThemasterTECmonitorsthestatesofthefollowingcomponentsasinputs:
MasterTECInputNumber
Description
IN1
TractionPedalPositionSwitch−
Neutral/Forward
IN2
TractionPedalPositionSwitch−
Neutral/Reverse
IN3
ParkingBrakeSwitch
IN4
High/LowRangeTractionSpeedSwitch
−HighRange
IN5
High/LowRangeTractionSpeedSwitch
−LowRange
IN6NotUsed
IN7
AirCleanerServiceIndicator
IN8
SeatSwitch
Groundsmaster
®
5900&5910
Page6–63
ElectricalSystem:ComponentTesting
16227SLRevB