Transcription of LETCO ENTERPRISES PRESENTS - MACS …
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LETCO ENTERPRISES PRESENTS - MACS …
LETCO ENTERPRISES PRESENTSNAVISTAR HVAC SYSTEMS OVERVIEW AND SERVICES TIPSNAVISTAR MODELSLONESTARPROSTARNAVISTAR MODELSDURASTARTRANSTARMULTIPLEXED ELECTRICAL SYSTEM Electrical devices outputs; lamps, gauges, switches controlled by an ECU Use data links to send multiple signals to ECUs System can both: a. Perform tasks, b. Monitor components Communication by Datalinks: decreases total number of wires required. By connecting switches to ECUs, the ECUs can then share switch information on the Datalink with other Computers talk in Binary code uses 8 Bits to make a Byte, 8 Bit Binary Alphabet 1248163264128 Uses a base system of 2: 0 = low voltage: Off, Low, No 1= High voltage: On, High, Yes Example of Binary Message: 191 2 4 8 16 32 64 1281 1 0 0 1 0 0 05 NAVISTAR ELECTRONIC ARCHITECTUREM ainly Engine StuffView Faults and Programming9600 KNo Terminating ResistorsNAVISTAR ELECTRONIC ARCHITECTUREJ1939 Drivetrain Data Link250 KTerminating Resistors(2) 120 Ohm1.
letco enterprises presents navistar hvac systems overview and services tips
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