Yanmar
®
600 Control Panel Operation and Troubleshooting
463-3000-09 Initial - 16-May-2008 21
Typical J1939 Wiring Topology
Most electronically governed engine installations include a harness with built in J1939 backbone. Use
twisted shielded pair with a drain wire for CANbus wiring terminated with 120Ω resistors at each end. The
maximum length for the bus is 131 feet (40 m) and stubs should not exceed 39 inches (1m) in length.
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