Power line communication using RS-485 simulation

28th February 2019
Posted By : Alex Lynn
Power line communication using RS-485 simulation

This reference design from Texas Instruments establishes a simulation model for implementing RS-485 communication over power cabling. This simulation model can be used to assess the feasibility of implementing RS485 communication at a given data rate, cable length, and loading for a specific cable before taking the time-consuming step of building a representative network.

A procedure is given for developing a cable model for any given cable and replacing the cable model in the simulation.


  • Simulation model demonstrates feasibility of 64 kbps data rate with cable length up to 1000 feet and a total of 128 nodes.
  • Sanity-checked against real cable measurements.
  • Establishes procedure for developing cable model for further simulations.

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