Protocol

RS-485

EIA-485 · TIA-485

Lab ready Full lab

Differential multi-drop serial physical layer used under Modbus RTU, Profibus, and many industrial buses. Half-duplex pairs need direction control; fail-safe biasing prevents floating receivers.

Layers

Tags

differentialmulti-dropindustrialserial

Sources

  • TIA-485-A (RS-485)
  • Modbus Serial Line Protocol (RS-485 guidance)

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