RS-485 (EN)

Protocol

Standard for serial data communication with multi-point capabilities

RS-485 Topology

flowchart LR     A[Master] --> B[Slave 1]     A --> C[Slave 2]     A --> D[Slave 3]     B --> E[Terminierung 120Ω]     D --> F[Terminierung 120Ω]     style A fill:#f9f,stroke:#333,stroke-width:4px     style E fill:#ccf,stroke:#333,stroke-width:2px     style F fill:#ccf,stroke:#333,stroke-width:2px

Features

  • Differential signaling for noise suppression
  • Supports up to 32 units on a bus
  • Maximum cable length: 1200m at 9600 Baud
  • Half-duplex communication
  • Baud rates up to 10 Mbit/s at short distances
Quelle: AI Generated