What is Modbus?

Definition

A widely used serial communication protocol for connecting industrial electronic devices over RS-485 or Ethernet. Modbus enables PLCs, drives, and HMIs to exchange parameter data, control commands, and status information.

Related Terms

Modbus TCP

The Modbus protocol adapted for Ethernet TCP/IP networks, providing register-bas...

RS-485

A differential serial communication standard supporting multi-drop networks of u...

Serial Communication

Data transmission where bits are sent sequentially over a single channel, used f...

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