What port does Modbus use?

Modbus uses port 502 by default.

Unknown

Modbus

Q: What is Modbus?

Modbus (Modbus) is a Application Layer protocol in the Industrial category. Serial communication protocol developed in 1979 for programmable logic controllers. Uses master/slave architecture with register-based data access. Ubiquitous in SCADA and industrial automation.

Application Layer — Industrial

Resumen del protocolo

Nombre completo Modbus

Abreviatura Modbus

Capa OSI Application Layer

Categoría Industrial

Puerto predeterminado 502

Acerca de Modbus

Serial communication protocol developed in 1979 for programmable logic controllers. Uses master/slave architecture with register-based data access. Ubiquitous in SCADA and industrial automation.

Application Layer Industrial Puerto 502

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