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

Tổng quan giao thức

Tên đầy đủ Modbus

Viết tắt Modbus

Tầng OSI Application Layer

Danh mục Industrial

Cổng mặc định 502

Giới thiệu 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 Cổng 502

Giao thức liên quan — Application Layer

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