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

Aperçu du protocole

Nom complet Modbus

Abréviation Modbus

Couche OSI Application Layer

Catégorie Industrial

Port par défaut 502

À propos 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 Port 502

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