KNOWLEDGE · AMADEUS LAB
Modbus
Modbus is a widely used industrial communication protocol for reading and writing simple device data such as registers, coils and discrete inputs.
SIMPLE EXPLANATION
Modbus industrial communication protocol in context
A client requests values from a server using defined addresses and function codes. Modbus can run over serial links or TCP/IP networks, depending on the device and deployment.
Example
A gateway may read energy meter registers over Modbus TCP and store the values for an energy dashboard.
COMMON QUESTIONS
Frequently asked questions
What is Modbus?
Modbus is a widely used industrial communication protocol for reading and writing simple device data such as registers, coils and discrete inputs.
How does Modbus work?
A client requests values from a server using defined addresses and function codes. Modbus can run over serial links or TCP/IP networks, depending on the device and deployment.
When is Modbus used?
A gateway may read energy meter registers over Modbus TCP and store the values for an energy dashboard.
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