How many PLC communication types are there, and which one is commonly used in the industry?

Question

Accepted Answer

There are multiple PLC communication types commonly used in various industries.

Some common PLC communication types include Ethernet/IP, Modbus, Profibus, and DeviceNet.
Ethernet/IP is widely used in industries such as manufacturing, automotive, and oil and gas.
Modbus is commonly used in industrial automation and building management systems.
Profibus is often used in process automation and manufacturing.
DeviceNet is commonly used in factory automation and material handling systems.

Accepted Answer

Common PLC communication protocols include Modbus, Ethernet/IP, Profibus, Profinet, and CANopen.