Advanced version of Standard ethernet
Developed by Rockwell Automation
Developed by Rockwell Automation
Similar protocols will be as follows
Profinet
ControlNet
DeviceNet
RAPIEnet
Modbus
Protocol that is used for transmitting information over a serial lines or ethernet, based on master-slave technology.
Protocol developed by Modicon (now schneider electric)
Two types of devices
Modbus master
Device which request information
Modbus Slaves
Devices which provide the information
Types
Modbus RTU
Modbus ASCII
Modbus TCPIP
Profibus
Similar to Modbus RTU, which also works on serial line communication.
Owned by Siemens Automation