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Using The Modbus Rtu Protocol
Found 2 free book(s)
Introduction to Modbus TCP/IP
www.prosoft-technology.comModbus TCP/IP (also Modbus-TCP) is simply the Modbus RTU protocol with a TCP interface that runs on Ethernet. The Modbus messaging structure is the application protocol that defines the rules for organizing and interpreting the data independent of the data transmission medium.
Industrial Communications and Control Protocols
pdhonline.comThe HART protocol 20 TCP/IP 21 Control protocols 22 Modbus and some of its variants 23 Modbus Plus 23 Rockwell / Allen-Bradley Protocols 23 Some Important Open Protocols 25 The Fieldbus Foundation and its work 25 FOUNDATION Fieldbus H1 25 FOUNDATION Fieldbus HSE 26 The PROFIBUS Standards 27 PROFIBUS PA 27 PROFIBUS DP 28 PROFINET 28