Question: what is the difference between modbus tcp and ethernet ip?
Answer: Modbus TCP/IP: - only physical layer and data link layer changers but original communication standard (Modbus )is as it is, i.e., data frame is having 64 octates but after finishing Modbus data other octates sent blank. In Ethernet TCP/IP: - it is full of data .. 64 octates with CRC party Strat & stop bits.