Answer / ashish khatana

Protocol Transport

Ethernet/IP TCP/IP
AB/CSPv4 TCP/IP
Modbus/RTU UDP/IP
DF1 Radio Modem UDP/IP

Answer / lalith kumar

RS485
RS232
Ethernet TCP/IP
Profibus
Modbus

Answer / rahul dev

DIfferent types of protocol is used in PLC .

1. Modbus RTU/ASCII
2. Unitelway
3. TCP/IP
4. Modnet(Modbus TCP/IP)
5. Devicenet
6. Can Open
7. Profibus
8. Modbus Plus
9. DH+
10.Arcnet
there are more protocols these are used according to your
requerment.

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