Ethernet/Ip Communication Functions - Mitsubishi Electric MELSEC iQ-F Series User Manual

4.2

EtherNet/IP Communication Functions

The EtherNet/IP communication functions are used to perform data communications over a network between the FX5-ENET/
IP and EtherNet/IP devices.
The FX5-ENET/IP can perform the following types of EtherNet/IP communications.
• Class1 communications
• Class3 communications
• UCMM communications
Class1 communications
With Class1 communications, data communications are performed periodically by establishing connections between the FX5-
ENET/IP and EtherNet/IP devices over a network.
Class1 communications has the following functions.
• Class1 instance communications (Page 27)
Class3 communications
With Class3 communications, data are read or written using message communication support commands by establishing
connections between the FX5-ENET/IP and EtherNet/IP devices over a network.
Class3 communications has the following function.
• Class3 message communications (Page 34)
UCMM communications
With UCMM communications, message communication support commands are used to read and write data without
establishing connections over a network between the FX5-ENET/IP and EtherNet/IP devices.
UCMM communications has the following function.
• UCMM message communications (Page 38)
FX5-ENET/IP has 32 connections for Class1 communications and 32 connections for Class3 and UCMM
communications together. (Page 19 Performance Specifications)
4 FUNCTION
4.2 EtherNet/IP Communication Functions
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