Chapter 6 Wiring, Communication Setting and Network Construction 
6-19 
6.7  Ethernet Communication Port 
6.7.1  Function that Ethernet Communication Port Supports 
 the 
  
 
Both of the two Ethernet ports can be used to download configuration files, execution files and CAM files. They 
also support automatic jumper function and users do not need to additionally select wire jumper when one of 
Ethernet ports  is connected to the computer or switchboard. Besides, they can automatically detect the 
transmission speed of 10Mbps and 100 Mbps as well. 
 
                 the 
 
 
Both of the two Ethernet ports support Modbus protocol. LAN1 port can work as a slave only and LAN2 port 
can work as a master or a slave. LAN2 supports EtherNFor more 
 
 
Communication protocol  MODBUS TCP 
MODBUS TCP, Socket, 
EtherNet/IP 
MODBUS TCP 
16 
Socket 
0  8 
EtherNet/IP 
CIP_IO 
Connection 
Unsupported 
Interval time for sending 
messages 
5ms~1000ms 
Maximum data size per 
message 
200bytes 
CIP_Explicit 
Message 
Unsupported 
8   
UCMM 
(Non-Connected Type) 
16 
Supports CIP objects 
Router, Assembly, 
Connection Manager, 
Port, TCP/IP interface, 
Ethernet link, Vendor