1.2 EtherNet/IP of this controller
1-4
1.2.4 Hardware settings
The EtherNet/IP function is performed using HMS EtherNet/IP module (“Anybus-S Ethernet module” or
“Anybus-M Ethernet scanner module” (HMS Industrial Networks)) that is mounted on field bus base board.
Up to two modules can be mounted on field bus base board.
It’s unnecessary to change the dip switches on field bus base board and HMS EtherNet/IP module.
EtherNet/IP
(Module 2)
Dip switch
EtherNet/IP
(Module 1)
UM236
LED
Dip switches
Cable connector
Fig. 1.2.3 Appearance of field bus base board
Fig. 1.2.4 Appearance of HMS EtherNet/IP module
1.2.5 EtherNet/IP network
Use category 5 or higher Ethernet cable for the EtherNet/IP network. In addition, make sure that the length
of Ethernet cable as measured from switches to this controller does not exceed 100 m.
In order to maintain normal communication status, be sure to use a switch having the functions given below
for the switch to be used as the accumulation point for the EtherNet network.
・
Equipped with an L2 switch for preventing signal collision
・
Capable of 100 Mbps communications
・
Supports full duplex communications
If the network is large and traffic is high, be sure to configure the network using switches equipped with
Quality of Service (QOS) and Virtual Local Area Network (VLAN) functions so that delays in I/O transfer do not
occur.
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