6
External communication interface
6-12
3.3 Connections
The UTP cable (non-shielded twist pair cable) or STP cable (shielded twist pair cable) applicable to category 5
or higher is used for the connections. The wiring type uses the straight type.
To make the connections, insert the modular jack of the cable into the modular connector of the controller
until a click sounds. In the same manner, insert also the modular jack into the modular connector of the hub.
Hub
1 2 3 4 5 6 7 8
YRCX
UTP (STP) straight cable
CAUTION
OMRON uses FL HUB (PHOENIX CONTACT) for the operation check. When incorporating a system, it is
recommended to use this hub.
It is not assumed to use general consumer hubs at factory. Such hubs may have low noise immunity. Therefore,
note that OMRON does not warrant the operation of a hub other than that specified above.
Be sure to connect a hub with high noise immunity to the controller.
CAUTION
The maximum cable length between the hub and controller is 100 m.
When making the connections, be sure to refer to the manuals for mating device (personal computer, etc.) or
peripheral device (hub, etc.).
Set it to "100 Mbps/Full duplex" when the communication mode of the hub can be set manually.
NOTE
To connect to the mating device, it is recommended to make connections using the straight cable through the
hub. It is also possible to directly connect to the mating device using the cross cable without using the hub. In this
case, the communication may not be performed depending on the LAN adapter of the mating device.
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