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CHAPTER 5 SYSTEM CONFIGURATION
5
5.1 CC-Link IE Field Network Configuration
5.1.2 Multi-network system
5.1.2 Multi-network system
The multi-network system is a system in which multiple networks are connected by some relay stations. Up to 239
networks can be connected.
● Only one master/local module can be mounted on a safety base unit. Therefore, a safety programmable controller cannot
relay more than one CC-Link IE Field Network. To relay more than one CC-Link IE Field Network systems, use a
standard programmable controller.
● Safety communications can be achieved among safety stations on the same network.
● Cyclic transmission communication is available only in the same network.
● Transient transmission communication is available with other networks as well as the same network. Communications
can be made with stations up to eight networks apart (number of relay stations: 7). ( Page 154, Section 10.1 (1) (b))
CC-Link IE
Controller Network
Network No. 2
CC-Link IE
Field Network
Network No. 1
(Relay station)