Omron YRC - Page 129

6
External communication interface
6-19
■
Configuration example 3
Personal computer
Hub
1 2 3 4 5 6 7 8
Internet
Router
Hub
1 2 3 4 5 6 7 8
Router
Factory 2
Factory 1
Controller
Head oce
YRCX
For security, it is recommended to construct a firewall (illegal access prevention mechanism).
System setting example
IP address Subnet mask Gateway
Router in head office 133.215.0.2 255.255.255.0
Personal computer 133.215.0.3 255.255.255.0 133.215.0.1
Router at factory 1 133.215.1.1 255.255.255.0
Controller 1 133.215.1.2 255.255.255.0 133.215.1.1
Router at factory 2 133.215.2.1 255.255.255.0
Controller 1 133.215.2.2 255.255.255.0 133.215.2.1
* Set the routers appropriately.
* Set the global address for the IP address to connect to the Internet.
* Since duplicated addresses are not permitted, the customer cannot use the addresses shown in the setting examples
above. Be sure to use the customer's unique addresses. Note that the address allocation and control are performed by
NIC (JPNIC in Japan).