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7-8
Chapter 7: Computer Link Function
7
(4) FL-net's IP address scheme
Each node in the FL-net should be set independently using class C addresses. An "IP address" is an
address used to identify a specific node (station) when sending data and using an Internet Protocol
(IP). Therefore a unique IP address should be assigned to each node or device. The FL-net uses
class C IP addresses.
The default value of an FL-net IP address is "192.168.250.***", where "***" is the node number.
[2] The number of modules and their node numbers
Up to 254 nodes can be connected. The FL-net uses node numbers from 1 to 254.
1 Node Nos. 1 to 249: For normal equipment in the FL-net.
2 Node Nos. 250 to 254: For maintenance of the FL-net.
3 Node No. 255: Used internally by the FL-net. The user cannot assign this number. (It is used to
transfer broadcast of the global address.)
4 Node No. 0: Used internally by the FL-net. The user cannot assign this number.
The number of nodes and node numbers on the FL-net.
FL-net IP
address
Network address
Host number
(node number)
192.168.250 n (n: 1 to 254)
Network
address
Node nbr.
Node number 1 to 249:
Can be used by users.
Node number 250 to 254:
For maintenance
FL-net IP address