2) flow of the token, 2) flow of the token -20 – Sharp Z-336J User Manual

Page 174

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Chapter 15: Appendix

15

(2) Flow of the token

Basically, only one token exists on the same network.
If there are two or more tokens on the same network, the token from the node with the smaller node
number takes priority, and the other tokens are discarded.
A frame with a token (a token frame) consists of a destination node number and the node number of
the node sending the token.
A node will become the node holding the token when the destination node number in a token frame
matches its own node number.
The routing order of a token is determined by the node numbers.
Each node passes the token in the order of the nodes listed in the participating node management
table.
The node with the largest node number will pass the token to a node with the smallest node number.

Flow route taken by the token.

Node 2

Node 3

Node N-1

Passes the token to the node with
the smallest node number

Node 1

Node N

Passes the token to

the next node

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