Contemporary-control-systems AI-SRVR Servers to Ethernet User Manual Manual do Utilizador descarregar pdf (Página 16)

TD000200-0MC

4.3 AI-PROXY Function

The AI-SRVR offers a function called “AI-PROXY”. This function allows an ARCNET

node in one LAN to communicate with an ARCNET node in another LAN through an

Ethernet backbone link that can be either wired or wireless. A communication path

between two ARCNET networks requires two AI-SRVR units, each serving in one

ARCNET LAN as a proxy for a remote node in the other LAN.

Each AI-SRVR-1 can act as proxy for only one node as shown in Figure 8. In the LAN

on the left, the AI-SRVR-1 will be present as Node ID 2. On the right, the AI-SRVR-1

will represent a Node ID value of 1.

Figure 8 — Each AI-SRVR-1 Can Represent One Node

Each AI-SRVR-8 contains eight ARCNET controllers. Therefore, an AI-SRVR-8 can

represent up to eight nodes as shown in Figure 9. The LAN on the left has sixteen

nodes including nodes 9–16 contained (by proxy) within the AI-SRVR-8. The LAN on

the right also has sixteen nodes — eight individual pieces of equipment and nodes 1–8

represented by the AI-SRVR-8. Multiple AI-SRVR-8 devices can be used when more

than eight ARCNET nodes in an ARCNET LAN need representation.

Figure 9 — Each AI-SRVR-8 Can Represent Eight Nodes

1 2 ... 11 12 13 14 15 16 17 18 19 20

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