7
1-6 Networks and Remote I/O Systems
Systems
that can be used to create networks and enable remote I/O are intro
-
duced
in this section. Refer
to the operation manuals for the Systems for details.
The
SYSMAC NET Link System is
a LAN (local area network) for use in factory
automation
systems. The SYSMAC NET Link System can consist of up to 128
nodes among which communications may be accomplished via datagrams,
data transfers, or automatic data links.
Datagrams
transmit and receive data using a
command/response format. Com
-
mands can be issued from the user program by the DELIVER COMMAND in-
struction (CMND(194)).
Data can also be transmitted and received using the NETWORK SEND and
NETWORK RECEIVE (SEND(192)/RECV(193)) instructions in the user pro-
gram. Up to 256 words of data can be transferred for each instruction.
Automatic data links allow PCs and computers to create common data areas.
SYSMAC
NET Link Unit
CV500-SNT31
Up to 4 Units can
be mounted.
CV-series
CPU Rack/Expansion CPU Rack
Line Server
Center Power
Feeder
C200H
C500
C1000H
C2000H
Personal
computer
Note Up to four SYSMAC NET Link Units (CV500-SNT31) can be mounted to the
CPU Rack and/or Expansion CPU Rack of each CV-series PC.
SYSMAC NET Link System
Networks and Remote I/O Systems Section 1-6
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