1 Overview
1-2
CJ2 CPU Unit Hardware User’s Manual
1-1 Overview of CJ2 CPU Units
The SYSMAC CJ2 CPU Units are high-speed multi-functional CPU Units with a large memory capacity.
They provide the following features.
z Fast, with Large Memory Capacity
Basic performance is faster and memory capacity has been increased to provide ample capability
for machine control.
z Built-in EtherNet/IP Port
The CJ2 CPU Units support the EtherNet/IP open network as a standard feature. Support Software
connection and universal Ethernet communications, such as data links between PLCs, message
communications between PLCs, and FTP transfers, are all possible.
z General-purpose Networks for Support Software Interface
Support Software and devices can be easily connected using commercially available cable to gen-
eral-purpose networks via USB and EtherNet/IP ports.
z Tag Access
CJ2 CPU Units have a tag name server to manage tag names and I/O addresses. This enables
access from external devices using tag names, without needing to know the I/O addresses.
z Easier Programming
CJ2 CPU Units offer a highly readable programming environment, including features such as
addressing DM and EM Area bits, setting address offsets, and using array variables.
z Improved Debugging
Online editing and data tracing have been improved, greatly increasing the efficiency of debugging.
1-1-1 Overview
Tag access
Easier programming
General-purpose networks for
Support Software interface
Built-in EtherNet/IP port:
standard equipment
Improved debugging
Faster, with
greater capacity
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