Table of Contents
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About this Manual:
This manual describes the operation of the CS1W-EIP21 and CJ1W-EIP21 EtherNet/IP Units
(100Base-TX) for constructing applications and includes the sections described below.
Please read this manual carefully and be sure you understand the information provided before
attempting to install or operate the Ethernet/IP Unit. Be sure to read the precautions provided in the fol-
lowing section.
Precautions
Section 1 introduces the functions and protocols used in EtherNet/IP Unit communications services.
Section 2 describes how to design an EtherNet/IP system.
Section 3 describes Network Configurator installation.
Section 4 explains how to install the EtherNet/IP Unit and make the initial settings required for opera-
tion.
Section 5 ntlp describes the words allocated in the CIO Area and the DM Area for EtherNet/IP Units.
Section 6 ntlp explains how to manage and use IP addresses.
Section 7 ntlp provides information on communicating on EtherNet/IP Systems and interconnected
networks using FINS commands. The information provided in the section deals only with FINS com-
munications in reference to EtherNet/IP Units.
Appendices ntlp provide information on EtherNet/IP network parameters, the buffer configuration,
TCP status transitions, ASCII characters, maintenance, and inspections.
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