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Preface
This manual describes the specifications of the Ethernet Module (referred to as the
EN311) for PROSEC-T3H, handling of it when used by the Integrated Controller V Series
model 3000 Controller, and presents sample programs.
When using this product, use the product correctly based on a thorough reading of this
manual. This document is organized as follows:
Safety Precautions, Limitation of Applications, and Immunity
Make sure to read these sections before using this product.
• Chapter 1 Ethernet Module (EN311) Overview
Presents an overview of the EN311, including its functions, specifications, and
systems in which it can be used. Refer to this chapter to understand the basic
performance of the EN311.
• Chapter 2 EN311 Parts and Functions
Describes the function and names of the components of the EN311. Since this chapter
presents information required understanding the hardware settings described in the
next chapter, read this chapter carefully and use the EN311 correctly.
• Chapter 3 Preparing for Operation (Hardware)
Describes the hardware preparations and settings required to operate the EN311
normally.
• Chapter 4 Preparing for Operation (Software)
Describes the software settings required to operate the EN311 normally, and presents
sample programs.
• Chapter 5 Computer Link Protocol and the PC Link Protocol Transmission
Gives the precautions, describes the instruction format used with computer link
protocol and PC link protocol transmission, and presents sample programs.
• Chapter 6 Socket Interface Communication
Presents an overview of the socket interface, precautions, and the instruction format
used on the EN311 with the socket interface, and presents sample programs.
• Chapter 7 RAS Information
Describes the instruction format and the format of the EN311 RAS information
(including station status and down information), and presents sample programs.
• Chapter 8 Error Handling
Describes techniques for determining the causes of errors when EN311 operation is
abnormal, and procedures for recovering from those errors.
• Chapter 9 Installation and Wiring
Describes the procedures for installing the EN311 (and T3H), procedures for laying
transmission cable and the nature of the construction required.
• Appendix
Presents request code, completion status, and error code tables and describe the
execution times and minimum transmission delay times for each instruction.
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