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Before Reading This Document
Thank you for purchasing a Toshiba PROSEC T2N multi-purpose programmable controller.
This manual describes the T2N Ethernet Port specifications and usage, and presents sample
programs for the Ethernet Port used with the PROSEC T2N.
The PU235N has Ethernet Port and the PU245N has Ethernet and TOSLINE-S20LP Port.
The T2N Ethernet Port is built-in a T2N and the T3H Ethernet module is independent module. It is
called “port” with this manual and called “station” with Ethernet Module EN311 for T3H
Instruction Manual are same meaning. This manual describes port.
When using this product, use the product correctly based on a thorough reading of this manual.
When using a T3H Ethernet module, see “Ethernet Module EN311 for T3H Instruction Manual”.
This document is organized as follows.
Chapter 1: Ethernet Port Overview
Presents an overview of the PU235N/245N Ethernet Port, including its functions, specifications,
and systems in which it can be used. Refer to this chapter to understand the basic performance of
the Ethernet Port.
Chapter 2: Ethernet Port Parts and Functions
Describes the function and names of the components of the Ethernet Port. Since this chapter
presents information required to understand the hardware settings described in the next chapter,
read this chapter carefully and use the Ethernet Port correctly.
Chapter 3: Preparing for Operation (Hardware)
Describes the hardware preparations and settings required to operate the Ethernet Port normally.
Chapter 4: Preparing for Operation (Software)
Describes the software settings required to operate the Ethernet Port normally, and presents
sample programs.
Chapter 5: Computer Link Protocol and the PC Link Protocol Transmission
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, cautionary items, and the instruction format used on
the Ethernet Port with the socket interface, and presents sample programs.
Chapter 7: RAS Information
Describes the instruction format and the format of the Ethernet Port RAS information (including
port status and down information), and presents sample programs.
Chapter 8: Error Handling
Describes techniques for determining the causes of errors when Ethernet Port operation is
abnormal, and procedures for recovering from those errors.