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Chapter 1 Network Configuration

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1.2 Network configuration for Communication module

An example of a network configuration using the communication module is shown below. Refer to each instruction for

detailed specification of each module.

(1) Ethernet module (EH-ETH)

If industrial equipments are connected to the information system network, it is useful for performing production

control, system operation monitor, facilities monitor, and maintenance smoothly.

1.EH-ETH is mounted in a basic base of EH-150 system and is a communication interface module to connect the

EH-150 system to Ethernet conformed to IEEE802.3.

2. EH-ETH connected to Ethernet functions as one station in the network.

And data can be exchanged between a personal computer and a server on the network.

Server

EHV system

Ethernet

Figure 1.7 Example of Network configuration using Ethernet module

(a) 10 connections for transmitting and receiving of data can be used.

- There are 6 ASR connections for message communication and 4 connections for task code communication.

- Data can be transmitted and received by only one connection.

- One of TCP/IP and UDP/IP is selectable as a communication protocol which is used for each connection.

- Data up to 1454 bytes can be transmitted and received between PLC or the host.

(b) Simplifying a ladder program by Web server function for communication setting

and ASR function.

- Various settings for starting communication are performed using a general-purpose Web browser. Setting

information is stored on a built-in FLASH memory in EH-ETH as a file named “setup.dat”. This file is a text

file format.

- Man-hour to create a ladder program can be reduced drastically by using ASR function.

- Programming and I/O monitor via Ethernet of EH-ETH are possible by using the Control Editor. Maintenances

of the program and the whole system improve by remote operation and monitor between PLC connected by

Ethernet.

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RTS WM300 Spezifikationen Seite 9