Hitachi HIDIC EH-150 Instructions for use

NJI-361(X)

HITACHI PROGRAMABLE CONTROLLER

Ethernet Module(EH-ETH)

APPLICATION MANUAL

Preliminary Rev.03

Safety Precautions

Read this manual and related documents thoroughly before installing, operating, performing preventive maintenance or

performing inspection, and be sure to use the unit correctly. Use this product after acquiring adequate knowledge of the

unit, all safety information, and all cautionary information. Also, make sure this manual enters the possession of the

chief person in charge of safety maintenance.

Safety caution items are classified as “Danger” and “Caution” in this document.

DANGER : Cases where if handled incorrectly a dangerous circumstance may be created, resulting in

possible death or severe injury.

CAUTION : Cases where if handled incorrectly a dangerous circumstance may be created, resulting in

possible minor to medium injury to the body, or only mechanical damage.

However, depending on the circumstances, items marked with may result in major accidents.

In any case, they both contain important information, so please follow them closely.

Icons for prohibited items and required items are shown below:

: Indicates prohibited items (items that may not be performed). For example, when open flames are prohibited,

is shown.

: Indicates required items (items that must be performed). For example, when grounding must be performed,

is shown.

1. About installation

CAUTION

!Use this product in an environment as described in the catalogue and this document.

If this product is used in an environment subject to high temperature, high humidity, excessive dust, corrosive

gases, vibration or shock, it may result in electric shock, fire or malfunction.

!Perform installation according to this manual.

If installation is not performed adequately, it may result in dropping, malfunction or an operational error in the

unit.

!Do not allow foreign objects such as wire chips to enter the unit.

They may become the cause of fire, malfunction or failure.

CAUTION

2. About wiring

REQUIRED

!Always perform grounding (FE terminal).

If grounding is not performed, there is a risk of electric shocks and malfunctions.

CAUTION

!Connect power supply that meets rating.

If a power supply that does not meet rating is connected, fire may be caused.

!The wiring operation should be performed by a qualified personnel.

If wiring is performed incorrectly, it may result in fire, damage, or electric shock.

3. Precautions when using the unit

DANGER

!Do not touch the terminals while the power is on.

There is risk of electric shock.

!Structure the emergency stop circuit, interlock circuit, etc. outside the programmable controller (hereinafter

referred to as PLC).

Damage to the equipment or accidents may occur due to failure of the PLC.

However, do not interlock the unit to external load via relay drive power supply of the relay output module.

CAUTION

!When performing program change, forced output, RUN, STOP, etc., while the unit is running, be sure to verify

safety.

Damage to the equipment or accidents may occur due to operation error.

!Supply power according to the power-up order.

Damage to the equipment or accidents may occur due to malfunctions.

4. About preventive maintenance

DANGER

!Do not connect the , of the battery in reverse. Also, do not charge, disassemble, heat, place in fire, or

short circuit the battery.

There is a risk of explosion or fire.

PROHIBITED

!Do not disassemble or modify the unit.

These actions may result in fire, malfunction, or malfunction.

CAUTION

!Turn off the power supply before removing or attaching module/unit.

Electric shock, malfunction or failure may result.

!Warranty period and coverage

The product warranty period will be one year after the product has been delivered to the location designated in the

order. If a malfunction occurs within the warranty period even though the product has been used within the range

of correct conditions according to the product specifications given in this document, we will exchange or repair the

defective part free of charge.

However, the following conditions are not be covered by this warranty:

(1) Damage due to negligent handling or misuse by the user.

(2) When the cause of the malfunction is due to components other than those supplied.

(3) When the cause of the error is due to a modification or repair performed by an entity other than the supplier.

(4) When the cause of the error is due to weather or accidents that are out of the supplier's control.

Further, the warranty here refers to that of the product itself, and does not include any damage caused by the

malfunction of the product. The warranty is valid only in Japan.

!General repair

Investigations and repairs outside the warranty period (1 year) will be charged. Also, we will repair damages

caused by any reason not covered by the warranty and investigate the cause of malfunctions for a charge within the

warranty period. Please contact the place of purchase or one of our service stations. (Research may not be possible,

depending on the area of malfunction.)

!Ordering parts or asking questions

When contacting us for repair, ordering parts or inquiring about other items, please have the following details ready

before contacting the place of purchase or service station.

(1) Model

(2) Manufacturing number (MFG no.)

(3) Details of the malfunction

Warning

(1) This manual may not be reproduced in its entirety or any portion thereof without prior consent.

(2) The content of this document may be changed without notice.

(3) This document has been created with utmost care. However, if errors or questionable areas are found, please

MS-DOS, Windows, and Windows NTare registered trademarks of America and other registered countries

of Microsoft Corp. of the United States.

Netscape Navigatoris registered trademarks of America and other registered countries of Microsoft Corp. of

United States.

Preliminary Rev.03 Chapter 1 Introduction

1-1

The contents of this manual might be changed without notice.

Chapter 1 Introduction

We appreciate that you have selected the HITACHI Programmable Controller (This after called PLC) EH-

150 Series.

This application manual describes how to properly operate the EH-150 Ethernet Module.

Please read this manual carefully to familiarize yourself with the procedures respectively of installation ,

operation, and maintenance and check.

We have several documentation to refer in below.

Table 1.1 The list of documentation

Items Name of documentation Number of Manual

Main system of EH-150 EH-150 Application manual NJI-281B(X)

Programming Software LADDER EDITOR (for MS-DOS)

LADDER EDITOR for Windows® (Windows®95/NT) NJI-342A(X)

NJI-343(X)

Ethernet module Ethernet module (EH-ETH) Application manual NJI-361(X)

*The last character of the manual number may be modified when the product is revised.

Notes. The contents of this manual may be modified without previous notice.

1.1 Before to use

This module is manufactured carefully. When you receive this Ethernet Module, kindly to check the following

matters:

(1) If the model name is correct.

(2) If there is no shipping damage on product

(3) If following materials are in a carton box.

Table 1.2 List of Ethernet Module materials

No. Products Name Model number Outlook pcs Remarks

1 Ethernet module EH-ETH

1A1B1MPW

2A2B2MER

0123



RESET

CN1

EH‑CU

(CAUTION)

To use the specified CPU

module, when you use this

Ethernet module in your

system. Please refer the

description for this in Chapter

3 and (1).

NJI-321: Japanese

2Data Sheet

(Instruction Manual) NJI-321(X): English 1This documentation has the

description of installation

If you have find something inconvenience, please contact your distributor.

Cautions

- Please use EH-CPU448. In case of CPU is CPU104/208/308/306, this module can't operate well.

Preliminary Rev.03 Chapter 1 Introduction

1-2

The contents of this manual might be changed without notice.

1.2 Outline

1. EH-ETH (This after called this module) can be mounted onto the basic base of EH-150 system and is the

communication module can be connected EH-150 system to Ethernet based on IEEE802.3.

2. This module connected to Ethernet will operate as one of the station of the network system. For this operation this

module can exchange the data with personal computer or engineering workstation connected with network.

POWER

POWERPOWER

POWER

EH-150

EH-150EH-150

EH-150

Rx H.ERR

C.ERR POW

Server machine

EH-150 System

Personal computer(PC)

Ethernet

1.3 Feature

1. The data sending or receiving connection can be used 10 at once.

- 6 connections for automatic send/receive and 4 connections for H-series protocol (Taskcode communication) can

be used.

- Sending data and receiving data can be done with one connection.

- It is selectable TCP/IP or UDP/IP as the communication protocol for each connection.

- The maximum sending or receiving data size between PLC and PLC or PLC and host computer is 1,454 bytes.

2. Saving the developing power with using Web server function and Automatic sending/receiving function.

- The all configuration for communication can be done with using Web browser before to start communication.

The configured data for communication can be saved with text format file.

- It is possible to save the development power for communication program using Ladder diagram can be saved with

using the automatic sending /receiving function.

3. Using programming software called LADDER EDITOR for Windows® via Ethernet communication line.

- It is possible to monitor the I/O data or to handle the program of PLC with LADDER EDITOR for Windows®

via Ethernet communication line. You can save the time and cost for maintenance of user program or total

system.

Preliminary Rev.03 Chapter 1 Introduction

1-3

The contents of this manual might be changed without notice.

1.4 Notes to use

(1) The EH-CPU448 is required as the master CPU to control this module.

(2) It is possible to use 2 pcs of EH-ETH at once with one basic base unit.

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Slot No. 0 1 234

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EH-ETH mountable

EH-CPU448

(3) The power down operation must be required when mounting or removing this module and connecting or removing

the external wiring.

Preliminary Rev.03 Chapter 2 System structure

2-1

The contents of this manual might be changed without notice.

Chapter2 System structure

Fig. 2.1 shows an example of FA system consisting of combined EH-150 communication systems.

CPU LINK

Ethernet network

DeviceNet network

HITACH I RXD16 D

HITA CHI RXD1 6D

(1): EH-ETH

(2): EH-LNK

(3): EH-RMD

(4): EH-IOCD

(5): RDX16*

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

Fig2.1 An example of FA system configuration with EH-150 series.

Preliminary Rev.03 Chapter 3 Specifications

3-1

The contents of this manual might be changed without notice.

Chapter 3 Specifications

3.1 General Specifications

The general specification of this module is show in Table 3.1.

Table 3.1 General Specifications

Items Specifications

Dielectric withstand voltage 250 V DC between the communication signal and case ground (FE)

Internal current consumption 5 V 200 mA

Operating ambient temperature and humidity 0 to 55 °C, 20 to 90 % RH (no condensation)

Storage ambient temperature and humidity -10 to 75 °C, 10 to 90 % RH (no condensation)

Noise resistance {Noise voltage 1,500 Vpp Noise pulse width 100 ns, 1 µs

(Noise created by the noise simulator is applied across the power

supply module's input terminals. This is determined by this

company's measuring methods.)

{Static noise: 3,000 V at metal exposed area

Vibration resistance Conforms to JIS C 0911

(16.7 Hz double amplitude 3 mm X, Y and Z each direction)

Usage environment No corrosive gases, no excessive dust

Structure Open, wall-mounted type

Cooling Natural air cooling

I/O assignment method To use "COMM" for this module

3.2 Performance Specification

Performance Specification of this module is shown in Table 3.2.

Table 3.2 Performance Specification

Items Specification

Communication Standard for Ethernet Based on IEEE802.3

method Transmit modulation method Base band

Media Access method CSMA/CD

Transmit speed 10 Mbps

Maximum length between stations 4000 (m)

Maximum segment length 100 (m)

Maximum number of stations 1024 stations / All HUB

Cyclic / Event sending, Automatic receiving Maximum connection is 6 at once.

Maximum data is 1454 bytes / each sending or receiving

H-protocol (Taskcode communication) Maximum connection is 4 at once.

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