EXPB2_E.PDF

Preface, Contents

Mechanical Configuration of an

Automation System with SIMATIC

S7 Ex Modules

SIMATIC

SIMATIC S7 Ex Digital Modules

SIMATIC S7 Ex Analog Modules

S7-300, M7-300, ET 200M

Automation Systems

I/O Modules with

Intrinsically-Safe Signals

SIMATIC S7 HART Analog

Modules

Certificates of Conformity

Safety Standards, FM Approval

Reference Manual

Bibliography

This manual is part of the

documentation package

with the order number :

Glossary, Index

6ES7398-8RA00-8BA0

05/99

C79000-G7076-C152

Edition 4

Safety Guidelines

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protect the product and connected equipment. These notices are highlighted in the manual by a warning

triangle and are marked as follows according to the level of danger:

Danger

indicates that death, severe personal injury or substantial property damage will result if proper precautions are

not taken.

Warning

indicates that death, severe personal injury or substantial property damage can result if proper precautions are

not taken.

Caution

indicates that minor personal injury or property damage can result if proper precautions are not taken.

Note

draws your attention to particularly important information on the product, handling the product, or to a particular

part of the documentation.

Qualified Personnel

The device/system may only be set up and operated in conjunction with this manual.

Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are

defined as persons who are authorized to commission, to ground, and to tag circuits, equipment, and sys-

tems in accordance with established safety practices and standards.

Correct Usage

Note the following:

Warning

This device and its components may only be used for the applications described in the catalog or the technical

description, and only in connection with devices or components from other manufacturers which have been

approved or recommended by Siemens.

This product can only function correctly and safely if it is transported, stored, set up, and installed correctly, and

operated and maintained as recommended.

Trademarks

SIMATIC SIMATIC NET and SIMATIC HMI are registered trademarks of SIEMENS AG.

Third parties using for their own purposes any other names in this document which refer to

trademarks might infringe upon the rights of the trademark owners.

The reproduction, transmission or use of this document or its contents is

not permitted without express written authority. Offenders will be liable for

damages. All rights, including rights created by patent grant or registration

of a utility model or design, are reserved.

Disclaimer of Liability

We have checked the contents of this manual for agreement with the

hardware and software described. Since deviations cannot be precluded

entirely, we cannot guarantee full agreement. However, the data in this

manual are reviewed regularly and any necessary corrections included in

subsequent editions. Suggestions for improvement are welcomed.

Siemens AG

Bereich Automatisierungs- und Antriebstechnik

Geschaeftsgebiet Industrie-Automatisierungssysteme

Postfach 4848, D-90327 Nuernberg

Siemens AG 1997

Subject to change without prior notice.

Siemens Aktiengesellschaft

C79000-G7076-C152

I/O Modules with Intrinsically-Safe Signals

Preface

Purpose of the

manual

The information contained in this reference manual will help you

To plan,

To install, and

To commission

a SIMATIC S7 explosion-proof module for an automation system in a

hazardous area.

Contents of the

manual

The reference manual “ S7-300, M7-300, ET 200M Automation Systems

I/O Modules with Intrinsically-Safe Signals” provides you with technical

descriptions of the individual modules.

The reference manual is sub-divided into the following topics:

Mechanical structure of an automation system

with SIMATIC S7 explosion-proof modules

Sect. 1

SIMATIC S7 Ex Digital Modules

Sect. 2

SIMATIC S7 Ex Analog Modules

Sect. 3

SIMATIC S7 HART Analog Modules

Sect. 4

I/O Modules with Intrinsically-Safe Signals

C79000-G7076-C152-04

iii

Preface

Not in this manual

Basic information on explosion protection and the use of intrinsically-safe

modules can be found in the manual “ S7-300, M7-300, ET 200M Automation

Systems Principles of Intrinsically-Safe Design ”, which is supplied in the

same documentation package.

This manual is sub-divided into the following topics:

Introduction to explosion protection

Legal principles of explosion protection

Primary explosion protection

Secondary explosion protection

Marking of explosion-protected electrical

apparatus

The intrinsic safety “i” type of protection

Installation, operation and maintenance of electrical

systems in hazardous areas

Validity of the

manual

This reference manual is valid for all the SIMATIC S7 explosion-proof

modules listed by order number in the following table.

Table 1-1

S7-300 I/O modules

SIMATIC S7 I/O module

Purchase Order Number

SM 321; DI 4 x NAMUR

6ES7 321-7RD00-0AB0

SM 322; DO 4 x 24V/10mA

6ES7 322-5SD00-0AB0

SM 322; DO 4 x 15V/20mA

6ES7 322-5RD00-0AB0

SM 331; AI 8 x 4 x TC/ 4 x RTD

6ES7 331-7SF00-0AB0

SM 331; AI 4 x 0/4...20mA

6ES7 331-7RD00-0AB0

SM 332; AO 4 x 4...20mA

6ES7 332-5RD00-0AB0

SM 331; AI 2 x 0/4...20mA HART

6ES7 331-7TB00-0AB0

SM 332; AO 2 x 0/4...20mA HART 6ES7 332-5TB00-0AB0

Note

It is essential that you note the following information on the use and

configuration of the S7-300 I/O modules listed in Table 1-1.

I/O Modules with Intrinsically-Safe Signals

C79000-G7076-C152-04

Preface

Usage and

configuration

With the exception of the SM 331; AI 2 x 0/4...20mA HART module, you

can use the I/O modules listed in Table 1-1:

In the S7-300 (centralized configuration) with CPU 312 IFM, level 5

onwards, CPU 313, level 3 onwards, CPU 314, level 6 onwards, CPU 314

IFM, level 1 onwards, CPU 315 and CPU 315-2 DP, level 3 onwards,

CPU 614, level 6 onwards.

In the ET 200M (distributed configuration) with the IM 153-1 from the

order number 6ES7 153-1AA02-0XB0 onwards, and with the following

DP masters: IM 308 C, V3.0 onwards, and CPUs S7-41x, level 2 onwards.

You can configure the I/O modules with

STEP 7, version 3.0 onwards or COM PROFIBUS, version 3.0 onwards

Usage and

configuration of

HART module

You can use the I/O module HART analog input SM 331; AI 2 x 0/4...20mA

HART

in the ET 200M with the IM 153-2, order number

6ES7 153-1AA02-0XB0, and with the following DP masters: IM 308 C,

V3.0 onwards, and CPUs S7-41x, level 2 onwards.

You can configure the HART analog module with

STEP 7, version 4.02 onwards or COM PROFIBUS, version 3.2 onwards.

Further manuals

required:

You require the following documentation in order to understand the present

manual:

S7-300 : Hardware and Installation /70/ , Module Specifications /71/

and Instruction List /72/

M7-300 : Hardware and Installation /80/ , Module Specifications /71/

ET 200M : Distributed I/O Device /140/

I/O Modules S7-300, M7-300, ET 200M : Reference Manual /150/

Accessing

information in the

manual

The manual contains the following orientation aids in order to help you

access special infomation:

At the beginning of the manual there is a complete overall table of

contents as well as a list of the figures and tables contained in the

complete manual.

The individual chapters have a column in the left-hand margin which

summarizes the contents of the respective section.

After the Appendices there is a glossary in which important technical

terms used in the manual are defined.

At the end of the manual there is a detailed index which enables you to

find the desired information quickly.

I/O Modules with Intrinsically-Safe Signals

C79000-G7076-C152-04

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