Siemens Simatic S7-1500 User manual

CM PtP RS422/485 BA communication

module (6ES7540 

‑1AB00‑0AA0)

_________________

__________________

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SIMATIC

S7-1500/ET 200MP

CM PtP RS422/485 BA

communication module

(6ES7540‑1AB00‑0AA0)

Manual

01/2013

A5E03777484-01

Preface

Documentation guide

Product overview

Connecting

Parameters/address space

Programming

Error and system messages

Technical specifications

Dimensional drawing

Siemens AG

Industry Sector

Postfach 48 48

90026 NÜRNBERG

GERMANY

A5E03777484-01

Ⓟ 12/2012 Technical data subject to change

Legal information

Warning notice system

This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent

damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert

symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are

graded according to the degree of danger.

DANGER

indicates that death or severe personal injury will result if proper precautions are not taken.

WARNING

indicates that death or severe personal injury may result if proper precautions are not taken.

CAUTION

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

NOTICE

indicates that property damage can result if proper precautions are not taken.

If more than one degree of danger is present, the warning notice representing the highest degree of danger will

be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to

property damage.

Qualified Personnel

The product/system described in this documentation may be operated only by personnel qualified for the specific

task in accordance with the relevant documentation, in particular its warning notices and safety instructions.

Qualified personnel are those who, based on their training and experience, are capable of identifying risks and

avoiding potential hazards when working with these products/systems.

Proper use of Siemens products

Note the following:

WARNING

Siemens products may only be used for the applications described in the catalog and in the relevant technical

documentation. If products and components from other manufacturers are used, these must be recommended

or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and

maintenance are required to ensure that the products operate safely and without any problems. The permissible

ambient conditions must be complied with. The information in the relevant documentation must be observed.

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may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the hardware and software

described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the

information in this publication is reviewed regularly and any necessary corrections are included in subsequent

editions.

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

Manual, 01/2013, A5E03777484-01 3

Preface

Purpose of the documentation

This device manual complements the system manual S7 1500 Automation System

(http://support.automation.siemens.com/WW/view/en/59191792). General functions of the

S7-1500 are described in the S7-1500 Automation System System Manual.

Conventions

This documentation contains figures of the described device. The figures may differ slightly

from the devices supplied.

Please also observe notes marked as follows:

Note

A note contain important information on the product described in the documentation, on the

handling of the product and on the section of the documentation to which particular attention

should be paid.

Note on IT security

Siemens offers IT security mechanisms for its automation and drive product portfolio in order

to support the safe operation of the plant/machine. We recommend that you inform yourself

regularly on the IT security developments regarding your products. You can find information

on this on the Internet (http://support.automation.siemens.com).

You can register for a product-specific newsletter here.

For the safe operation of a plant/machine, however, it is also necessary to integrate the

automation components into an overall IT security concept for the entire plant/machine,

which corresponds to the state-of-the-art IT technology. You can find information on this on

the Internet (http://www.siemens.com/industrialsecurity).

Products used from other manufacturers should also be taken into account here.

Preface

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

4 Manual, 01/2013, A5E03777484-01

Open-source software is used in the firmware of the product described. The open-source

software is provided free of charge. We are liable for the product described, including the

open-source software contained in it, pursuant to the conditions applicable to the product.

Siemens accepts no liability for the use of the open source software over and above the

intended program sequence, or for any faults caused by modifications to the software.

For legal reasons, we are obliged to publish the original text of the following copyright

notices.

Permission to use, copy, modify, distribute and sell this software and its documentation for

any purpose is hereby granted without fee, provided that the above copyright notice appear

in all copies and that both that copyright notice and this permission notice appear in

supporting documentation. William E. Kempf makes no representations about the suitability

of this software for any purpose. It is provided "as is" without express or implied warranty.

Permission to use, copy, modify, distribute and sell this software and its documentation for

any purpose is hereby granted without fee, provided that the above copyright notice appear

in all copies and that both that copyright notice and this permission notice appear in

supporting documentation. Hewlett-Packard Company makes no representations about the

suitability of this software for any purpose. It is provided ``as is'' without express or implied

warranty.

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

Manual, 01/2013, A5E03777484-01 5

Table of contents

Preface ...................................................................................................................................................... 3

1 Documentation guide................................................................................................................................. 7

2 Product overview ....................................................................................................................................... 9

2.1 Properties.......................................................................................................................................9

2.2 Accessories..................................................................................................................................11

2.3 Functions......................................................................................................................................12

2.4 Properties of the RS422/485 interface.........................................................................................14

3 Connecting .............................................................................................................................................. 15

3.1 RS422/485 (X27) interface of the communication module..........................................................15

3.2 Installation guidelines...................................................................................................................16

4 Parameters/address space...................................................................................................................... 17

4.1 Parameter assignment.................................................................................................................17

4.2 Reaction to CPU STOP ...............................................................................................................17

4.3 Address space .............................................................................................................................18

5 Programming ........................................................................................................................................... 19

6 Error and system messages .................................................................................................................... 21

7 Technical specifications........................................................................................................................... 23

A Dimensional drawing ............................................................................................................................... 27

Table of contents

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

6 Manual, 01/2013, A5E03777484-01

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

Manual, 01/2013, A5E03777484-01 7

Documentation guide 1

Introduction

This modular documentation of the SIMATIC products covers diverse topics concerning your

automation system.

The complete documentation for the S7-1500 and ET 200MP automation systems consists

of system manuals, function manuals and manuals.

The STEP 7 information system (Online Help) also helps you configure and program your

automation system.

Overview of the documentation provided for the CM PtP RS422/485 BA communication module

The following table lists additional references that you will need when using the

CM PtP RS422/485 BA communication module.

Table 1- 1 Documentation for the CM PtP RS422/485 BA communication module

Topic Documentation Key content

System manual S7 -1500 Automation System

(http://support.automation.siemens.com/WW/vi

ew/en/59191792)

System manual ET 200MP distributed I/O

system

(http://support.automation.siemens.com/WW/vi

ew/en/59193214)

System manual ET 200SP distributed I/O

system

(http://support.automation.siemens.com/WW/vi

ew/en/58649293)

•Application planning

•Installation

•Connecting

•Addressing

•Commissioning

•Maintenance

Power supply manuals

(http://support.automation.siemens.com/WW/vi

ew/en/59173914)

CPU manuals

(http://support.automation.siemens.com/WW/vi

ew/en/56926947)

•Connecting

•Interrupt, error and

system messages

•Technical specifications

•Dimensional drawing

System description

Function manual EMC/EMI compatible

installation of control systems

(http://support.automation.siemens.com/WW/vi

ew/en/59193566)

•Basics

•Electromagnetic

compatibility

•Lightning protection

Documentation guide

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

8 Manual, 01/2013, A5E03777484-01

Topic Documentation Key content

Point-to-point

communication

Function manual CM PtP - Configurations for

point-to-point connections

(http://support.automation.siemens.com/WW/vi

ew/en/59057093)

•Basic information

•Data transmission

functions

•Diagnostics functions

SIMATIC manuals

All current manuals for the SIMATIC products are available for download free of charge on

the Internet (http://www.siemens.com/automation/service&support).

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

Manual, 01/2013, A5E03777484-01 9

Product overview 2

2.1 Properties

Order number

6ES7540-1AB00-0AA0

View of the module

Figure 2-1 CM PtP RS422/485 BA view

Product overview

2.1 Properties

CM PtP RS422/485 BA communication module (6ES7540‑1AB00‑0AA0)

10 Manual, 01/2013, A5E03777484-01

Properties

The communication module has the following properties:

● Technical properties

– RS422/485 interface

– short-circuit proof

– electrically disconnected

– Protocols: 3964(R), Freeport and USS with instructions

● Supported system functions

– Firmware update

– Identification data I&M0

– Parameter re-assignment in CPU RUN mode (using instructions)

– Diagnostic interrupts

Additional information

Additional information on the properties of the CM PtP RS422/485 BA can be found in the

function manual CM PtP - Configurations for point-to-point connections

(http://support.automation.siemens.com/WW/view/en/59057093).

Additional information on the properties of the S7-1500 and associated modules can be

found in the system manual S7 -1500 Automation System

(http://support.automation.siemens.com/WW/view/en/59191792).

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