Siemens SIMATIC IO-Link system Stücklistenhandbuch

Guide 1

System overview 2

Integration into the

automation system 3

SIMATIC

IO-Link system

Function Manual

07/2022

A5E31637677-AC

Siemens AG

Digital Industries

Postfach 48 48

90026 NÜRNBERG

GERMANY

A5E31637677-AC

Ⓟ 07/2022 Subject to change

Legal information

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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. Qual

ified 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 doc

umentation. 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 mainten

ance 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.

Trademarks

All names identified by ® are registered trademarks of SiemensAG. The remaining trademarks in this publication

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 edi

tions.

IO-Link system

Function Manual, 07/2022, A5E31637677-AC 3

Preface

Purpose of the documentation

This function manual provides a general overview of the IO-Link communication system.

It shows the interaction of the various components of an IO-Link system and will help you

improve your general understanding of IO-Link.

Basic knowledge required

The following knowledge is required in order to understand the documentation:

•General knowledge of automation technology

•Knowledge of the industrial automation system SIMATIC

•Proficiency with STEP7

Scope of the documentation

This documentation is the basic documentation for IO-Link systems at Siemens. The product

documentation is based on this documentation.

Conventions

In this documentation, "STEP 7" is used as a synonym for all versions of the configuration and

programming software "STEP7 (TIA Portal)".

Please also observe notes marked as follows:

NOTE

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

the handling of the product or on the section of the documentation to which particular atten

tion should be paid.

Additional support

•Information about Technical Support is available in section Siemens Industry Online

Support (Page 4).

•The range of technical documentation for the individual SIMATIC products and systems

can be found on the Internet.

•Information about the online catalog and online order system is available in section

Industry Mall (Page 4).

IO-Link system

Function Manual, 07/2022, A5E31637677-AC

Siemens provides products and solutions with industrial security functions that support the

secure operation of plants, systems, machines and networks.

In order to protect plants, systems, machines and networks against cyber threats, it is

necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial

security concept. Siemens’ products and solutions constitute one element of such a concept.

Customers are responsible for preventing unauthorized access to their plants, systems,

machines and networks. Such systems, machines and components should only be connected

to an enterprise network or the internet if and to the extent such a connection is necessary

and only when appropriate security measures (e.g. firewalls and/or network segmentation)

are in place.

For additional information on industrial security measures that may be implemented, please

visit (https://www.siemens.com/industrialsecurity).

Siemens' products and solutions undergo continuous development to make them more

secure. Siemens strongly recommends that product updates are applied as soon as they are

available and that the latest product versions are used. Use of product versions that are no

longer supported, and failure to apply the latest updates may increase customers' exposure to

cyber threats.

To stay informed about product updates, subscribe to the Siemens Industrial Security RSS

Feed visit (https://www.siemens.com/cert).

Siemens Industry Online Support

You can find current information on the following topics quickly and easily here:

•Product support

All the information and extensive know-how on your product, technical specifications,

FAQs, certificates, downloads, and manuals.

•Application examples

Tools and examples to solve your automation tasks – as well as function blocks,

performance information and videos.

•Services

Information about Industry Services, Field Services, Technical Support, spare parts and

training offers.

•Forums

For answers and solutions concerning automation technology.

•mySupport

Your personal working area in Industry Online Support for messages, support queries, and

configurable documents.

This information is provided by the Siemens Industry Online Support in the Internet

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

Industry Mall

The Industry Mall is the catalog and order system of Siemens AG for automation and drive

solutions on the basis of Totally Integrated Automation (TIA) and Totally Integrated Power

(TIP).

Preface

You can find catalogs for all automation and drive products on the Internet

(https://mall.industry.siemens.com).

IO-Link system

Function Manual, 07/2022, A5E31637677-AC 5

Preface

1 Guide.................................................................................................................................................. 7

1.1 Guide............................................................................................................................... 7

2 System overview................................................................................................................................ 8

2.1 Advantages of IO-Link....................................................................................................... 8

2.2 Overview of IO-Link system............................................................................................... 9

2.3 IO-Link interface............................................................................................................... 10

2.4 IO-Link protocol................................................................................................................ 13

2.5 Device profiles.................................................................................................................. 15

2.6 IODD and Port Configuration Tool - S7-PCT........................................................................ 15

2.7 Differences between IO-Link specifications V1.0 and V1.1................................................. 17

3 Integration into the automation system............................................................................................ 18

3.1 Configuration of the IO-Link system.................................................................................. 18

3.1.1 Configuration with S7-PCT................................................................................................ 20

3.1.2 Configuration without S7-PCT........................................................................................... 22

3.1.3 Overview of configuration options.................................................................................... 24

3.2 Data access of the automation system and the HMI device................................................ 26

3.3 Changing and saving device parameters during plant operation........................................ 27

3.4 Replacing a master or device during operation.................................................................. 28

IO-Link system

Function Manual, 07/2022, A5E31637677-AC

Table of contents

Guide 1

1.1 Guide

Documentation

Various IO-Link products are available from Siemens. Each of these products has a separate

documentation. The IO-Link products are embedded in systems, e.g. ET200SP. The

documentation for the system consists of the respective system manual, function manuals

and manuals. In addition, the STEP7 online help and the Port Configuration Tool - S7-PCT

online help assist you in configuring and programming your automation system with IO-Link.

IO-Link components from Siemens

Siemens offers a wide range of products and support for IO-Link:

•Master

•Device, I/O modules

•Device, industrial switchgear

•Device, RFID systems (RFID = radio-frequency identification)

•Port Configuration Tool - S7-PCT

(https://support.industry.siemens.com/cs/ww/en/view/32469496)

•IO-Link library (https://support.industry.siemens.com/cs/ww/en/view/82981502) with the

blocks "LIOLink_MasterIO_LINK_MASTER" and "LIOLink_Device"

•Overview of the topic IO-Link (http://www.siemens.com/io-link)

Additional information on the products can be found on the Internet

(https://support.industry.siemens.com/cs/ww/en/view/109737170).

Additional documentation for IO-Link

You can find a free download of the latest documentation on the IO-Link products on the

Internet (https://support.industry.siemens.com/cs/CN/en/ps/15818/man).

IO-Link system

Function Manual, 07/2022, A5E31637677-AC

IO-Link system

Function Manual, 07/2022, A5E31637677-AC

System overview 2

Introduction

A continuous communication down to the lowest field level ensures enhanced use of the

functions and performance capability of sensors and actuators. Enhanced use of sensors and

actuators allows you to operate your machines and plants more productively.

No data other than the actual process value can be exchanged via the standard interfaces

(digital, analog) used at the sensor/actuator level. Sensors and actuators with integrated

intelligence are now used for increasingly complex functions and require a communication

interface tailored to these requirements.

Definition

IO-Link is an innovative, point-to-point communication interface for the sensor/actuator area

that is specified in IEC 61131-9.

IO-Link consists of the following system components:

•IO-Link master

•IO-Link device

•Unshielded 3-wire or 5-wire standard cable

•Engineering tool for configuring and assigning parameters of IO-Link

2.1 Advantages of IO-Link

The IO-Link system offers significant advantages as digital interface when connecting

sensors/actuators:

•Open standard in accordance with IEC 61131-9

–Devices can be integrated in the same way in all conventional fieldbus systems and

automation systems

•Tool supported parameter setting and central data management

–Fast configuration and commissioning

–Simple creation of current plant documentation even for sensors/actuators

•Single, uniform wiring and far fewer different interfaces at the sensors/actors

–Standardized, uniform interface for sensors and actuators independent of their

complexity (switching, measuring, multi-channel, binary, mixed signals, etc.)

–Reduction in the variety of types and inventory

–Fast commissioning

–Any combination of IO-Link devices and sensors/actuators without IO-Link at IO-Link

master

•Continuous communication between sensors/actuators and the CPU

–Access to all process data, diagnostic data and device information

–Access to device-specific data, such as energy data

–Remote diagnostics can be performed

•Continuous diagnostic information down to sensor/actuator level

–Reduction in troubleshooting effort

–Minimizing risk of failure

–Preventive maintenance and optimization of service and maintenance planning

•Dynamic change of sensor/actuators parameters by the controller or the operator at the

HMI

–Reduction in downtimes during product change

–Increased variability of the machine

•Automatic reassignment of parameters when devices are replaced during operation

–Minimization of downtimes

–Device replacement by untrained personnel without additional aids

–Avoidance of incorrect settings

•Integrated device identification

–Identification of the installed devices

–Ensure quality of result in production and manufacturing when replacing the device

2.2 Overview of IO-Link system

Components

An IO-Link system consists of the following components:

•IO-Link master

•IO-Link device, for example:

–Sensors/actuators

–RFID readers

–I/O modules

–Valves

•Unshielded 3-wire or 5-wire standard cables

•Engineering tool for configuring and assigning parameters of IO-Link

System overview

2.2 Overview of IO-Link system

IO-Link system

Function Manual, 07/2022, A5E31637677-AC

Example plant with IO-Link

The figure below shows an example of plant architecture with IO-Link.

7JTVBMJ[BUJPO4*."5*$).*8JO$$'JFMEJOTUBMMBUJPO4*."5*$&5FDP1/.-XJUI*0-JOLNBTUFS&5"-*0-JOL*0NPEVMF4UBOEBSETFOTPST3'*%TZTUFN3'3'*%TZTUFN3'4*3*64SFMBZ34344*3*64PWFSMPBESFMBZ3#4*3*64DPOUBDUPS35XJUI4*3*64SFMBZ334*3*64MPBEGFFEFST3"XJUIGVODUJPONPEVMFT3"4*3*64DPNQBDUTUBSUFST3"4*3*64SFMBZ6(*0-JOL&541XJUI*0-JOLNBTUFS44BVUPNBUJPOTZTUFN*OTUBMMBUJPOJODPOUSPMDBCJOFU41$5"DUVBUPST130'*/&5

Figure 2-1Plant architecture with IO-Link

The IO-Link master establishes the connection between the IO-Link devices and the

automation system. If the IO-Link master is a component of the I/O system, it is installed

either in the control cabinet or directly in the field as remote I/O in degree of protection

IP65/67. The IO-Link master communicates by means of various fieldbuses or product-specific

backplane buses. An IO-Link master can have multiple IO-Link ports (channels). An IO-Link

device can be connected (point-to-point communication) to each port.

Engineering

The IO-Link system is engineered parallel to the overall automation system and can be

embedded in it and intermeshed with it.

2.3 IO-Link interface

Introduction

The IO-Link is a serial, bidirectional point-to-point connection for signal transmission and

power distribution under any network, fieldbus or backplane bus.

10 IO-Link system

Function Manual, 07/2022, A5E31637677-AC

System overview

2.3 IO-Link interface

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