Siemens Simatic series Manuale utente

___________________

SIMATIC

S7-1500/ET 200MP

DI 16x24VDC HF

Digital Input Module

(6ES7521-1BH00-0AB0)

Manual

08/2018

A5E03485952

-AG

Preface

Documentation guide

Product overview

Wiring

Parameters/address space

Interrupts/diagnostics alarms

Technical specifications

Dimensional drawing

Parameter data records

Siemens AG

Division Digital Factory

Postfach 48 48

90026 NÜRNBERG

GERMANY

A5E03485952-AG

Ⓟ

07/2018 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.

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

editions.

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

Manual, 08/2018, A5E03485952-AG 3

Preface

Purpose of the documentation

This manual supplements the S7-1500/ET 200MP

(https://support.industry.siemens.com/cs/ww/en/view/59191792) system manual.

Functions that relate in general to the systems are described in this system manual.

The information provided in this manual and in the system/function manuals supports you in

commissioning the systems.

Changes compared to previous version

Compared to the previous version, this manual contains the following changes:

●Clock synchronization possible in counting mode. In the technical specifications the

counting frequency increased from 1 kHz to 3 kHz.

●New licensing conditions and copyright information of the Open Source Software

●New technical specifications

Conventions

CPU: The term "CPU" is used in this manual both for the CPUs of the S7-1500 automation

system and for interface modules of the ET 200MP distributed I/O system.

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

configuration and programming software "STEP 7 (TIA Portal)".

DI mode: DI 16x24VDC HF as digital input module with 16 digital inputs (channels 0 to 15).

Counting mode: DI 16x24VDC HF as digital input module with 2 counters (channels 0 and 1)

and 14 digital inputs (channels 2 to 15).

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 attention

should be paid.

Preface

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

4Manual, 08/2018, A5E03485952-AG

Security information

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

Open Source Software

Open-source software is used in the firmware of the I/O modules. 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 license conditions and

(https://support.industry.siemens.com/cs/ww/en/view/109757558).

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

Manual, 08/2018, A5E03485952-AG 5

Table of contents

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

1 Documentation guide .............................................................................................................................. 6

2 Product overview .................................................................................................................................. 10

2.1 Properties................................................................................................................................10

2.2 Functions ................................................................................................................................13

2.2.1 Count.......................................................................................................................................13

3 Wiring ................................................................................................................................................... 14

4 Parameters/address space ................................................................................................................... 16

4.1 Parameter ...............................................................................................................................16

4.1.1 Parameters .............................................................................................................................16

4.1.2 Parameters DI mode...............................................................................................................17

4.1.3 Explanation of the parameters of the DI mode .......................................................................18

4.1.4 Parameters of the Counting mode..........................................................................................19

4.1.5 Explanation of the parameters of the Counting mode ............................................................20

4.2 Address space ........................................................................................................................22

4.2.1 Address space DI mode..........................................................................................................23

4.2.2 Address space Counting mode...............................................................................................25

4.2.3 Examples of counting..............................................................................................................30

5 Interrupts/diagnostics alarms................................................................................................................. 34

5.1 Status and error displays ........................................................................................................34

5.2 Interrupts.................................................................................................................................36

5.3 Diagnostics alarms..................................................................................................................38

6 Technical specifications ........................................................................................................................ 39

A Dimensional drawing............................................................................................................................. 43

B Parameter data records......................................................................................................................... 45

B.1 Parameter assignment and structure of the parameter data records.....................................45

B.2 Structure of the parameter data records DI mode ..................................................................47

B.3 Structure of the parameter data records Counting mode .......................................................49

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

6Manual, 08/2018, A5E03485952-AG

Documentation guide

The documentation for the SIMATIC S7-1500 automation system and the SIMATIC

ET 200MP distributed I/O system is arranged into three areas.

This arrangement enables you to access the specific content you require.

Basic information

The System Manual and Getting Started describe in detail the configuration, installation,

wiring and commissioning of the SIMATIC S7-1500 and ET 200MP systems. The STEP 7

online help supports you in the configuration and programming.

Device information

Product manuals contain a compact description of the module-specific information, such as

properties, wiring diagrams, characteristics and technical specifications.

General information

The function manuals contain detailed descriptions on general topics regarding the SIMATIC

S7-1500 and ET 200MP systems, e.g. diagnostics, communication, motion control, Web

server, OPC UA.

You can download the documentation free of charge from the Internet

(https://support.industry.siemens.com/cs/ww/en/view/109742691).

Changes and supplements to the manuals are documented in a Product Information.

You can download the product information free of charge from the Internet

(https://support.industry.siemens.com/cs/us/en/view/68052815).

Documentation guide

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

Manual, 08/2018, A5E03485952-AG 7

Manual Collection S7-1500/ET 200MP

The Manual Collection contains the complete documentation on the SIMATIC S7-1500

automation system and the ET 200MP distributed I/O system gathered together in one file.

You can find the Manual Collection on the Internet

(https://support.industry.siemens.com/cs/ww/en/view/86140384).

SIMATIC S7-1500 comparison list for programming languages

The comparison list contains an overview of which instructions and functions you can use for

which controller families.

You can find the comparison list on the Internet

(https://support.industry.siemens.com/cs/ww/en/view/86630375).

"mySupport"

With "mySupport", your personal workspace, you make the best out of your Industry Online

Support.

In "mySupport", you can save filters, favorites and tags, request CAx data and compile your

personal library in the Documentation area. In addition, your data is already filled out in

support requests and you can get an overview of your current requests at any time.

You must register once to use the full functionality of "mySupport".

You can find "mySupport" on the Internet (https://support.industry.siemens.com/My/ww/en).

"mySupport" - Documentation

In the Documentation area in "mySupport" you can combine entire manuals or only parts of

these to your own manual.

You can export the manual as PDF file or in a format that can be edited later.

You can find "mySupport" - Documentation on the Internet

(http://support.industry.siemens.com/My/ww/en/documentation).

"mySupport" - CAx data

In the CAx data area in "mySupport", you can access the current product data for your CAx

or CAe system.

You configure your own download package with a few clicks.

In doing so you can select:

●Product images, 2D dimension drawings, 3D models, internal circuit diagrams, EPLAN

macro files

●Manuals, characteristics, operating manuals, certificates

●Product master data

You can find "mySupport" - CAx data on the Internet

(http://support.industry.siemens.com/my/ww/en/CAxOnline).

Documentation guide

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

8Manual, 08/2018, A5E03485952-AG

Application examples

The application examples support you with various tools and examples for solving your

automation tasks. Solutions are shown in interplay with multiple components in the system -

separated from the focus on individual products.

You will find the application examples on the Internet

(https://support.industry.siemens.com/sc/ww/en/sc/2054).

TIA Selection Tool

With the TIA Selection Tool, you can select, configure and order devices for Totally

Integrated Automation (TIA).

This tool is the successor of the SIMATIC Selection Tool and combines the known

configurators for automation technology into one tool.

With the TIA Selection Tool, you can generate a complete order list from your product

selection or product configuration.

You can find the TIA Selection Tool on the Internet

(http://w3.siemens.com/mcms/topics/en/simatic/tia-selection-tool).

SIMATIC Automation Tool

You can use the SIMATIC Automation Tool to perform commissioning and maintenance

activities simultaneously on various SIMATIC S7 stations as a bulk operation independent of

the TIA Portal.

General function overview:

●Network browsing and creation of a table showing the accessible devices in the network.

●Flashing of device LEDs or HMI display to locate a device

●Downloading of addresses (IP, subnet, gateway) to a device

●Downloading the PROFINET name (station name) to a device

●Placing a CPU in RUN or STOP mode

●Setting the time in a CPU to the current time of your PG/PC

●Downloading a new program to a CPU or an HMI device

●Downloading from CPU, downloading to CPU or deleting recipe data from a CPU

●Downloading from CPU or deleting data log data from a CPU

●Backup/restore of data from/to a backup file for CPUs and HMI devices

●Downloading service data from a CPU

●Reading the diagnostics buffer of a CPU

●Performing a CPU memory reset

●Resetting devices to factory settings

●Downloading a firmware update to a device

You can find the SIMATIC Automation Tool on the Internet

(https://support.industry.siemens.com/cs/ww/en/view/98161300).

Documentation guide

DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)

Manual, 08/2018, A5E03485952-AG 9

PRONETA

With SIEMENS PRONETA (PROFINET network analysis), you analyze the PROFINET

network during commissioning. PRONETA features two core functions:

●The topology overview independently scans PROFINET network and all connected

components.

●The IO check is a fast test of the wiring and the module configuration of a system.

You can find SIEMENS PRONETA on the Internet

(https://support.industry.siemens.com/cs/ww/en/view/67460624).

SINETPLAN

SINETPLAN, the Siemens Network Planner, supports you in planning automation systems

and networks based on PROFINET. The tool facilitates professional and predictive

dimensioning of your PROFINET installation as early as in the planning stage. In addition,

SINETPLAN supports you during network optimization and helps you to exploit network

resources optimally and to plan reserves. This helps to prevent problems in commissioning

or failures during productive operation even in advance of a planned operation. This

increases the availability of the production plant and helps improve operational safety.

The advantages at a glance

●Network optimization thanks to port-specific calculation of the network load

●Increased production availability thanks to online scan and verification of existing systems

●Transparency before commissioning through importing and simulation of existing STEP 7

projects

●Efficiency through securing existing investments in the long term and optimal exploitation

of resources

You can find SINETPLAN on the Internet (https://www.siemens.com/sinetplan).

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