OMRON NX-SL5, NX-SI, NX-SO, NX-CSG User Manual

Safety Network Controller

NX-series

Safety Control Unit/ Communication Control Unit

User's Manual

NX-SL5£££ NX-SI££££ NX-SO££££ NX-CSG£££

Safety Control Unit

Communication Control Unit

Z395-E1-09

NOTE

transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of OMRON.

• No patent liability is assumed with respect to the use of the information contained herein.

Moreover tion contained in this manual is subject to change without notice.

, because OMRON is constantly striving to improve its high-quality products, the informa-

• Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON as-

sumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this publication.

Trademarks

• Sysmac and SYSMAC are trademarks or registered trademarks of OMRON Corporation in Japan

and other countries for OMRON factory automation products.

• Microsoft, Windows, Excel, and V

crosoft Corporation in the United States and other countries.

• EtherCAT

GmbH, Germany.

• Safety over EtherCAT

Automation GmbH, Germany.

is registered trademark and patented technology, licensed by Beckhoff Automation

is a registered trademark and a patented technology licensed by Beckhoff

isual Basic are either registered trademarks or trademarks of Mi-

• ODVA, CIP, CompoNet, DeviceNet, EtherNet/IP, and CIP Safety are trademarks of ODVA.

• The SD and SDHC logos are trademarks of SD-3C, LLC.

Other company names and product names in this document are the trademarks or registered trademarks of their respective companies.

Copyrights

• Microsoft product screen shots reprinted with permission from Microsoft Corporation.

• This product incorporates certain third party software. The license and copyright information associ-

ated with this software is available at

http://www.fa.omron.co.jp/nj_info_e/.

Introduction

Thank you for purchasing an NX-series Safety Control Unit / Communication Control Unit. This manual contains information that is necessary to use the NX-series Safety Control Unit / Communication Control Unit. Please read this manual and make sure you understand the functionality and performance of the Unit before you attempt to use it in a control system. Keep this manual in a safe place where it will be available for reference during operation.

Intended Audience

This manual is intended for the following personnel, who must also have knowledge of electrical systems (an electrical engineer or the equivalent).

• Personnel in charge of introducing FA systems.

• Personnel in charge of designing FA systems.

• Personnel in charge of installing and maintaining FA systems.

• Personnel in charge of managing FA systems and facilities.

• Personnel with the qualifications, authority, and responsibility for providing safety at each phase of the lifecycle of the machine: design, installation, operation, maintenance, and disposal.

• Personnel with a knowledge of functional safety.

For programming, this manual is intended for personnel who understand the programming language specifications in international standard IEC 61131-3 or Japanese standard JIS B 3503.

Introduction

Applicable Products

This manual covers the following products.

• NX-series Safety Control Units NX-SL5£££ NX-SI££££ NX-SO££££

• NX-series Communication Control Unit NX-CSG£££

Note that this manual provides information for using an NX-series Safety Control Unit described above together with an NX-series Communication Control Unit. When you use it with an NJ/NX-series CPU Unit, an EtherCAT Coupler Unit, or an EtherNet/IP Coupler Unit, refer to the NX-series Safety Control Unit User’s Manual (Cat. No. Z930).

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Introduction

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Sections in this Manual

1 10

Overview

System Configuration and Configuration Devices

Specifications of Configuration Units

Designing the Power Supply System

Installation and Wiring

Troubleshooting

Communications Load

Settings

Inspection and Maintenance

Programming

Appendices

Checking Operation and Actual Operation

Index

8 A

9 I

Safety Network Controller Operation

Calculating Safety Reaction Times

Safety Unit Restore

Safety Data Logging

Backup Functions of the Communication Control Unit

Sections in this Manual

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

Introduction .............................................................................................................. 1

Intended Audience

Applicable Products ......................................................................................................................................... 1

Sections in this Manual ........................................................................................... 3

Relevant Manuals................................................................................................... 13

Manual Structure.................................................................................................... 15

Page Structure...............................................................................................................................................15

Special Information ........................................................................................................................................ 16

Precaution on Terminology ............................................................................................................................16

Terms and Conditions Agreement........................................................................ 17

Warranty, Limitations of Liability ....................................................................................................................17

Application Considerations ............................................................................................................................18

Disclaimers ....................................................................................................................................................18

...........................................................................................................................................1

Safety Precautions................................................................................................. 20

Definition of Precautionary Information..........................................................................................................20

Symbols ......................................................................................................................................................... 20

Warnings........................................................................................................................................................21

Cautions.........................................................................................................................................................27

Precautions for Safe Use ...................................................................................... 28

Precautions for Correct Use ................................................................................. 35

Regulations and Standards .................................................................................. 39

Conformance to EU Directives ......................................................................................................................39

Conformance to EN ISO 13849-1 and IEC/EN 62061...................................................................................41

Conformance to UL and CSA Standards.......................................................................................................41

Conformance to Shipbuilding Standards .......................................................................................................41

Conformance to KC Certification ...................................................................................................................41

Unit Versions.......................................................................................................... 43

Unit Versions..................................................................................................................................................43

Unit Versions of Units and Sysmac Studio Versions......................................................................................45

Related Manuals..................................................................................................... 47

Terminology............................................................................................................ 48

Revision History..................................................................................................... 52

Section 1 Overview

1-1 Overview of the Safety Network Controller ......................................................................... 1-2

1-1-1

1-1-2 Introduction to the System Configurations ..................................................................................1-4

1-2 Procedure ...............................................................................................................................1-7

1-2-1 Overall Procedure .......................................................................................................................1-7

1-2-2 Detailed Procedures....................................................................................................................1-8

Features ......................................................................................................................................1-2

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

Section 2 System Configuration and Configuration Devices

2-1 Basic Configuration...............................................................................................................2-2

2-1-1

2-1-2 EtherNet/IP Field Network Configuration ....................................................................................2-3

2-1-3 Configuration Units......................................................................................................................2-3

CPU Rack Configuration .............................................................................................................2-2

2-2 Connecting the Support Software........................................................................................2-5

2-3 Network Configuration between Controllers.......................................................................2-6

Section 3 Specifications of Configuration Units

3-1 Communication Control Unit ................................................................................................ 3-2

3-1-1

3-1-2 Built-in EtherNet/IP Port Specifications.......................................................................................3-7

3-1-3 Part Names and Functions........................................................................................................3-10

3-1-4 Terminal Blocks .........................................................................................................................3-12

3-1-5 Indicators...................................................................................................................................3-14

3-1-6 ID Information Indication ...........................................................................................................3-21

3-2 Safety CPU Unit....................................................................................................................3-22

3-2-1 Models and Specifications ........................................................................................................3-22

3-2-2 Part Names and Functions........................................................................................................3-26

3-2-3 Indicators...................................................................................................................................3-27

3-3 Safety Input Unit ..................................................................................................................3-32

3-3-1 Models and Specifications ........................................................................................................3-32

3-3-2 Part Names and Functions........................................................................................................3-38

3-3-3 Indicators...................................................................................................................................3-40

3-4 Safety Output Unit ...............................................................................................................3-45

3-4-1 Models and Specifications ........................................................................................................3-45

3-4-2 Part Names and Functions........................................................................................................3-52

3-4-3 Indicators...................................................................................................................................3-55

3-5 End Cover ............................................................................................................................. 3-59

3-5-1 Models and Specifications ........................................................................................................3-59

3-6 SD Memory Cards ................................................................................................................ 3-60

3-6-1 Models and Specifications ........................................................................................................3-60

3-6-2 Purpose.....................................................................................................................................3-60

3-7 Support Software ................................................................................................................. 3-61

3-7-1 Product Model ...........................................................................................................................3-61

3-7-2 Connection ................................................................................................................................3-62

3-8 PFH........................................................................................................................................3-63

Models and Specifications ..........................................................................................................3-2

Section 4 Designing the Power Supply System

4-1 Power Supply System ...........................................................................................................4-2

4-1-1 NX Unit Power Supply and I/O Power Supply.............................................................................4-2

4-1-2 NX-series Power Supply-related Units........................................................................................4-3

4-2 Designing the NX Unit Power Supply System.....................................................................4-9

4-2-1 Procedure for Designing the NX Unit Power Supply System......................................................4-9

4-2-2 Calculation Example for the NX Unit Power Supply..................................................................4-10

4-3 Designing the I/O Power Supply System...........................................................................4-12

4-3-1 I/O Power Supply Method .........................................................................................................4-12

4-3-2 Designing the I/O Power Supply from the NX Bus....................................................................4-13

4-3-3 Designing the I/O Power Supply from External Sources...........................................................4-18

4-3-4 Restrictions on Inrush Current for ON/OFF Operation..............................................................4-19

4-4 Selecting External Power Supplies and Protective Devices............................................4-20

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

4-4-1 Selecting the Unit Power Supply...............................................................................................4-20

4-4-2

4-4-3 Selecting Protective Devices.....................................................................................................4-23

Selecting the I/O Power Supplies..............................................................................................4-22

Section 5 Installation and Wiring

5-1 Processing at Power ON .......................................................................................................5-2

5-1-1

5-1-2 Operation When Resetting the Controller from the Sysmac Studio ............................................5-2

5-2 Mounting Units.......................................................................................................................5-4

5-2-1 Installation in a Control Panel .....................................................................................................5-5

5-2-2 Preparations for Installation ........................................................................................................5-9

5-2-3 Installing the Communication Control Unit ................................................................................5-11

5-2-4 Installing and Connecting NX Units...........................................................................................5-13

5-2-5 Mounting the End Cover ...........................................................................................................5-17

5-2-6 Mounting the End Plates ...........................................................................................................5-18

5-2-7 Attaching Markers .....................................................................................................................5-20

5-2-8 Installing and Removing the SD Memory Card .........................................................................5-21

5-2-9 Removal of the Communication Control Unit ............................................................................5-26

5-2-10 Removing NX Units...................................................................................................................5-27

5-2-11 Assembled Appearance and Dimensions .................................................................................5-28

5-3 Wiring....................................................................................................................................5-32

5-3-1 Wiring the Power Supply...........................................................................................................5-33

5-3-2 Wiring the Additional NX Unit Power Supply Unit .....................................................................5-34

5-3-3 Wiring the Additional I/O Power Supply Unit.............................................................................5-34

5-3-4 Wiring the Protective Devices ...................................................................................................5-34

5-3-5 Grounding .................................................................................................................................5-35

5-3-6 Connecting the Built-in EtherNet/IP Port...................................................................................5-39

5-3-7 Wiring to the Screwless Clamping Terminal Blocks ..................................................................5-46

5-4 Control Panel Installation....................................................................................................5-60

5-4-1 Temperature ..............................................................................................................................5-60

5-4-2 Humidity ....................................................................................................................................5-62

5-4-3 Vibration and Shock ..................................................................................................................5-62

5-4-4 Atmosphere...............................................................................................................................5-62

5-4-5 Electrical Environment ..............................................................................................................5-63

5-4-6 Grounding .................................................................................................................................5-67

Power ON Operation...................................................................................................................5-2

Section 6 Safety Network Controller Operation

6-1 Overview of the Safety Network Controller Operation ....................................................... 6-2

6-1-1

6-1-2 Introduction to Communications between NX Units....................................................................6-3

6-1-3 Introduction to CIP Safety Communications ...............................................................................6-3

6-1-4 Introduction to Tag Data Links.....................................................................................................6-4

6-1-5 Calculating the Number of Connections......................................................................................6-9

Introduction to FSoE Communications........................................................................................6-2

6-2 I/O System ............................................................................................................................6-13

6-2-1 Relationship between the Types of Signals and the Types of Communications .......................6-13

6-2-2 Safety Data Types and Standard Data Types ...........................................................................6-13

6-2-3 Specifying Safety Data Types and Standard Data Types .........................................................6-14

6-3 Safety I/O Function ..............................................................................................................6-15

6-3-1 Safety Input Function ................................................................................................................6-15

6-3-2 Safety Output Function .............................................................................................................6-37

Section 7 Settings

7-1 Configuration and Setup Procedures ..................................................................................7-2

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

7-2 Part Names and Functions of the Sysmac Studio Window ...............................................7-3

7-3

CPU Rack Configuration and Setup.....................................................................................7-5

7-3-1 Procedures for Creating the CPU Rack Configuration................................................................7-5

7-3-2 Setting and Viewing the NX Unit Settings ...................................................................................7-6

7-3-3 Setting Up the FSoE Communications........................................................................................7-7

7-4 EtherNet/IP Network Configuration and Setup ...................................................................7-9

7-4-1 Setting IP Addresses...................................................................................................................7-9

7-4-2 CIP Safety Connection Settings................................................................................................7-17

7-4-3 Setting Tag Data Links ..............................................................................................................7-25

7-5 Setting the Input and Output Functions ............................................................................7-29

7-5-1 Safety I/O Functions..................................................................................................................7-29

7-5-2 Setting the Standard Input and Output Functions .....................................................................7-32

7-6 Assigning Variables to I/O Ports ........................................................................................7-33

7-6-1 Registering Device Variables ....................................................................................................7-33

7-6-2 Settings of Communications between NX Units........................................................................7-38

7-7 Exposing Variables to Standard Controllers.....................................................................7-40

7-7-1 Exposing Global Variables ........................................................................................................7-40

7-7-2 Setting Exposed Variables ........................................................................................................7-41

7-7-3 Safety CPU Unit Status.............................................................................................................7-45

7-7-4 I/O Ports of Safety I/O Units......................................................................................................7-46

7-7-5 I/O Ports for Standard I/O Units ................................................................................................7-46

7-8 Exporting/Importing Settings Data.....................................................................................7-47

7-8-1 Exporting/Importing the All NX Unit Settings.............................................................................7-47

7-8-2 Exporting/Importing Data for Individual Safety CPU Unit..........................................................7-49

7-8-3 Importing the Safety Unit Restore File ......................................................................................7-51

Section 8 Programming

8-1 POUs (Program Organization Units) .................................................................................... 8-3

8-1-1

8-1-2 Overview of the Three Types of POUs........................................................................................8-3

8-1-3 Differences between Programs, Functions, and Function Blocks...............................................8-4

8-1-4 Details on Programs....................................................................................................................8-5

8-1-5 Details on Function Blocks..........................................................................................................8-6

8-1-6 Details on Functions..................................................................................................................8-10

8-1-7 Instructions................................................................................................................................8-11

8-2 Variables ............................................................................................................................... 8-12

8-2-1 Variables....................................................................................................................................8-12

8-2-2 Types of Variables .....................................................................................................................8-12

8-2-3 Type of User-defined Variable ...................................................................................................8-12

8-2-4 Attributes of Variables ...............................................................................................................8-13

8-2-5 Data Type..................................................................................................................................8-14

8-2-6 Variable Attributes Other Than Data Type.................................................................................8-16

8-2-7 Function Block Instances ..........................................................................................................8-17

8-2-8 Restrictions on Variable Names and Other Safety Program-related Names.............................8-17

8-3 Constants (Literals) .............................................................................................................8-20

8-3-1 Constants ..................................................................................................................................8-20

8-3-2 Types of Constants ...................................................................................................................8-20

8-4 Programming Languages....................................................................................................8-22

8-4-1 Programming Languages..........................................................................................................8-22

8-4-2 FBD Language ..........................................................................................................................8-22

8-5 Programming Operations....................................................................................................8-27

8-5-1 Programming Layer on the Sysmac Studio...............................................................................8-27

8-5-2 Registering POUs .....................................................................................................................8-28

8-5-3 Registering Variables ................................................................................................................8-38

8-5-4 FBD Programming ....................................................................................................................8-46

8-5-5 Program Pattern Copy ..............................................................................................................8-67

POU ............................................................................................................................................8-3

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

8-6 Automatic Programming ..................................................................................................... 8-84

8-7 Monitoring Memory Usage for Communication Control Unit .......................................... 8-93

8-8 Monitoring Memory Usage for Safety Control Unit ..........................................................8-94

8-9 Offline Debugging................................................................................................................8-96

8-5-6 Function Block Conversion for Programs..................................................................................8-70

8-5-7

8-5-8 Searching and Replacing ..........................................................................................................8-73

8-5-9 Safety Task Settings..................................................................................................................8-76

8-5-10 Variable Comment Switching Function......................................................................................8-78

8-6-1 Generation Algorithms for Automatic Programming..................................................................8-84

8-6-2 Automatic Programming Settings..............................................................................................8-87

8-6-3 Automatic Programming Execution Procedure .........................................................................8-90

8-9-1 Offline Safety Program Debugging............................................................................................8-96

8-9-2 Monitoring .................................................................................................................................8-99

8-9-3 Controlling BOOL Variables, Changing Present Values, and Using Forced Refreshing...........8-99

8-9-4 Cross References .....................................................................................................................8-99

8-9-5 Setting the Initial Values of Variables ........................................................................................8-99

8-9-6 Feedback Settings ..................................................................................................................8-100

8-9-7 Simple Automatic Test.............................................................................................................8-101

Building ....................................................................................................................................8-71

Section 9 Checking Operation and Actual Operation

9-1 Procedures before Operation and Transferring the Required Data..................................9-3

9-1-1

9-1-2 Data That You Must Transfer before Operation and Data Transfer Procedures.........................9-4

9-2 Transferring the Configuration Information ........................................................................ 9-6

9-2-1 Overview .....................................................................................................................................9-6

9-2-2 Transfer Procedure .....................................................................................................................9-6

9-3 Operating Modes of the Safety CPU Unit ............................................................................9-8

9-3-1 Startup Operating Mode and Changing the Operating Mode......................................................9-8

9-3-2 Operation When Changing Operating Mode.............................................................................9-10

9-3-3 Executable Functions in Each Mode of the Safety CPU Unit.................................................... 9-11

9-4 Changing to DEBUG Mode..................................................................................................9-13

9-5 Checking External Device Wiring.......................................................................................9-16

9-5-1 Overview of Functions for Checking Wiring ..............................................................................9-16

9-5-2 Monitoring Safety I/O Units .......................................................................................................9-16

9-5-3 Troubleshooting Safety I/O Terminals .......................................................................................9-19

9-5-4 Clear All Memory Operation for Safety I/O Units ......................................................................9-20

9-6 Functions for Checking Operation.....................................................................................9-22

9-6-1 Overview of Functions for Checking Operation.........................................................................9-22

9-6-2 Starting and Stopping the Safety Programs in DEBUG Mode ..................................................9-22

9-6-3 Monitoring Variables in the FBD Editor .....................................................................................9-23

9-6-4 Monitoring Variables in a Watch Tab Page................................................................................9-24

9-6-5 Controlling BOOL Variables, Changing Present Values, and Using Forced Refreshing...........9-26

9-6-6 Cross References .....................................................................................................................9-34

9-7 Online Functional Test ........................................................................................................9-37

9-7-1 Online Functional Test Settings.................................................................................................9-37

9-7-2 Online Functional Test Execution Procedure ............................................................................9-41

9-8 Node Name ...........................................................................................................................9-47

9-9 Security Settings..................................................................................................................9-48

9-9-1 Setting the Safety Password .....................................................................................................9-48

9-9-2 Data Protection .........................................................................................................................9-49

9-10 Performing Safety Validation and Operation.....................................................................9-53

9-10-1 Performing Safety Validation .....................................................................................................9-53

9-10-2 Changing to RUN Mode ............................................................................................................9-54

9-10-3 Changing to PROGRAM Mode .................................................................................................9-55

Commissioning Procedure ..........................................................................................................9-3

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

9-11 Starting and Stopping the Safety Application Monitoring ............................................... 9-57

9-1

1-1 Procedure to Start and Stop the Safety Application Monitoring ................................................9-57

9-11-2 Changing the Monitoring Options for the Safety Application.....................................................9-58

9-12 Uploading Configuration Information and Safety Application Data ...............................9-59

9-12-1 Outline.......................................................................................................................................9-59

9-12-2 Upload Procedures ...................................................................................................................9-59

9-13 Transferring Safety Application Data.................................................................................9-61

9-13-1 Outline.......................................................................................................................................9-61

9-13-2 Transfer Procedure ...................................................................................................................9-61

9-14 Monitoring Controller Status ..............................................................................................9-63

9-15 Restarting and Clearing All Memory .................................................................................. 9-65

9-15-1 Restarting..................................................................................................................................9-65

9-15-2 Clear All Memory Operation......................................................................................................9-65

Section 10 Calculating Safety Reaction Times

10-1 Safety Reaction Time...........................................................................................................10-2

10-1-1

10-1-2 Verifying Safety Reaction Times ...............................................................................................10-4

10-2 Safety Task ...........................................................................................................................10-5

10-2-1 Safety Task................................................................................................................................10-5

10-2-2 Operation of Safety Task...........................................................................................................10-5

10-2-3 Minimum Safety Task Period.....................................................................................................10-5

10-2-4 Setting the Safety Task Period ..................................................................................................10-6

10-3 FSoE Watchdog Timer.........................................................................................................10-7

10-3-1 FSoE Watchdog Timers ............................................................................................................10-7

10-3-2 Checking FSoE Watchdog Timers ............................................................................................10-7

10-3-3 Changing FSoE Watchdog Timers ............................................................................................10-7

10-4 EPI (Data Packet Interval)....................................................................................................10-9

10-4-1 Changing the EPI ......................................................................................................................10-9

10-4-2 EPI Restrictions.........................................................................................................................10-9

Calculating the Safety Reaction Time .......................................................................................10-2

CONTENTS

Section 11 Communications Load

11-1 Adjusting the Communications Load ................................................................................ 11-2

1-1-1 Checking Bandwidth Usage for Tag Data Links........................................................................ 11-3

11-1-2 Checking the Device Bandwidth Usage of the CIP Safety Routing ..........................................11-4

11-1-3 Relationship between the Number of Packets Used per Second and Packet Intervals............ 11-5

11-1-4 Adjusting the Device Bandwidth Usage ....................................................................................11-5

Section 12 Safety Unit Restore

12-1 Safety Unit Restore..............................................................................................................12-2

12-1-1 Generate Safety Unit Restore File Function .............................................................................12-2

12-1-2 Safety Unit Restore Function ....................................................................................................12-3

12-1-3 Specifications of a Safety Unit Restore File ..............................................................................12-5

Section 13 Backup Functions of the Communication Control Unit

13-1 The Backup Functions ........................................................................................................13-2

13-1-1

13-1-2 Examples of Operating Procedures for the Backup Functions .................................................13-2

13-1-3 Data that Is Backed Up .............................................................................................................13-4

13-1-4 Types of Backup Functions.......................................................................................................13-5

Applications of Backup Functions .............................................................................................13-2

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

13-2 SD Memory Card Backups ................................................................................................ 13-10

13-3 Disabling Backups to SD Memory Cards ........................................................................13-15

13-4 Sysmac Studio Controller Backups ................................................................................. 13-16

13-5 Importing and Exporting Sysmac Studio Backup File Data ..........................................13-20

13-6 Backup Functions when NX Units are Connected..........................................................13-21

13-7 Backup-related Files..........................................................................................................13-23

13-8 Compatibility between Backup-related Files...................................................................13-28

13-9 Functions that cannot be Executed during Backup Functions.....................................13-29

13-1-5 Relation between the Different Types of Backup Functions and Data Groups .........................13-7

13-1-6

13-2-1 Backup (Controller to SD Memory Card) ................................................................................13-10

13-2-2 Restore (SD Memory Card to Controller)................................................................................13-12

13-2-3 Verify (between Controller and SD Memory Card)..................................................................13-13

13-4-1 Backup (Controller to Computer) ............................................................................................13-16

13-4-2 Restore (Computer to Controller)............................................................................................13-17

13-4-3 Verify (between Controller and Computer)..............................................................................13-18

13-6-1 Backing Up Data in NX Units on the Communication Control Unit .........................................13-21

13-6-2 Backup Support Depending on the Controller Status .............................................................13-21

13-6-3 Conditions for Restoring NX Unit Data on the Communication Control Unit...........................13-22

13-7-1 Types of Backup-related Files.................................................................................................13-23

13-7-2 Specifications of a Backup File ...............................................................................................13-23

13-7-3 Specifications of a Restore Command File .............................................................................13-24

13-7-4 Specifications of a Controller Verification Results File............................................................13-25

13-7-5 Specifications of an NX Unit Verification Results File .............................................................13-26

13-8-1 Compatibility between Backup Functions ...............................................................................13-28

Applicable Range of the Backup Functions ..............................................................................13-8

Section 14 Safety Data Logging

14-1 Outline of the Safety Data Logging Function....................................................................14-2

14-2

Creating a Safety Data Logging Settings File with the Sysmac Studio..........................14-4

14-3 Safety Data Logging Operation Procedure .......................................................................14-6

14-4 Checking the Logging Status .............................................................................................14-7

14-4-1 Checking the Seven-segment Indicator ....................................................................................14-7

14-4-2 Checking with System-defined Variables ..................................................................................14-7

14-5 Log File Specifications........................................................................................................14-9

Section 15 Troubleshooting

15-1 Operation after an Error ......................................................................................................15-2

15-1-1

15-1-2 Fatal Errors ..............................................................................................................................15-4

15-1-3 Non-fatal Errors in the Communication Control Unit .................................................................15-6

15-1-4 Checking for Non-fatal Errors .................................................................................................15-15

15-1-5 Resetting Non-fatal Errors ......................................................................................................15-17

15-1-6 Errors Related to the EtherNet/IP Function Module................................................................15-19

15-1-7 Errors Related to Safety Control Units ....................................................................................15-20

15-1-8 Errors on CIP Safety Target Devices ......................................................................................15-21

15-2 Error Troubleshooting Methods ....................................................................................... 15-23

15-2-1 Troubleshooting Flowcharts ....................................................................................................15-23

15-2-2 Troubleshooting Fatal Errors ..................................................................................................15-24

15-2-3 Troubleshooting Non-fatal Errors ...........................................................................................15-25

15-2-4 Troubleshooting When You Cannot Go Online from the Sysmac Studio ................................15-31

15-2-5 Troubleshooting Errors in the Safety Control Unit...................................................................15-35

15-2-6 Troubleshooting the CIP Safety Target Device Errors.............................................................15-42

Overview of Communication Control Unit Status ......................................................................15-2

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

15-3 Error Descriptions and Corrections.................................................................................15-48

15-3-1

15-3-2 Communication Control Unit Error ..........................................................................................15-51

15-3-3 Safety CPU Unit Error ...........................................................................................................15-163

15-3-4 Safety I/O Unit Error..............................................................................................................15-206

15-3-5 Other Troubles and Corrections............................................................................................15-233

Interpreting Tables...................................................................................................................15-48

15-4 Checking Status with the Network Configurator ..........................................................15-234

15-4-1 The Network Configurator's Device Monitor Function...........................................................15-234

15-4-2 Connection Status Codes and Troubleshooting....................................................................15-242

15-4-3 CIP Safety Connection Status Codes and Troubleshooting..................................................15-249

Section 16 Inspection and Maintenance

16-1 Cleaning and Inspection .....................................................................................................16-2

16-1-1

16-1-2 Periodic Inspections ..................................................................................................................16-2

16-2 Maintenance Procedures ....................................................................................................16-5

16-2-1 Replacing the Communication Control Unit and the Safety CPU Unit ......................................16-5

16-2-2 Replacing Safety I/O Units ........................................................................................................16-6

Cleaning ....................................................................................................................................16-2

CONTENTS

Appendices

A-1 General Specifications ......................................................................................................... A-3

A-2

Dimensions............................................................................................................................ A-4

A-2-1 Communication Control Unit ...................................................................................................... A-4

A-2-2 Safety CPU Unit ......................................................................................................................... A-5

A-2-3 Safety I/O Units .......................................................................................................................... A-5

A-2-4 End Cover .................................................................................................................................. A-6

A-2-5 SD Memory Card ....................................................................................................................... A-6

A-3 NX Objects............................................................................................................................. A-7

A-3-1 Format of NX Object Descriptions.............................................................................................. A-7

A-3-2 Safety CPU Unit ......................................................................................................................... A-7

A-3-3 NX-SID800 Safety Input Unit ....................................................................................................A-11

A-3-4 NX-SIH400 Safety Input Unit ................................................................................................... A-16

A-3-5 NX-SOD400 Safety Output Unit............................................................................................... A-21

A-3-6 NX-SOH200 Safety Output Unit............................................................................................... A-25

A-4 Application Examples......................................................................................................... A-30

A-4-1 Emergency Stop Pushbutton Switches .................................................................................... A-30

A-4-2 Safety Doors ............................................................................................................................ A-32

A-4-3 Safety Laser Scanners............................................................................................................. A-36

A-4-4 Safety Door Switches with Magnetic Locks and Key Selector Switches.................................. A-39

A-4-5 Enable Switches....................................................................................................................... A-43

A-4-6 Two-hand Switches.................................................................................................................. A-47

A-4-7 D40A Non-contact Door Switches............................................................................................ A-50

A-4-8 D40Z Non-contact Door Switches............................................................................................ A-53

A-4-9 Safety Mats and Safety Light Curtains..................................................................................... A-56

A-4-10 Safety Edges............................................................................................................................ A-61

A-4-11 Single Beam Safety Sensor ..................................................................................................... A-63

A-5 Change Tracking................................................................................................................. A-67

A-6 Safety CPU Unit Status....................................................................................................... A-69

A-7 I/O Ports of Safety I/O Units ............................................................................................... A-71

A-7-1 NX-SIH400 Safety Input Unit ................................................................................................... A-71

A-7-2 NX-SID800 Safety Input Unit ................................................................................................... A-73

A-7-3 NX-SOH200 Safety Output Unit............................................................................................... A-74

A-7-4 NX-SOD400 Safety Output Unit............................................................................................... A-75

A-8 CIP Response Codes.......................................................................................................... A-78

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

CONTENTS

A-9 Icon list for Safety Slave Unit Parameters........................................................................ A-83

A-10 Printing ................................................................................................................................ A-90

A-11 List of Screwless Clamping Terminal Block Models ....................................................... A-92

A-12 I/O Refreshing between NX Units ...................................................................................... A-94

A-13 Units That Support Communications between NX Units .............................................. A-102

A-14 Checking the Signature Code on the Seven-segment Indicator .................................. A-103

A-15 Execution Scenarios for the Simple Automatic Test..................................................... A-104

A-16 Differences in Checking Operation between the Simulator and Safety CPU Unit...... A-106

A-17 I/O Data Enable Flag for CIP Safety Connections.......................................................... A-107

A-18 Version Information .......................................................................................................... A-109

A-8-1 General Status Codes.............................................................................................................. A-78

A-8-2

A-9-1 External Device Icons for Input Devices .................................................................................. A-83

A-9-2 Contact Icons for Input Devices ............................................................................................... A-86

A-9-3 External Device Icons for Output Devices................................................................................ A-88

A-9-4 Contact Icons for Output Devices ............................................................................................ A-89

A-10-1 Selecting the Items to Print ...................................................................................................... A-90

A-10-2 Items that are Printed............................................................................................................... A-90

A-11-1 Model Notation ......................................................................................................................... A-92

A-11-2 List of Terminal Block Models................................................................................................... A-92

A-12-1 I/O Refreshing from the Communication Control Unit to NX Units........................................... A-94

A-12-2 Methods of I/O Refreshing between the Communication Control Unit and NX Units .............. A-94

A-12-3 I/O Response Time for Communications between NX Units.................................................. A-100

A-18-1 Relationship between the Unit Versions and Sysmac Studio Versions.................................. A-109

Extended Status Codes ........................................................................................................... A-80

Index

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Relevant Manuals

The following table provides the relevant manuals for this product. Read all of the manuals that are relevant to your system configuration and application before you use the product. Most operations on this product are performed from the Sysmac Studio Automation Software. For details on the Sysmac Studio, refer to the Sysmac Studio Version 1 Operation Manual (Cat. No. W504).

Purpose of use

NX-series

Safety Control Unit

User's Manual

Relevant Manuals

NX-series

Safety Control Unit /

Communication Control Unit

NX-series

Communication Control Unit

Built-in Function User's Manual

NX-series

Safety Control Unit

Instructions Reference Manual

Building a safety control system integrated with NJ/NX-series CPU Units

Building a standalone safety control system with EtherNet/IP Coupler Units

Building a safety network control system with Communication Control Units

Introduction to Communication Control Unit Setting devices and hardware

NX-SL5£££ Safety CPU Unit NX-SL3£££ Safety CPU Unit NX-SI££££ and NX-SO££££ Safety I/O Units NX-CSG£££ Communication Control Unit

Software settings

NX-SL5£££ Safety CPU Unit NX-SL3£££ Safety CPU Unit NX-SI££££ and NX-SO££££ Safety I/O Units

NX-CSG£££ Communication Control Unit Creating safety programs Testing operation and debugging

Safety programs

Safety process data communications

Safety I/O functions

Tag data links

Built-in functions for Communication Control Unit Learning about error corrections

NX-SL5£££ Safety CPU Unit

NX-SL3£££ Safety CPU Unit

NX-SI££££ and NX-SO££££ Safety I/O Units

NX-CSG£££ Communication Control Unit Maintenance

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NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Relevant Manuals

Purpose of use

NX-series

Safety Control Unit

User's Manual

NX-series

Safety Control Unit /

Communication Control Unit

NX-series

Communication Control Unit

Built-in Function User's Manual

NX-series

Safety Control Unit

Instructions Reference Manual

NX-SL5£££ Safety CPU Unit NX-SL3£££ Safety CPU Unit NX-SI££££ and NX-SO££££ Safety I/O Units NX-CSG£££ Communication Control Unit

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NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Manual Structure

4-9

Installation and Wiring

NJ-series CPU Unit Hardware User’s Manual (W500)

gnitn

3-4

rel

noC

4-3 Mounting Units

The Units that make up an NJ-series Controller can be connected simply by pressing the Units together and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the same way to the Unit on the far right side of the Controller.

1 Join the Units so that the conn ectors fit exactly.

2 The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders

toward the back of the Units as shown below until they click into place.

Precautions for Correct UsePrecautions for Correct Use

4-3-1 Connecting Controller Components

Connector

Hook

Hook holes

Slider

Lock

Release

Move the sliders toward the back until they lock into place.

Level 1 heading Level 2 heading Level 3 heading

Level 2 heading

A step in a procedure

Manual name

Special information

Level 3 heading

Page tab

Gives the current headings.

Indicates a procedure.

Icons indicate precautions, additional information, or reference information.

Gives the number of the main section.

This illustration is provided only as a sample. It may not literally appear in this manual.

e sliders on the tops and bottoms of the Power Supply Unit, CPU Unit, I/O Units, Special I/O Units, and CPU Bus Units must be completely locked (until they click into place) after connecting the adjacent Unit connectors.

Page Structure

The following page structure is used in this manual.

Manual Structure

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

RightLeft

Down

Manual Structure

Special Information

Special information in this manual is classified as follows:

Precautions for Safe Use

Precautions on what to do and what not to do to ensure safe usage of the product.

Precautions for Correct Use

Precautions on what to do and what not to do to ensure proper operation and performance.

Additional Information

Additional information to read as required. This information is provided to increase understanding or make operation easier

Version Information

Information on dif and for different versions of the Sysmac Studio is given.

ferences in specifications and functionality for Controller with different unit versions

Precaution on Terminology

In this manual, the directions in relation to the Units are given in the following figure, which shows upright installation.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Terms and Conditions Agreement

Warranty, Limitations of Liability

Warranties

Exclusive Warranty

Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied.

Limitations

OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.

Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right.

Buyer Remedy

Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty.

See http://www.omron.com/global/ or contact your Omron representative for published information.

Limitation on Liability; Etc

OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Terms and Conditions Agreement

WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, W

ARRANTY, NEGLIGENCE OR STRICT LIABILITY.

Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.

Application Considerations

Suitability of Use

Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer er’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.

’s application or use of the Product. At Buy-

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

Programmable Products

Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof.

Disclaimers

Performance Data

Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.

. It may represent the result of

Change in Specifications

Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

, some specifications of the Product may

Terms and Conditions Agreement

be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’ time to confirm actual specifications of purchased Product.

s representative at any

Errors and Omissions

Information presented by Omron Companies has been checked and is believed to be accurate; however

, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Additionally, there may be severe property damage.

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or property damage.

WARNING

aution

Safety Precautions

Definition of Precautionary Information

The following notation is used in this manual to provide precautions required to ensure safe usage of the NX-series Safety Control Unit / Communication Control Unit. The safety precautions that are provided are extremely important to safety. Always read and heed the information provided in all safety precautions. The following notation is used.

Symbols

The circle and slash symbol indicates operations that you must not do. The specific operation is shown in the This example indicates prohibiting disassembly.

The triangle symbol indicates precautions (including warnings). The specific operation is shown in the This example indicates a precaution for electric shock.

The triangle symbol indicates precautions (including warnings). The specific operation is shown in the This example indicates a general precaution.

The filled circle symbol indicates operations that you must do. The specific operation is shown in the This example shows a general precaution for something that you must do.

circle and explained in text.

triangle and explained in text.

circle and explained in text.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Warnings

WARNING

Serious injury may possibly occur due to loss of required safety functions. When building the system, observe the following warnings to ensure the integrity of the safety-related components.

Setting Up a Risk Assessment System

The process of selecting these products should include the development and execution of a risk assessment system early in the design development stage to help identify potential dangers in your equipment and optimize safety product selection. Related International Standards:

•

ISO 12100 General Principles for Design - Risk Assessment and Risk Reduction

Safety Precautions

Protective Measure

When developing a safety system for the equipment and devices that use safety products, make every ef and industry standards available, such as the examples given below. Related International Standards:

• ISO 12100 General Principles for Design - Risk Assessment and Risk Reduction

• IEC 60204-1 Electrical Equipment of Machines - Part 1: General Requirements

• ISO 13849-1, -2 Safety-related Parts of Control Systems

• ISO 14119 Interlocking Devices Associated with Guards - Principles for Design and Selection

• IEC/TS 62046 Application of Protective Equipment to Detect the Presence of Persons

• IEC 62061 Functional Safety of Safety-related Electrical, Electronic and Programmable Electronic Control Systems

• IEC 61508 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems

fort to understand and conform to the entire series of international

Role of Safety Products

Safety products incorporate standardized safety functions and mechanisms, but the benefits of these functions and mechanisms are designed to attain their full potential only within properly designed safety-related systems. Make sure you fully understand all functions and mechanisms, and use that understanding to develop systems that will ensure optimal usage. Related International Standards:

ISO 14119 Interlocking Devices Associated with Guards - Principles for Design and

• Selection

• ISO 13857 Safety Distances to Prevent Hazard Zones being Reached by Upper and Lower Limbs

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Safety Precautions

Installing Safety Products

Qualified engineers must develop your safety-related system and install safety products in devices and equipment. Prior to machine commissioning verify through testing that the safety products works as expected. Related International Standards:

ISO 12100 General Principles for Design - Risk Assessment and Risk Reduction

•

• IEC 60204-1 Electrical Equipment of Machines - Part 1: General Requirements

• ISO 13849-1, -2 Safety-related Parts of Control Systems

• ISO 14119 Interlocking Devices Associated with Guards - Principles for Design and Selection

• IEC 62061 Functional Safety of Safety-related Electrical, Electronic and Programmable Electronic Control Systems

• IEC 61508 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems

Observing Laws and Regulations

Safety products must conform to pertinent laws, regulations, and standards. Make sure that they are installed and used in accordance with the laws, regulations, and standards of the country where the devices and equipment incorporating these products are distributed.

Observing Usage Precautions

Carefully read the specifications and precautions as well as all items in the Instruction Manual for your safety product to learn appropriate usage procedures. Any deviation from instructions will lead to unexpected device or equipment failure not anticipated by the safety-related system.

Transferring Devices and Equipment

When transferring devices and equipment, be sure to retain one copy of the Instruction Manual and supply another copy with the device or equipment so the person receiving it will have no problems with operation and maintenance. Related International Standards:

•

ISO 12100 General Principles for Design - Risk Assessment and Risk Reduction

• IEC 60204-1 Electrical Equipment of Machines - Part 1: General Requirements

• ISO 13849-1, -2 Safety-related Parts of Control Systems

• IEC 62061 Functional Safety of Safety-related Electrical, Electronic and Programmable Electronic Control Systems

• IEC 61508 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems

Design

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Safety Precautions

Confirm that the calculated reaction times meet the required specifications for all safety chains. Serious injury may possibly occur due to loss of required safety functions.

All safety devices and components that are connected to an NX-series Safety Control Unit must be selected and used to meet the required level of safety and the relevant safety category Serious injury may possibly occur due to loss of required safety functions.

Do not use indicators on the NX-series Safety Control Units for safety operations. Serious injury may possibly occur due to loss of required safety functions.

Check during the import of the program that the CRC of the program is correct. Serious injury may possibly occur due to loss of required safety functions.

Check during the import of the user defined function that the CRC of the imported function block is correct. Serious injury may possibly occur due to loss of required safety functions.

Do not use non-safety signals, including tag data links, explicit messages, and exposed variables, as safety signals. Serious injury may possibly occur due to loss of required safety functions.

If you select “Open Only” for the Open Type setting, make sure to verify that the originator/target have correct configurations. Serious injury may possibly occur due to loss of required safety functions.

Before connecting an NX Series Safety Control Unit to the network, clear the previous settings. Serious injury may possibly occur due to loss of required safety functions.

Before you connect the Communication Control Unit to the network, set the appropriate IP address and communication speed settings. Serious injury may possibly occur due to loss of required safety functions.

Debugging

Before you perform safety validation of the safety programs, complete debugging of the safety programs. Otherwise, the Safety CPU Unit will start with safety programs that are not fully debugged and may cause serious personal injury

Make sure that the area around the system is safe before you change the operating mode, change present values, or execute forced refreshing. The outputs may operate and may cause serious injury

Make sure that the area around the system is safe before you start the system operation while the online functional test is in progress. The outputs may operate and may cause serious injury

Testing Operation

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Safety Precautions

Before you start the system, perform user testing to make sure that all safety devices operate correctly Serious injury may possibly occur due to loss of required safety functions.

After you perform safety validation, check items for safety validation printed out to confirm Safety Control Units are correctly configured.

Although the Simulator and Simple Automatic Test simulate the operation of the Safety CPU Unit, there are dif ways confirm operation on the actual equipment before you operate the equipment. Accidents may occur if the controlled system performs unexpected operation.

Wiring

Wire the safety input and output lines so that they do not touch other lines. Serious injury may possibly occur due to loss of required safety functions.

. The safety signature is validated upon completion of the user testing.

ferences from the Safety CPU Unit in operation and timing. Al-

Wire the Safety Control Unit properly so that 24-VDC lines do not touch output lines accidentally or unintentionally. Serious injury may possibly occur due to loss of required safety functions.

Wire the safety output lines and 24-VDC lines so that ground faults will not cause the loads to turn ON. Serious injury may possibly occur due to loss of required safety functions.

The wiring information that is displayed on the Sysmac Studio is for reference only and may dif forming suitable wiring. Serious injury may possibly occur due to loss of required safety functions.

fer from the actual wiring diagrams. Always confirm the actual wiring and per-

During Power Supply

Do not touch any of the terminals or terminal blocks while the power is being supplied. Doing so may result in electric shock.

Do not attempt to take any Unit apart. In particular immediately after power is turned OFF. Touching any of these parts may result in electric shock. There are sharp parts inside the Unit that may cause injury.

, high-voltage parts are present in Units that supply power while power is supplied or

Replacing Units

When replacing a Safety Control Unit, confirm that the model of the Unit is correct, confirm that the Unit and terminal block mounting positions are correct, configure the replacement Unit suitably

, and confirm that the Unit operates correctly.

Voltage and Current Inputs

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Safety Precautions

Make sure that the voltages and currents that are input to the Units and slaves are within the specified ranges. Inputting voltages or currents that are outside of the specified ranges may cause accidents or fire.

Transferring

Always confirm safety at the destination before you transfer the unit configuration information, parameters, set values, or other data from tools such as the Sysmac Studio. The devices or machines may perform unexpected operation regardless of the operating mode of the Controller

Restoring Data

When you restore the Safety CPU Unit, confirm that the safety signature for the restored programs is correct. Serious injury may possibly occur due to loss of required safety functions.

Fail-safe Measures

Provide safety measures in external circuits to ensure safety in the system if an abnormality occurs due to malfunction of the Communication Control Unit, slaves, or Units or due to other external factors affecting operation. Not doing so may result in serious accidents due to incorrect operation.

Emergency stop circuits, interlock circuits, limit circuits, and similar safety measures must be provided in external control circuits.

The outputs may remain ON or OFF due to deposition or burning of the output relays or destruction of the output transistors. As a countermeasure for such problems, external safety measures must be provided to ensure safe operation of the system.

The Communication Control Unit will turn OFF digital outputs on the CPU Rack in the following cases:

While the Communication Control Unit is on standby until RUN mode is entered after

• the power is turned ON.

• If an error occurs in the power supply.

• If a system initialization error occurs.

Digital outputs on the CPU Rack will produce outputs according to the settings in the following cases.

• If a CPU error or CPU reset occurs.

• If a major fault level Controller error occurs.

External safety measures must be provided to ensure safe operation of the system in such cases.

If there is interference in remote I/O communications or if a major fault level error occurs, output status will depend on the products that are used. Confirm the operation that will occur when there is interference in communications or a major fault level error Correctly set all of the settings in the slaves and Units.

, and implement safety measures.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Safety Precautions

If external power supplies for Units, slaves or other devices are overloaded or shortcircuited, the voltage will drop, outputs will turn OFF read inputs. Provide external safety measures in controls with monitoring of external power supply voltage as required so that the system operates safely in such a case.

Unintended outputs may occur when an error occurs in variable memory. As a countermeasure for such problems, external safety measures must be provided to ensure safe operation of the system.

Provide measures in the communications system and user program to ensure safety in the overall system even if errors or malfunctions occur in data link communications or remote I/O communications.

The NX-series Controller continues normal operation for a certain period of time when a momentary power interruption occurs. This means that the NX-series Controller may receive incorrect signals from external devices that are also af terruption. Accordingly, take suitable actions, such as external fail-safe measures and interlock conditions, to monitor the power supply voltage of the external device as required.

You must take fail-safe measures to ensure safety in the event of incorrect, missing, or abnormal signals caused by broken signal lines, momentary power interruptions, or other causes. Not doing so may result in serious accidents due to incorrect operation.

, and the system may be unable to

fected by the power in-

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Cautions

Caution

Application

Do not touch any Unit when power is being supplied or immediately after the power supply is turned OFF

Wiring

Be sure that all terminal screws and cable connector screws are tightened to the torque specified in the relevant manuals. The loose screws may result in fire or malfunction.

Safety Precautions

. Doing so may result in burn injury.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

Example: NX Units (12 mm wide) Communication Control Unit

Precautions for Safe Use

Transporting

• Do not attempt to disassemble, repair, or modify any Units. Doing so may result in malfunction or fire.

• Do not drop any Unit or subject it to abnormal vibration or shock. Doing so may result in Unit malfunction or burning.

• When transporting any Unit, use the special packing box for it. Also, do not subject the Unit to excessive vibration or shock during transportation.

Mounting

• Always turn OFF the power supply before mounting a Unit. If the power supply is not OFF, the Unit may malfunction or may be damaged.

• Mount terminal blocks and connectors only after checking the mounting location carefully. Be sure that the terminal blocks, expansion cables, and other items with locking devices are properly locked into place.

• Do not apply labels or tape to the Unit. When the Units are installed or removed, adhesive or scraps may adhere to the pins in the NX bus connector, which may result in malfunctions.

• Do not touch the pins in the NX bus connector on the Unit. Dirt may adhere to the pins in the NX bus connector, which may result in malfunctions.

• Do not write on the Communication Control Unit or an NX Unit with ink within the restricted region that is shown in the following figure. Also do not get this area dirty. When the Unit is installed or removed, ink or dirt may adhere to the pins in the NX bus connector, which may result in malfunctions in the Controller.

NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)

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