Omron NX-SL3500

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Si0 Si1

T0 T1

Si2 Si3

T0 T1

Blue

Black

Brown

White

KM1

KM2

Si0 Si1 Si2 Si3

T0 T1 T0 T1

24 VDC (brown)

GND (blue)

Emitter

Receiver

OSSD1 (green)

OSSD2 (white)

Unit 2 (NX-SIH400)

Unit 3 (NX-SIH400)

KM1

KM2

KM1

KM2

So0 So1 So2 So3

S1: Emergency stop pushbutton

S2: Reset switch

S3: Safety light curtain

S4: Safety mat

KM1, KM2: Contactors

M: Motor

Unit 4 (NX-SOD400)

IOG IOG IOG IOG

Appendices

A - 58

NX-series Safety Control Unit User's Manual (Z930)

Main Page

Introduction3
- Intended Audience3
- Applicable Products3
Sections in this Manual5
- Table of Contents6
Relevant Manuals13
Manual Structure15
- Page Structure15
- Special Information16
- Precaution on Terminology16
Terms and Conditions Agreement17
- Warranty, Limitations of Liability17
- Application Considerations18
- Disclaimers18
Safety Precautions20
- Definition of Precautionary Information20
- Symbols20
- Warnings21
Precautions for Safe Use26
Precautions for Correct Use31
Regulations and Standards33
- Conformance to EU Directives33
- Conformance to en ISO 13849-1 and en 6206134
- Conformance to UL and CSA Standards35
- Conformance to Shipbuilding Standards35
- Conformance to KC Certification35
Unit Versions37
- Unit Versions of Units and Sysmac Studio Versions38
Related Manuals39
Terminology41
Revision History44
- Overview47
Section 1 Overview48
Introduction and Features48
- Overview of Safety Control Unit48
- Features of Safety Control Unit51
System Configuration and Configuration Devices54
- Safety Control System Configuration on NX Bus of CPU Unit or Ethercat Network54
- Safety Control System Configuration on Ethernet/Ip Network56
- Standalone Safety Control System Configuration56
- Types of Safety Control Unit57
Support Software58
- Applicable Support Software58
- Connection Method and Procedures for Ethercat Coupler Units58
- Connection Method and Procedures for Ethernet/Ip Coupler Units60
Commissioning Procedures61
- Overall Procedure61
- Detailed Procedures62
  - Specifications67
Section 2 Specifications68
Safety CPU Unit68
- Models and Specifications68
- Part Names and Functions74
- Indicators76
Safety Input Unit82
- Models and Specifications82
- Part Names and Functions88
- Indicators90
Safety Output Unit94
- Models and Specifications94
- Part Names and Functions101
- Indicators104
Pfh107
- Installation and Wiring109
Section 3 Installation and Wiring110
Installing Units110
- Installing NX Units110
- Attaching Markers112
- Removing Units113
- Installation Orientation114
Power Supply Types and Wiring116
- Applications of I/O Power Supply and Supply Methods116
- Calculating the Total Current Consumption from I/O Power Supply117
Wiring the Terminals118
- Wiring to the Screwless Clamping Terminal Blocks118
- Checking Wiring131
  - Safety Control Unit Operation133
Section 4 Safety Control Unit Operation134
Relationship between Units and Types of Communications134
- Safety Control System on CPU Rack or Ethercat Network134
- Safety Control System on Ethernet/Ip Network136
- Standalone Safety Control System138
I/O System140
- Relationship between the Types of Signals and the Types of Communications140
- Relationship between the Types of Signals and the Types of Com- Munications140
- Safety Data Types and Standard Data Types140
- Specifying Safety Data Types and Standard Data Types141
Safety I/O Function142
- Safety Input Function142
- Safety Output Function164
Section 5 System Configuration and Setup174
- System Configuration and Setup174
Configuration and Setup Procedures174
Part Names and Functions of the Sysmac Studio Window175
Controller Configuration and Setup of the Safety Control Units177
- Procedures for Creating the Controller Configuration for Safety Control178
- Setting and Viewing the Safety Control Unit Settings181
- Procedure to Change the Model of the Safety Control Unit182
Setting up the Safety Process Data Communications184
- Setting up the Fsoe Communications184
- Setting up the CIP Safety Communications185
- Calculating the Number of Connections192
Safety I/O Functions195
Registering Device Variables198
Exposing Variables to Standard Controllers202
- Exposing Global Variables202
- Setting Exposed Variables203
- Safety CPU Unit Status207
- I/O Ports for Safety I/O Units208
- I/O Refreshing Method208
Setting Standard Process Data Communications209
- Using an CPU Unit or Ethercat Coupler Unit209
- Using an Ethernet/Ip Coupler Unit209
Exporting/Importing Settings Data211
- Exporting/Importing the Settings for the Entire Slave Terminal211
- Exporting/Importing the Settings for All the NX Units on a CPU Rack or Slave Terminal213
- Exporting/Importing Data for Individual Safety CPU Unit214
  - Programming217
Section 6 Programming219
Pous (Program Organization Units)219
- Pou219
- Overview of the Three Types of Pous219
- Differences between Programs, Functions, and Function Blocks220
- Details on Programs221
- Details on Function Blocks222
- Details on Functions226
- Instructions227
Variables228
- Types of Variables228
- Type of User-Defined Variable228
- Attributes of Variables229
- Data Type230
- Variable Attributes Other than Data Type232
- Function Block Instances233
- Restrictions on Variable Names and Other Safety Program-Related Names233
Constants (Literals)235
- Constants235
- Types of Constants235
Programming Languages237
- FBD Language237
Programming Operations242
- Programming Layer on the Sysmac Studio242
- Registering Pous243
- Registering Variables252
- FBD Programming257
- Function Block Conversion for Programs276
- Building277
- Searching and Replacing279
- Safety Task Settings282
Automatic Programming284
- Generation Algorithms for Automatic Programming284
- Automatic Programming Settings287
- Automatic Programming Execution Procedure290
Monitoring Memory Usage for Safety Control Unit293
Offline Debugging295
- Offline Safety Program Debugging295
- Monitoring298
- Controlling BOOL Variables, Changing Present Values, and Using Forced Refreshing298
- Setting the Initial Values of Variables298
- Feedback Settings299
- Simple Automatic Test300
  - Checking Operation and Actual Operation307
Section 7 Checking Operation and Actual Operation309
Procedures before Operation and Transferring the Required Data309
- Commissioning Procedure309
- Data that You Must Transfer before Operation and Data Transfer Procedures310
Transferring the Configuration Information313
- Overview313
- Transfer Procedure for a Connection to NJ/NX-Series CPU Unit314
- Transfer Procedure for a Connection to Communications Coupler Unit314
Operating Modes of the Safety CPU Unit317
- Startup Operating Mode and Changing the Operating Mode317
- Operation When Changing Operating Mode319
- Executable Functions in each Mode of the Safety CPU Unit320
Changing to DEBUG Mode323
Checking External Device Wiring326
- Overview of Functions for Checking Wiring326
- Monitoring Safety I/O Units326
- Troubleshooting Safety I/O Terminals330
- Clear All Memory Operation for Safety I/O Units331
Functions for Checking Operation333
- Overview of Functions for Checking Operation333
- Starting and Stopping the Safety Programs in DEBUG Mode333
- Monitoring Variables in the FBD Editor333
- Monitoring Variables in a Watch Tab Page333
- Controlling BOOL Variables, Changing Present Values, and Using Forced Refreshing333
- Monitoring Variables in the FBD Editor334
- Monitoring Variables in a Watch Tab Page335
- Controlling BOOL Variables, Changing Present Values, and Using Forced Refreshing337
Online Functional Test346
- Online Functional Test Settings346
- Online Functional Test Execution Procedure350
Node Name356
Security Settings357
- Setting the Safety Password357
- Data Protection358
Performing Safety Validation and Operation362
- Performing Safety Validation362
- Changing to RUN Mode363
- Changing to PROGRAM Mode364
- Uploading Configuration Information and Safety Application Data366
- 7-12 Transferring Safety Application Data369
- 7-13 Monitoring Controller Status370
- 7-14 Restarting and Clearing All Memory372
  - Restarting372
  - Clear All Memory Operation373
- Safety Reaction Time380
  - Calculating the Safety Reaction Time380
  - Verifying Safety Reaction Times382
- Safety Task383
- Fsoe Watchdog Timer387
- EPI (Data Packet Interval)389
  - Changing the EPI389
  - EPI Restrictions389
    - Communications Load391
Section 9 Communications Load392
- Adjusting the Communications Load392
- Checking Bandwidth Usage for Tag Data Links393
- Checking the Device Bandwidth Usage of the CIP Safety Routing394
- Relationship between the Number of Packets Used Per Second and Packet Intervals395
- Adjusting the Device Bandwidth Usage395
Safety Unit Restore397
- Generate Safety Unit Restore File Function398
- 10-1 Safety Unit Restore398
- Safety Unit Restore Function399
- Specifications of a Safety Unit Restore File402
Safety Data Logging403
- Outline of the Safety Data Logging Function404
- Creating a Safety Data Logging Settings File with the Sysmac Studio406
- Safety Data Logging Operation Procedure408
- 11-4 Checking the Logging Status409
  - Checking the Seven-Segment Indicator409
  - Checking with System-Defined Variables409
11-5 Log File Specifications410
Section 12 Troubleshooting414
12-1 How to Check for Errors414
Checking for Errors with the Indicators415
- Troubleshooting the Main Errors in the Safety CPU Unit415
- Troubleshooting the Main Errors in the Safety I/O Units423
Checking for Errors with the Sysmac Studio426
- Checking for Errors from the Sysmac Studio426
- Types of Errors427
- Event Codes for Errors and Troubleshooting Procedures429
- Error Descriptions443
12-4 Resetting Errors502
Troubleshooting Flow When Errors Occur503
Inspection and Maintenance505
13-1 Cleaning and Inspection506
- Cleaning506
- Periodic Inspections506
13-2 Maintenance Procedures509
- Replacing the Safety CPU Unit509
- Replacing Safety I/O Units511
Appendices515
A-1 Dimensions515
- A-1-1 Safety CPU Unit515
- Safety CPU Unit515
- A-1-2 Safety I/O Units516
A-2 NX Objects517
- A-2-1 Format of NX Object Descriptions517
- A-2-2 Safety CPU Unit (NX-SL3300/NX-SL3500)517
- Format of NX Object Descriptions517
- Safety CPU Unit (NX-SL3300/NX-SL3500)517
- A-2-3 Safety CPU Unit (NX-SL5500/NX-SL5700)519
- Safety CPU Unit (NX-SL5500/NX-SL5700)519
- A-2-4 NX-SID800 Safety Input Unit523
- NX-SID800 Safety Input Unit523
- A-2-5 NX-SIH400 Safety Input Unit528
- NX-SIH400 Safety Input Unit528
- A-2-6 NX-SOD400 Safety Output Unit533
- NX-SOD400 Safety Output Unit533
- A-2-7 NX-SOH200 Safety Output Unit537
- NX-SOH200 Safety Output Unit537
A-3 Application Examples542
- A-3-1 Emergency Stop Pushbutton Switches542
- Emergency Stop Pushbutton Switches542
- A-3-2 Safety Doors544
- A-3-3 Safety Laser Scanners548
- Safety Laser Scanners548
- A-3-4 Safety Door Switches with Magnetic Locks and Key Selector Switches551
- Safety Door Switches with Magnetic Locks and Key Selector Switches551
- A-3-5 Enable Switches555
- A-3-6 Two-Hand Switches559
- Two-Hand Switches559
- A-3-7 D40A Non-Contact Door Switches562
- D40A Non-Contact Door Switches562
- A-3-8 D40Z Non-Contact Door Switches565
- D40Z Non-Contact Door Switches565
- A-3-9 Safety Mats and Safety Light Curtains568
- Safety Mats and Safety Light Curtains568
- A-3-10 Safety Edges573
- Safety Edges573
- A-3-11 Single Beam Safety Sensor575
- A-3-12 Multi-Axis Servo Drives (STO)578
A-4 Change Tracking582
A-5 Safety CPU Unit Status584
- Nx-Sl3300/Nx-Sl3500584
- Nx-Sl5500/Nx-Sl5700584
A-6 I/O Ports of Safety I/O Units586
- A-6-1 NX-SIH400 Safety Input Unit586
- NX-SIH400 Safety Input Unit586
- A-6-2 NX-SID800 Safety Input Unit588
- NX-SID800 Safety Input Unit588
- A-6-3 NX-SOH200 Safety Output Unit589
- NX-SOH200 Safety Output Unit589
- A-6-4 NX-SOD400 Safety Output Unit590
- NX-SOD400 Safety Output Unit590
A-7 CIP Response Codes593
- A-7-1 General Status Codes593
- General Status Codes593
- Extended Status Codes595
Icon List for Safety Slave Unit Parameters598
- External Device Icons for Input Devices598
- A-8-2 Contact Icons for Input Devices601
- Contact Icons for Input Devices601
- A-8-3 External Device Icons for Output Devices603
- External Device Icons for Output Devices603
- A-8-4 Contact Icons for Output Devices604
- Contact Icons for Output Devices604
Calculating I/O Sizes for CPU Rack or Slave Terminals605
A-10 Printing606
- A-10-1 Selecting the Items to Print606
- A-10-2 Items that Are Printed606
List of Screwless Clamping Terminal Block Models608
- A-11-1 Model Notation608
- A-11-2 List of Terminal Block Models608
I/O Response Times for Communications between NX Units on Ethernet/Ip Slave Terminals610
Units that Support Communications between NX Units612
Checking the Signature Code on the Seven-Segment Indicator613
Execution Scenarios for the Simple Automatic Test614
Differences in Checking Operation between the Simulator and Safety CPU Unit616
A-17 Version Information617
- Relationship between Unit Versions and Sysmac Studio Versions617
- A-17-2 Functions that Were Added or Changed for each Version621

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