Allen-Bradley SmartGuard 600 - Light Curtain Application Example

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Publication 1752-UM001A-EN-P - October 2006

Application and Configuration Examples 227

Light Curtain Application

This example shows a dual channel safety light curtain with manual

reset and dual channel emergency stop switch with manual reset.

Wiring Diagram

G1 T0

V2 G2

O3 O5

O2 O4 O6

KM1

KM2

KM1-NC

KM2-NC

KM1 KM2

Connect a 24V dc power supply to terminals V0 and G0, the power supply terminals for internal circuits.

E1 and E2: 24V dc Power Supplies

S1: Reset Switch

S2: Reset Switch

S3: Emergency Stop Pushbutton

KM1 and KM2: Contactors

Aux Output (White)

Safety Output 1 (Gray)

Safety Output 2 (Pink)

0V (Blue)

+24V (Brown)

Reset Input (Yellow)

Test Input (Black)

0V (Blue)

440 L

Receiver

440 L

Transmitter

Main Page

Default Chapter3
- Table of Contents3
- Additional Resources11
Preface11
- Purpose of this Manual11
- Who Should Use this Manual11
- Common Techniques Used in this Manual12
- Understanding Terminology12
Chapter 113
- About the Smartguard 600 Controller13
- Introduction13
Overview13
- Additional Resources17
- Safety Concept of the Controller17
Chapter 219
- General Safety Information19
Installing and Wiring the19
- Introduction19
- Setting the Node Address22
- Understanding Node Addressing22
- Setting the Communication Rate23
- Mounting the Smartguard Controller24
- Connecting a Power Supply25
- Grounding the Smartguard Controller25
- Make Communication Connections26
  - Connect to the Devicenet Port27
  - Connect to USB Port27
- Wiring the Smartguard 600 Controller28
Chapter 335
- Connect a Computer to the Devicenet Network35
  - Configure a Driver for the Network36
  - Make Sure the Driver Works36
- Introduction35
Set up Your Devicenet Network35
- Commission All Nodes36
- Browse the Network38
- Configuration Signature38
- Safety Reset (Optional)39
- Publication 1752-UM001A-EN-P - October40
- Set Passwords (Optional)41
  - Set or Change a Password41
  - Forgotten Passwords42
Chapter 4 Introduction43
- Safety Network Number (SNN) Formats43
  - Time-Based Safety Network Number (Recommended)44
  - Manual Safety Network Number (SNN)44
- Assignment of the Safety Network Number (SNN)45
  - Automatic (Time-Based)45
  - Manual45
- Set the Safety Network Number (SNN) in All Safety Nodes45
- Safety Network Number (SNN) and Node Address Changes47
- Safety Network Number (SNN) Mismatch47
Chapter 5 Introduction49
- Configure Local Safety Inputs49
  - Example: Input Channel as Test Pulse from Test Output52
  - Automatic Adjustment of On- and Off-Delay Times53
- Configure Local Test Outputs53
- Configure Local Safety Outputs56
Chapter 6 Introduction59
- Set up the Controller as a Safety Master59
  - Network60
  - Configure Safety I/O Connections62
- Set up the Controller as a Safety Slave64
- Set up the Controller as a Standard Slave73
  - Create Standard Slave I/O Data73
  - Add the Smartguard Standard Slave to the Standard Master's Scanlist77
Chapter 7 Introduction79
- Set Automatic Execution Mode (Optional)79
- Set Standalone Communication Mode (Optional)80
- Change Controller Mode81
Chapter 883
- Introduction83
- The Logic Editor83
- Programming Basics84
- Create a Function Block Program89
- Edit Function Block Parameters90
- Find Function Blocks with Open Connections93
- Programming on Multiple94
- Save the Program95
- Update the Program95
- Monitor the Program Online96
- Program Execution Sequence97
- User-Defined Function Blocks98
- Additional Resources103
Chapter 9105
Download and Verify105
- Download the Devicenet Network Configuration105
- Introduction105
- Start the Safety Device Verification Wizard107
- Verify Your Devicenet Safety Configuration107
- Determine if Devices Can be Verified108
- Select Devices to Verify109
- Review the Safety Device Verification Reports111
- Lock Safety Devices112
- View the Safety Device Verification Wizard Summary113
  - Publication 1752-UM001A-EN-P - October114
  - Introduction115
Chapter 10116
- Monitor I/O Power Supply Input116
- Monitor I/O Maintenance Information117
  - Configure a Maintenance Monitoring Mode118
  - Clear the Maintenance Values119
- View I/O Status Data120
  - General Status Data121
  - Local Input Status122
- Controller Connection Status (Safety Slave Function)123
- Error Categories125
- Error History Table126
- Error History Messages and Corrective Actions127
- Download Errors and Corrective Actions131
- Reset Errors and Corrective Actions133
- Mode Change Errors and Corrective Actions135
Appendix A137
- Status LED Indicators137
- Identifying Errors Using Status Indicators139
- Introduction143
- AND Instruction144
Appendix B144
- OR Instruction146
  - OR Instruction Diagram147
- Exclusive or Instruction149
  - Exclusive or Truth Table150
- Routing Instruction151
  - Reset Set Flip-Flop Instruction Diagram152
  - Multi-Connector Instruction Diagram153
- Comparator Instruction154
  - Comparator Instruction Truth Table155
  - Comparator Instruction Timing Chart156
Appendix C158
- Reset Function Block Parameters158
- Reset Function Block Timing Charts159
- Restart Function Block Parameters160
- Restart Function Block Timing Charts161
- ESTOP Function Block Parameters162
- ESTOP Function Block Error Handling163
- ESTOP Function Block Timing Chart164
- Light Curtain Function Block Parameters165
- Light Curtain Function Block Timing Chart166
- Outputs167
- Safety Gate Monitoring Function Block Parameters168
- Safety Gate Monitoring Function Block Truth Tables169
- Safety Gate Monitoring Function Block Error Handling170
- Publication 1752-UM001A-EN-P - October171
- Two-Hand Control Function Block172
  - Two-Hand Control Function Block Parameters173
  - Two-Hand Control Function Block Error Handling174
- OFF-Delay Timer Function Block175
- Enable Switch198
  - Enable Switch Function Block Parameters199
  - Enable Switch Function Block Error Handling200
- Pulse Generator201
Appendix D208
- Response Format208
- Error Response Format209
- Example Read Message from a Guardlogix Controller210
- Restrictions on Sending Explicit Messages211
- Messages212
Appendix E221
- Safety Gate Application with Automatic Reset221
- Stop Switch with Manual Reset222
- Safety Mat Application224
- Light Curtain Application227
- Publication 1752-UM001A-EN-P - October228
Glossary234
- Index235
- Index236
- Index237
Index238

Allen-Bradley SmartGuard 600 - Light Curtain Application Example

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