Allen-Bradley SmartGuard 600 - Exclusive NOR Logic Instruction

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Publication 1752-UM001A-EN-P - October 2006

150 Logic Functions Command Reference

Exclusive OR Truth Table

In the truth table, 0 is off and 1 is on.

Exclusive NOR Instruction

The output is an exclusive NOR of the input conditions.

Exclusive NOR Instruction Diagram

Exclusive NOR Instruction Truth Tables

In the truth table, 0 is off and 1 is on.

Truth Table for Exclusive OR Evaluation

Input 1 Input 2 Output 1

0 0 0

0 1 1

1 0 1

1 1 0

Truth Table for Exclusive NOR Evaluation

Input 1 Input 2 Output 1

0 0 1

0 1 0

1 0 0

1 1 1

Output 1Input 1

Input 2

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 - Exclusive NOR Logic Instruction

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