Allen-Bradley Compact GuardLogix 5370 - Chapter 8 Elements of a Control Application

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Rockwell Automation Publication 1769-UM022C-EN-P - June 2018 123

Chapter 8

Elements of a Control Application

A control application is comprised of several elements that require planning for

efficient application execution. Application elements include the following:

•Tasks

•Programs

•Routines

• Parameters and Local Tags

Topic Page

Tasks 124

Programs 128

Routines 130

Tags 131

Programming Languages 134

Add-on Instructions 135

Access the Module Object 136

System Overhead Time Slice 138

Main Page

Default Chapter3
- Table of Contents3
Summary of Changes9
Preface11
Terminology11
- Additional Resources12
System Overview15
Chapter 1 Safety Application Requirements16
- Safety Network Number16
- Safety Task Signature16
- System Overview Safety Application Requirements16
- Distinguishing between Standard and Safety Components17
  - HMI Devices17
- Controller Data Flow Capabilities18
- Compact Guardlogix 5370 Controller System19
- Controller Functionality19
- Programming Requirement20
Chapter 2 Precautions21
- North American Hazardous Location Approval22
- European Hazardous Location Approval23
- Compact Guardlogix 5370 Controller Parts23
- Install the Secure Digital (SD) Card24
- Plan the System25
- Assemble the System26
- Mount the System27
- Connect Power to the Control System31
- Connect to the Controller Via a USB Cable31
- Connect the Controller to an Ethernet/Ip Network32
  - Connect to Different Ethernet/Ip Network Topologies32
Install the Controller21
Set the IP Address33
Chapter 334
- Use the BOOTP Server to Set the Lp Address34
- Use the DHCP Server to Set the Lp Address35
- Use the Rslinx Classic Software to Set the Lp Address36
- Use the Studio 5000 Environment to Set the Lp Address38
- Use the SD Card to Set the Lp Address41
- Change the IP Address42
- Load Controller Firmware45
- Select the Operating Mode of the Controller53
Chapter 4 Create a Controller Project55
- Set Passwords for Safety -Lock and -Unlock59
- Protect the Safety Task Signature in Run Mode60
- Electronic Keying61
- I/O Device Replacement Options62
- Enable Time Synchronization63
- Configure a Peer Safety Controller63
Configure the Controller55
Chapter 5 The Safety Network65
- Managing the Safety Network Number (SNN)66
- Assigning the Safety Network Number (SNN)67
- Changing the Safety Network Number (SNN)68
- Ethernet/Ip Network Communication72
- Devicenet Network Communication79
Communicate over Networks65
Chapter 6 Select I/O Modules83
- Local Expansion Modules83
Add and Configure Standard I/O Modules84
- Standard Distributed I/O Modules over an Ethernet/Ip Network85
- Standard Distributed I/O Modules over a Devicenet Network85
- Validate Standard I/O Layout86
- Configure Standard I/O96
  - Common Configuration Parameters97
  - I/O Connections97
- Configure Standard Distributed I/O Modules on an Ethernet/Ip98
- Network98
- Configure Standard Distributed I/O Modules on a Devicenet Network100
- Monitor Standard103
- I/O Modules103
  - End Cap Detection and Module Faults104
Chapter 7105
- Add Safety I/O Devices105
- Configure Safety I/O Devices106
- Set the IP Address by Using Network Address Translation (NAT)107
- Set the Safety Network Number (SNN)108
- Unicast Connections on Ethernet/Ip Networks108
- Set the Connection Reaction Time Limit109
- Understanding the Configuration Signature112
  - Configuration Via the Logix Designer Application112
  - Different Configuration Owner (Listen-Only Connection)112
- Reset Safety I/O Device Ownership113
- Address Safety I/O Data113
  - Safety I/O Modules Address Format113
  - Format114
- Monitor Safety I/O Device Status114
- Reset Safety I/O Device to Out-Of-Box Condition115
- Replace a Safety I/O Device116
Chapter 8 Elements of a Control Application123
- Tasks124
  - Task Priority127
- Programs128
  - Scheduled and Unscheduled Programs129
- Routines130
- Tags131
  - Extended Properties132
  - Access Extended Properties in Logic132
- Programming Languages134
- Add-On Instructions135
- Access the Module Object136
  - Create the Add-On Instruction136
- System Overhead Time Slice138
  - Configure the System Overhead Time Slice139
  - Rockwell Automation Publication 1769-UM022C-EN-P - June140
Chapter 9142
- Safety Task Period Specification142
- Safety Task Execution143
- Safety Programs143
- Safety Routines144
- Safety Tags144
- Produced/Consumed Safety Tags148
- Safety Tag Mapping156
- Safety Application Protection158
  - Safety-Lock the Controller158
  - Generate a Safety Task Signature160
- Programming Restrictions162
- Motion Axes Support164
The Safety Task142
Chapter 10164
- AXIS_VIRTUAL Axis164
- AXIS_CIP_DRIVE Axis164
- Maximum Number of Position Loop-Configured Drives165
  - Position Loop-Configured Drive Limits165
- Time Synchronization166
- Configure Integrated Motion on the Ethernet/Ip Network167
Chapter 11169
- Project to Controller Matching169
- Firmware Revision Matching170
- Safety Status/Faults170
- Safety Task Signature and Safety-Locked and -Unlocked Status170
- Download172
- Upload174
- Go Online175
Considerations169
View Status Via the Online Bar177
Chapter 12 Monitor Connections178
- All Connections178
- Safety Connections179
- Determine if I/O Communication Has Timed out180
- Determine if I/O Communication to a Specific I/O Module Has180
- Timed out180
- Monitor Status Flags180
- Monitor Safety Status181
- Controller Faults181
- Develop a Fault Routine183
- Use SD Cards for Nonvolatile Memory187
Chapter 13189
- Store a Safety Project189
- Load a Safety Project192
- Manage Firmware with Firmware Supervisor195
Appendix A198
Appendix A199
Appendix A200
Change from a Standard to a Safety Controller201
Appendix B202
- Change from a Safety to a Standard Controller202
- Change Safety Controller Types202
Index203
- Rockwell Automation Publication 1769-UM022C-EN-P - June204

Allen-Bradley Compact GuardLogix 5370 - Chapter 8 Elements of a Control Application

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