Table of Contents
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Application Technique
Original Instructions
Enabling Switch with an Integrated Safety Controller and a POINT
Guard I/O Safety Module Safety Function
Products: GuardLogix 5570 or Compact GuardLogix 5370 Controller, POINT Guard I/O Safety Module, 440J Enabling Switch,
440K Interlock Switch
Safety Rating: Cat. 3, PLd to ISO 13849-1: 2015
Topic
Important User Information
Summary of Changes
General Safety Information
Introduction
Safety Function Realization: Risk Assessment
Enabling Switch Safety Function
Safety Function Requirements
Functional Safety Description
Bill of Material
Setup and Wiring
Configuration
Programming
Calculation of the Performance Level
Verification and Validation Plan
Additional Resources
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Table of Contents
Related Manuals for Allen-Bradley GuardLogix 5570
Summary of Contents for Allen-Bradley GuardLogix 5570
- Page 1 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Products: GuardLogix 5570 or Compact GuardLogix 5370 Controller, POINT Guard I/O Safety Module, 440J Enabling Switch, 440K Interlock Switch Safety Rating: Cat. 3, PLd to ISO 13849-1: 2015...
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Page 2: Important User Information
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Important User Information Read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. -
Page 3: Summary Of Changes
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Summary of Changes This publication contains new and updated information as indicated in the following table. Topic Page Updated the Bill of Material. Replaced the Electrical Schematic diagram. - Page 4 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Introduction This safety function application technique explains how to wire, configure, and program a Compact GuardLogix® controller and POINT Guard I/O™ module to monitor an enabling switch. The operator squeezes the enabling switch to the middle position to bypass the primary, safety- door interlock.
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Page 5: Safety Function Realization: Risk Assessment
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Safety Function Realization: Risk Assessment The Performance Level required (PLr) is the result of a risk assessment and refers to the amount of the risk reduction to be conducted by the safety-related parts of the control system. -
Page 6: Bill Of Material
GuardLogix processor, 2.0 MB standard memory, 1.0 MB safety memory 1756-L72S GuardLogix processor, 4.0 MB standard memory, 2.0 MB safety memory 1756-L73S GuardLogix processor, 8.0 MB standard memory, 4.0 MB safety memory GuardLogix 5570 1756-L7SP GuardLogix Safety Partner 1756-EN2TR ControlLogix® EtherNet/IP bridge, 10/100 Mbps, 2-port, twisted-pair media 1756-PA72 Power supply, 120/240V AC input, 3.5 A @ 24V DC... -
Page 7: Setup And Wiring
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Controller Cat. No. Description Quantity 5069-L306ERS2 Compact GuardLogix processor, 0.6 MB standard memory, 0.3 MB safety memory 5069-L306ERMS2 5069-L310ERMS Compact GuardLogix processor, 1.0 MB standard memory, 0.5 MB safety memory 5069-L310ERMS2 5069-L320ERS2 Compact GuardLogix processor, 2.0 MB standard memory, 1.0 MB safety memory... - Page 8 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Shorts to 0V DC (and wire off) are seen as an open circuit by the safety input module, and the controller reacts by dropping out the safety contactors.
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Page 9: Electrical Schematic
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Electrical Schematic Safety Reset Fault Reset Jog Switch Safety Interlock Switch For an electrical schematic in AutoCAD or EPLAN format, see the attached files. For instructions on how to access the attachments, see Sample Project Files on page Rockwell Automation Publication SAFETY-AT125C-EN-P - February 2022... - Page 10 For a Studio 5000 Logix Designer project file that you can import into your own project, see the attached ACD file. The attached ACD file includes a GuardLogix 5570 controller, but if you choose a Compact GuardLogix 5370 controller, you can change the controller in the Logix Designer program.
- Page 11 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Programming The Dual Channel Input Stop (DCS) instruction monitors dual-input safety devices whose main function is to stop a machine safely, for example, a safety gate.
- Page 12 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Dual Channel Input Stop Zone1_Door Safety Function SAFETY GATE Input Type EQUIVALENT - ACTIVE HIGH Discrepancy Time (Msec) Restart Type AUTOMATIC Cold Start Type AUTOMATIC Channel A AENT:1:I.Pt00Data...
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Page 13: Calculation Of The Performance Level
Cat. 3 (minimum). A PFHd of less than 1.0 E-06 for the overall safety function is required for PLd. The GuardLogix 5570 controller subsystem uses 1.2% of PLe bandwidth. The Compact GuardLogix 5370 controller subsystem uses 1.5% of PLe bandwidth. - Page 14 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique The Enabling Switch Safety Function can be modeled as shown. Input Logic Output Enabling 100S-C Switch Channel A GuardLogix Fault Safety 1734-OB8S 1734-IB8S Exclusion Controller...
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Page 15: Verification And Validation Plan
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique A message has been added about the mission time of enabling switch elements (EL). An estimated annual number of 8760 cycles, one per hour, 24 hours a day, 365 days a year, was used to calculate the MTTFd. -
Page 16: Additional Resources
These documents contain more information about related products from Rockwell Automation. Resource Description Describes the GuardLogix 5570 controller and Compact GuardLogix 5370 GuardLogix 5570 and Compact GuardLogix 5370 Controller Systems Safety controller system. Provides instructions on how to develop, operate, or maintain... - Page 17 Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique Notes: Rockwell Automation Publication SAFETY-AT125C-EN-P - February 2022...
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Page 18: Rockwell Automation Support
Safety Functions. Allen-Bradley, CompactLogix, ControlLogix, expanding human possibility, GuardLogix, POINT Guard I/O, POINT I/O, Rockwell Automation, Safety Automation Builder, SensaGuard, Studio 5000 Logix Designer, and Trojan are trademarks of Rockwell Automation, Inc. CIP Safety and EtherNet/IP are trademarks of ODVA, Inc.
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