Table of Contents
Advertisement
Quick Links
Application Technique
Safe-monitored Access via a 442G Access Box and a Guardmaster
GLP Safety Relay Safety Function
Products: 442G Access Box, Guardmaster GLP Safety Relay, 100S-C Contactors
Safety Rating: Cat. 3, PLd to ISO 13849-1: 2015
Topic
Page
2
3
4
5
5
5
6
7
7
11
12
15
16
Advertisement
Table of Contents
Related Manuals for Rockwell Automation Allen-Bradley 442G
Summary of Contents for Rockwell Automation Allen-Bradley 442G
-
Page 1: Table Of Contents
Application Technique Safe-monitored Access via a 442G Access Box and a Guardmaster GLP Safety Relay Safety Function Products: 442G Access Box, Guardmaster GLP Safety Relay, 100S-C Contactors Safety Rating: Cat. 3, PLd to ISO 13849-1: 2015 Topic Page Important User Information General Safety Information Introduction Safety Function Realization: Risk Assessment... -
Page 2: Important User Information
If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment. -
Page 3: General Safety Information
Safe-monitored Access via a 442G Access Box and a Guardmaster GLP Safety Relay Safety Function General Safety Information Contact Rockwell Automation to learn more about our safety risk assessment services. IMPORTANT This application example is for advanced users and assumes that you are trained and experienced in safety system requirements. -
Page 4: Introduction
If the PDF file opens in a browser and you don't see the Attachments link , download the PDF file and then reopen the file with the Adobe Acrobat Reader application. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... -
Page 5: Safety Function Realization: Risk Assessment
Restart button energizes the two contactors, which restores power to the motor. The safety functions in this application technique each meet or exceed the requirements for category 3, Performance Level d (cat. 3, PLd), per ISO 13849-1 and control reliable operation per ANSI B11.19. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... -
Page 6: Functional Safety Description
A Reset MAB Fault button is included in the circuit diagram. The MAB reset process is described in the Multi-functional Access Box User Manual, publication 442G-UM001. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... -
Page 7: Bill Of Material
When the motor runs in the locked guarded area, pressing and releasing the Unlock Request button causes the SI relay to turn off its safety outputs. The K1 and K2 contactors are de-energized and the motor coasts, uncontrolled, to a stop Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... - Page 8 Their N.O. contacts close and restore the connection between 24V DC and the Restart circuit. Start Pressing the Restart button energizes the K1 and K2 contactors. Their N.O. contacts close and restore power to the motor. Hazardous motion begins. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
- Page 9 OI: True when the MAB is faulted. suppressor -Red LED modules extended, locked or not. OI: True when the MAB is faulted. For an electrical schematic in AutoCAD or ePLAN format, see the attached files. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
- Page 10 K3–K4 Feedback – SI Reset Open manually Guarded Gate operated Closed and Latched MAB Lock Request (LR) High for 0.25 sec. min. to 3 sec. max. Press Start Button Frequency Measuring Time Expired Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
-
Page 11: Configuration
6. Monitor the flashing indicators on the GLP safety relay. For details, see Guard-Locking Proximity Inputs Safety Relay User Manual, publication 440R-UM012. 7. Remove power to the GLP safety relay. 8. Pause, and then restore power to the GLP safety relay. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... -
Page 12: Calculation Of The Performance Level
2.0.3 of SISTEMA. As a result, the same SISTEMA data file that is opened in two different versions of SISTEMA can yield different calculated results. The Performance Level for all safety functions is shown in the graphic. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... - Page 13 The safe-monitored stop safety function can be modeled as follows. Output Input Logic 872C Proximity Sensor Guardmaster 442G GLP Safety Multifunctional Relay Access Box 872C Proximity Sensor Subsystem 2 Subsystem 3 Subsystem 1 Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
- Page 14 Because the contactors, K1, K2, K3, and K4, are electromechanical devices, the safety contactor data includes the following: • Mean Time to Failure, dangerous (MTTFd) • Diagnostic Coverage (DCavg) • Common Cause Failure (CCF) Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
-
Page 15: Verification And Validation Plan
A checklist is typically used to document the validation of the safety control system. Before validating the system, confirm that the Guardmaster safety relay has been wired and configured in accordance with the installation instructions. For a validation checklist, see the attached spreadsheet. Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019... -
Page 16: Additional Resources
Safe-monitored Access via a 442G Access Box and a Guardmaster GLP Safety Relay Safety Function Additional Resources These documents contain more information about related products from Rockwell Automation. Resource Description System Design for the Control of Electrical Noise, publication GMC-RM001 Outlines the practices that minimize the possibility of noise-related failures and that comply with noise regulations. - Page 17 Safe-monitored Access via a 442G Access Box and a Guardmaster GLP Safety Relay Safety Function Notes: Rockwell Automation Publication SAFETY-AT166A-EN-P - June 2019...
- Page 18 Rockwell Automation maintains current product environmental information on its website at http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page. Allen-Bradley, Guardmaster, LISTEN. THINK. SOLVE. Rockwell Automation, Rockwell Software, Safety Automation Builder, and SensaGuard are trademarks of Rockwell Automation, Inc. CTrademarks not belonging to Rockwell Automation are property of their respective companies.