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Safety Monitoring system for a manufacturing workstation using Web Service Technologies

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  • 1. Safety Monitoring system for a manufacturing workstation using Web Service TechnologiesDate: March, 2012 Conference: The 13th AnnualLinked to: eSONIA (ARTEMIS Project) Conference of the IEEE International Conference on Industrial Technology Title of the paper: Safety Monitoring system for a manufacturing workstation using Web Service TechnologiesContact information Authors: Prasad Karipireddy, Axel Vidales, Jani Jokinen, Jose L.MartinezTampere University of Technology, LastraFAST Laboratory,P.O. Box 600,FIN-33101 Tampere,Finland If you would like to receive a reprint ofEmail: fast@tut.fi the original paper, please contact uswww.tut.fi/fast
  • 2. 2 Safety Monitoring system for amanufacturing workstation using Web Service Technologies Authors: Prasad Karipireddy, Axel Vidales, Jani Jokinen, Jose L.Martinez Lastra Tampere University of Technology Factory Automations Systems and Technologies Lab. www.tut.fi/fast ICIT 2012, Athens, Greece 19-21.3.2012
  • 3. 3Outline1. Introduction2. Objective3. Implementation4. Results5. Conclusions and future work
  • 4. 4Introduction (1/2)1. Safety in manufacturing industry2. Safety device development3. Increased complexity & demands (manufacturing & safety devices)Requirement: Better safety monitoring solutions
  • 5. 5Introduction (2/2)Main problems for monitoring safety:1. Insufficient safety data2. Lack of interoperability
  • 6. 6Objectives1. Real time monitoring of safety data2. Increase safety information resolution3. Increase safety information availability, provide openness4. Isolate safety network from standard network5. Implement the new system for real industrial platform
  • 7. 7eSONIA - project• eSONIA - Embedded Service-Oriented Monitoring, Diagnostics and Control: Towards the Asset-Aware and Self-Recovery Factory.• ARTEMIS CALL 2009 Project, SP4: Efficient manufacturing and logistics• The eSONIA consortium consists of 15 partners. The project partners are from Finland, Italy, Spain and the Czech Republic• Pilots in Automotive, Construction and Pulp&Paper http://www.esonia.eu/
  • 8. 8Validation environment
  • 9. 9 Robot workstation (old configuration)Standard area• Robot• Conveyor system• FeedersSafety area• Safety interlock switches x 8 • All in one series• Emergency stop buttons x 4 • All in one series• Safety relays
  • 10. 10Proposed architecture Third Party ERP Remote SCADA Applications WS WS WS Enterprise Level Internet MES DCS WS WS Local Site Internet Protocol Level WS WS Local SCADA WMS WS Web Service Gateway Safety fieldbus Safety fieldbus Safety Safety fieldbus Safety fieldbus Safety fieldbus Safety fieldbus Level Safety PLC Safety PLC Safety PLC Safety PLC
  • 11. 11 Safety implementationSafety area• Safety interlock and E-stop buttons was individually wired• Safety PLC• Safety fieldbusIntegration• Ethernet gateway• Web service supported controller Specifications of devices used in workstation: Device name Model name No Safety PLC Pluto B46 (Jokab) 1 Safety switches (2-channel, NC ) Omron 1AFS 8 E-stop buttons (2-channel, NC ) Schneider 4 Starter and reset buttons Schneider 2 Ethernet gateway GATE-E2 (Jokab) 1 Safety fieldbus Pluto bus 1 Web Services supported PLC S1000 (Inico) 1 Standard fieldbus Standard ethernet 1
  • 12. 12Safety area of the workstation Remote monitoring 3rd party system applications WS Enterprise WS Level Internet Remote MES etc.. smart RTU WS WS Local Site Internet Protocol Level WS Local Monitoring system Workstation WS Ethernet gateway Pluto bus (CAN) WS WS WS Std Conveyor Robot Feeder Safety Pluto PLC area control interface control area Sensors Robot Sensors Safety Emergency Starter and control and interlock stop and Reset actuators cabinet actuators switches buttons buttons
  • 13. 13HMI
  • 14. 14Safety Event Monitoring in third partymonitoring application
  • 15. 15Conclusions and future work1. Detailed safety information2. Safety levels improved3. Interoperable solution4. Safety information can be monitored by operator through embedded HMIs5. Safety information are published as events and can be integrated to any 3rd party monitoring application supporting WS-Eventing6. Future work is to develop new applications for utilising both safety and non-safety information