PETRA III Info SPS

The SPS ( german for PLC "Programmable Logic Controller" ) have several functions:

  • Collecting the states of the monochromator cryo cooler PLCs and publish them to the DESY network
  • Publish the "Not Aus" state from the PETRA tunnel safety system, that switching the beamline ion pumps off
  • Publish the "USV (battery)" state, that multiplicates the vacuum pressure signal from the PETRA machine
  • Publish the liquid nitrogen "Phasentrenner" fill and alarm state
  • Generate alarms, make it visible with a signal light and send e-mails to the experts

Hardware

  • Control cabinet PC PLC with an EtherCAT bus
  • Peripheral boxes with EtherCAT terminals
  • Touchpanel

Software

  • Soft PLC TwinCAT from BECKHOFF
  • Visualisation webMI2ads from ATVISE

Contact
Link