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Remote Access Review

This review explores the remote access capabilities and infrastructure of the Test Lab, featuring cleanroom datalogging systems that monitor critical parameters across multiple channels. It discusses the Vertical Test Area (VTA) control systems, including RF test data and remote controls for cryogenic systems. The review highlights current systems' operations, engineered solutions, and performance measures. Future enhancements to remote access, the transition to Ethernet-based distributed control systems, and the shift to programmable logic controllers for VTA cryo controls are also examined.

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Remote Access Review

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  1. Remote Access Review Test Lab Kirk Davis December 1, 2010 

  2. Test Lab • Cleanroom datalogging system: • Logs critical infrastructure parameters (Windows; ~30 channels) • Provides alarming via IT’s existing text paging system • Vertical Test Area (VTA) control systems: • Logs critical VTA dewar parameters, RF test data (~ 90 channels) • VTA dewarcyrogenic controls (MAC) and RF controls (Windows) • Cryogenic Test Facility (CTF) overview screen (monitor only, controls are in CTF by Cryo Group) • Cryomodule Test Facility (CMTF) control systems: • Logs cryomodule temperatures and pressures (~ 50 channels) • Remote controls for 1497MHz Klystrons and low-level RF • Cryomodule cryogenic controls (EPICS controls by Cryo group)

  3. Test Lab • Explain how your systems are remotely accessed from • on-site (e.g. office) • Labview provides Web-server jpg’s of historical data • Remote desktop via Windows OS • off-site (e.g. home) • Remote desktop via Windows OS • Include your engineered solutions, policies, procedures, operations and QA/performance measures • Left to the discretion of system owners (wild-wild West model)

  4. Test Lab • Describe future plans or needs for enhancing/upgrading remote access, e.g. changed systems, different controls, access for PDAs, etc. • TEDF, Test Lab rehab will require increased use of distributed control systems using ethernet backbone. • Serial communications (e.g. RS-232) are becoming obsolete on both computers and instruments • Many off-the-shelf instruments provide web-server functionality to provide for configuration and data retrieval. • VTA cryo controls will be converted to programmable logic controllers (PLC) beginning in 2011, interface may be EPICS or Labview TBD. • VTA and CMTF low-level RF controls will convert to PC-104 EPICs interface beginning in 2011.

  5. Test Lab • Industrial devices should be accessible to authorized users via desktop computers anywhere in the test lab • Multi-shift, multi-user operations require group logins • Remote monitoring (off-site) via PDA would be nice

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