Coil Test Weekly Meeting 11-Nov-2010

Solenoid Coil Test Weekly Meeting

Location and Time

• Thu 4-Nov-2010 9:30 am ARC 428

Agenda

• Long term personnel outlook - Elliott
  • tranfer of PLC programming responsibility

• Experience with control system - All
  • what have we learned, and is it written down?
  • what will we do differently for the next coil?
  • what needs to be added/modified/improved?
    • EWEB strip charts
    • add missing sensors to EWEB pages
    • add PID info

• Preparation for powered operations - Elliott
  • OSP, checklists, etc.
  • shunt installation/wiring, connection to interlock/control system
  • ground fault detection
  • fast DAQ, which channels, what rates, how to coordinate time with PLC archive?
  • rewire quench detector, how to balance channels?
  • revisit fast/slow dump strategies - avoid fast dumps at all costs
  • Hall probe
  • pickup coils
  • 240 V UPS on Danfysik control boards, main breaker
  • more redundancy?
  • interlock checkout
  • ODH on platform?
  • broken/flaky sensors/gauges/instruments
    • replace Pt sensor in heat exchanger with Si diode?
    • C-glass calibrations
    • flat-lined Pt sensors
  • vacuum valve interlock
  • what to do about strain gauges?

• Rdesktop/VNC policy and procedures - Yi, Josh

• PI Responsibilities during test - Jonathan
  • Low power magnet testing 5A, 50A,100A - Elliott
  • High power magnet testing 100-1500A - Elliott
  • Identify possible turn to turn shorts during ramping - Eugene
  • Assess Heim column centering in coil - George
  • Assess Axial column forces - George
  • Estimate LN2 and He heat leak - Jonathan
  • Assess LN2 and LHe thermal siphons - Jonathan

• Controls racks - Scot
  • strain gauge and UPS interlocks
  • UPS lifetime test

• PLC operations - Mark W
  • PID tuning, calibration, JT valve limits, etc.
  • rework PID loop strategy
  • magnet ramp down mechanism
  • UPS interlock
  • can PLC log info to file?
  • another tutorial

• EPICS - Hovanes
  • connection to guard shack and notification conditions
  • pager status and strategy

• HMI and EWEB programming - Yi, Hovanes
  • program access to archived data
  • another tutorial

• Elog experience - All
  • remember to enter your name!
  • do we need automatic entries?

• Coil repair status - George
  • loose CF (ConFlat) flanges

• Learn how to use Linux for web and email - Elliott

• Solenoid review 7-Dec

• Purchase of another PLC and Ethernet module - Elliott

• Hall D Technical web page

• Preparations for testing next coil - George, Scot, Elliott
  • update P&I
  • splices
  • yoke location
  • piping adaptors
  • downstream yoke spacers
  • controls racks rewiring
  • quench detector connections
  • connectors on next coil
  • fix known problems
  • what else?