Ops/Comm Scheduling meeting¶

Location : CR12 in R68 @ 15:30 pm on Tuesday 12th

Phone access : ReadyTalk number
US 866-740-1260
UK 0800-496-0576
Swiss 0800-70-53-51
Italy 800182592
Access Code: 2155402

• Actions from last meeting
  • DS readback current requires calibration (DL)
  • Install FC monitoring in ISIS MCR (Pierrick,Paolo)
  • Install SSH Enable/Disable mimic : Pierrick

• DC report

• MOM report

• Magnet & Channel commissioning

• Operations in the next few days
  • Running plans
    • Wednesday (no beam so no running)
    • Thursday - run with FC only
      • morning - ramp FC
      • 10'ish (?) - 4pm : take data
      • 4 pm - ramp down FC
    • Friday - run with FC only
      • Afternoon shift training from about 2:30 - 5
    • Saturday/Sunday : straight track running
  • Shift training
    • Training on Friday
      • 10 : MOM talk and Safety talk by MOM (Paul Kyberd) and Andy Nichols
      • 11-1 : Control room familiarisation in the remote control room (Francois)
      • 2 : Meet the MOM at ISIS control room to : get radiation badge and get card access to R5.2
      • 2:30 - 5
        • Guide to the layout of the MLCR (Francois)
        • PPS Training (Controlled access) (Henry)
        • Hall walkthrough (Andy)
        • Beamline and Target training (Henry)

• AOB

• DONM : 19th July in CR16

Minutes¶

• Present : SB, PS, PF, CR, PK, JB, MC, KR, CW, VB, CM, JC, MU

• Actions
  • DS readback current requires calibration (DL) : Stands
  • Install FC monitoring in ISIS MCR (Pierrick,Paolo) : Stands
  • Install SSH Enable/Disable mimic : Pierrick : Stands

• Magnet and channel commissioning

• can reproduce quench protect trip operation with only one power supply on ECE
• can reach final desired current and sit there for about an hour. Can see noise growing on trace for
• combined voltage taps. Looks like a set of spikes with ringing over a period of 10s with spikes growning
• in amplitude with time until the trip level is reached. Maybe coming from PS and its controller but don't
• know yet. Could be many things.
• PRY/Magnets are also moving by up to 4 mm and Josef wants to stop this. Josef wants to put spacers between
• the SSs and the PRY. Jason is looking at this and has a design
• but it won't be ready for this run. Crap - what do I do with shifters. Possibly could get this done for the end of
• the next shutdown. **
• Whats the plan? We run the ECE with a single PS tomorrow and look at ringing behaviour. Whilst ringing adjust
• PS behaviour to see what effect this has.
• Victoria : is there any historical data from when SSU/D were powered together as there was less movement then?
• Mike : noone's looked.
• JC : can see a 0.1 Hz signal on FC all the time from somewhere. When we see a spike on SSU we also see a spike on the
• FC.
• Trips are close together - growth of spikes. Time will be needed.

• Plots look OK
• JC : can the tracker see if the SSs have shifted.
• MU : Paul was going to look at it in simulation.
• Paul : haven't got too far. Compare tracker distributions before and after powering and see if there is any difference.

• JC wrote a document about running the FC and has a document for shifters.