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Old Version 9

changes.mady.by.user Kenichi Nakano

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New Version 10

changes.mady.by.user Kenichi Nakano

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  1. Confirm that the shim PS is powered ON (if you can go in the hall).
  2. Press "To Zero" .to confirm that
  3. Press the Toggle button of the main switch heater.  It turns on both the main and shim switch heaters.
    1. When you use the PS front panel, you press additionally the two buttons of the shim switch heaters on CCP, to turn them on.
  4. Confirm that the two LEDs on the shim PS are ON (if you can go into the hall).
  5. Set "2 A/m" and "45 A".
    1. You can use the "Presets" selector, or enter the values into the text boxes.
  6. Press "To Set" and wait until the current becomes the set point (SP) and "HOLD".  It takes 23 minutes.
  7. Set "1 A/m" and "63 A".
  8. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 18 minutes.
  9. Set "0.5 A/m" and "74.78 A".
  10. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 24 minutes.
  11. Switch to the persistent mode, if you want.

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  1. Confirm that the shim PS is powered ON.  If not, turn it on and check why it was off.
  2. Confirm that the main and shim switch heaters are OFF.  If not, something is wrong.
  3. Set "74.78 A", using the Presets selector.  The ramp rate becomes "0.5 A/m" but it will not matter.
  4. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 2.5 minutes.

  5. Confirm that "Clamped Rate Limit " nor "Quench" is not red .

To Ramp Down

  1. Switch back from the persistent mode, if necessary

    (if you can go into the hall).

  2. Press the Toggle button of the main switch heater.  It turns on both the main and shim switch heaters.

To Ramp Down

  1. Switch back from the persistent mode, if necessary.
  2. Set "0.5 A/m" and "63 A".
  3. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 24 minutes.
  4. Set "1 A/m" and "45 A".
  5. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 18 minutes.
  6. Set "2 A/m" and "0 A".
  7. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 23 minutes.
  8. Press the Toggle button of the main switch heater.  It turns off both the main and shim switch heaters.

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