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  • Turn off the controller, by toggling the black power switch at the backside of the controller.
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    • (As of 2024-June-08) Make sure that the blue Ethernet cable is not loose, by gently pulling it.  If it is loose, push it firmly.
  • Wait until the screen gets blank.  It usually takes a few seconds.
    • If it doesn't get blank, unplug only blue Ethernet cable and go to the next step. If that doesn't work then unplug all three cables (blue Ethernet, gray power output and black power input) at the backside and wait for a minute or longer as needed.
  • Turn on the controller by toggling the black power switch.
  • Press the rightmost button so that the green LED illuminates (not flashes) as shown in following picture.
    • You might need to press the button twice or none.  Anyway make the green LED illuminate.

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Secondary Pump System

  • Backing pump: ???
  • Turbo pump: Pfeiffer HiPace 1200
    • To turn on HiPace 1200 without remote control, the special plug (shown in the photo below) has to be attached to the "Remote" port.
    • To remotely control HiPace 1200, the special plug has to be detached (even when using the "RS-485" port for remote communication).
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  • Cable for RS-485 communication with HiPace 1200
    • Length: 110 feet.  Red = D+, Black = D-, Green = GND, White = 24 V (unused).
  • RS-485-Ethernet Interface at slow-control rack: Waveshare RS485 TO ETH(B)

Backup of Turbo Pump

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