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The subunits of the lifter system

1. Lifter mechanical+Electrical setup (in the target cave)
2. Lifter control box (Slow controls rack)
3. Lifter ADC Box (Slow controls rack)
4. Lifter monitoring box (Control room)

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• Lifter mechanical setup

  Qty	Description	Manufacturer	Part number
  7	Limit switch	Honeywell	311SM6-T
  2	String Potentiometer	TE connectivity	PT1APT1A-15-UP-10K-C25
  1	stepper motor	Applied Motion Products, Inc.	HT23-600
  2	Right-Angle Gear Drive	Andantex USA
  2	Screw Jack	Duff-Norton

  The seven(7) position switches are labeled as in the following image. The Upper Limit and the Lower Limit are 
  Image Added

• Lifter Control box

The attached ORC document describes the details of the lifter control box ORC-1865_ORC_Lifter Control System.pdf

The complete lifter system diagram 

Image Added

After each gearing stage  5000 motor steps = 1" travel 

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