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)

Details of each unit

• Lifter mechanical setup

  Qty	Description	Manufacturer	Part number
  7	Limit switch	Honeywell	311SM6-T
  2	String Potentiometer	TE connectivity	PT1A-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 
  

• 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 

After each gearing stage  5000 motor steps = 1" travel 

This is the report prepared by the designer of the lifter   E1039 Target Frame and Lifter Final Report.pdf 

This is the ORC document which covers the electrical wiring in the lifter setup Lifter Electrical ORC.pdf