1/23/97

DEIMOS Stage Inter-operation
 
INSTRUMENT

ROTATION

GRATING

CLAMP

SLIT

INSERT

FILTER

WHEEL

GRATING

SLIDE

GRATING

TILT

SLIT

CASSETTE

 
  1         XXX SLIT CASSETTE
        2 XXX   GRATING TILT
  3     XXX 2   GRATING SLIDE
      XXX       FILTER WHEEL
    XXX       1 SLIT INSERT
  XXX     3     GRATING CLAMP
XXX             INSTRUMENT ROTATION
 
Notes:    
  1 a. Can't move insert until cassette is in a descrete position.
    b. Can't move cassette unless insert is retracted.
     
  2 a. Grating #3 must be in safe position (limit) before grating slide can be moved into position 4.
    b. Grating #3 can not tilt while in position 4.
    c. Grating #1 and grating #4 are imune and can tilt at any time to any angle at any position.
     
  3 a. Grating clamp can only go on in discrete positions.
    b. clamp must come off before moving slide and must remain off until slide has completed it's move.