The setup  in the optics hutch is sketched below. Details of specific elements are available by clicking on the parts. please note, that the x-ray beam is coming from the right from the insertion devices and the front end shutter.
 

safety 
shutter
wire
monitor
slit 2  Mirror 2  Mirror 1 Monochromator slit 2
heatload shutt.
Att.

primary

slit

bst posz
posy
s2vg
s2vo
s2hg
s2ho
m2z
m2in
m2m
m1z
m1in
m1m
m1y
m1yaw
mono
monoz
monoa
monot1
monot2
s1vg
s1vo
s1hg
s1hg
heatrot, heatz
  pvg 
pvo
phg
pho