diff --git a/site_ansto/instrument/sans/config/motors/motor_configuration.tcl b/site_ansto/instrument/sans/config/motors/motor_configuration.tcl
index 8143745d..6669a236 100644
--- a/site_ansto/instrument/sans/config/motors/motor_configuration.tcl
+++ b/site_ansto/instrument/sans/config/motors/motor_configuration.tcl
@@ -1,5 +1,5 @@
-# $Revision: 1.14 $
-# $Date: 2007-12-06 23:19:01 $
+# $Revision: 1.15 $
+# $Date: 2008-02-19 04:27:19 $
 # Author: Ferdi Franceschini (ffr@ansto.gov.au)
 # Last revision by: $Author: dcl $
 
@@ -51,15 +51,15 @@ set pent_Home 8123563
 set srce_Home 7518652
 set apx_Home 7500000
 set apz_Home 7500000
-set att_Home 7500000
+set att_Home 24782942
 
 set bsx_Home 7831707
 set bsz_Home 10143000
-set bs5_Home 7500000
-set bs4_Home 7500000
-set bs3_Home 7500000
-set bs2_Home 7500000
-set bs1_Home 7500000
+set bs5_Home 0
+set bs4_Home 0
+set bs3_Home 0
+set bs2_Home 0
+set bs1_Home 0
 set pol_Home 7500000
 
 # early Guide mesaurements
@@ -746,25 +746,26 @@ setHomeandRange -motor apz -home 0 -lowrange 0 -uprange 5
 apz speed 1
 
 # Rotary attenuator
+set att_factor [expr ((1.0 - (1.0)/360.0)*(3000.0/61.0))/360.0]
 Motor att $motor_driver_type [params \
   asyncqueue mc3\
   host mc3-quokka\
   port pmc3-quokka\
   axis G\
-  units mm\
-  hardlowerlim 0\
-  hardupperlim 5\
-  maxSpeed 1\
+  units degrees\
+  hardlowerlim -30\
+  hardupperlim 7230\
+  maxSpeed 10\
   maxAccel 1\
   maxDecel 1\
-  stepsPerX [expr 25000.0/360.0]\
+  stepsPerX [expr ($att_factor*25000.0)]\
   absEnc 1\
   absEncHome $att_Home\
-  cntsPerX [expr 8192.0/360.0]]
+  cntsPerX [expr -($att_factor*8192.0)]]
 att part collimator
 att long_name att
-setHomeandRange -motor att -home 0 -lowrange -30 -uprange 390
-att speed 1
+setHomeandRange -motor att -home 0 -lowrange -30 -uprange 7230
+att speed 5
 
 ############################
 # Motor Controller 4