diff --git a/script/XAS.py b/script/XAS.py
index 6222a0c4..a85daf86 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -3,12 +3,13 @@ XAS scan
 """
 
 POSITIONERS = (Eph)
-SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
-STARTPOS = (62.5)
-ENDPOS = (1150.0)
+SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, AuxVoltage, MachineCurrent)
+#SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
+STARTPOS = (540.0)
+ENDPOS = (550.0)
 #NUMPOINTS = 76
-STEPSIZE = 12.5
-LATENCY = 5.0
+STEPSIZE = 0.1
+LATENCY = 1.0
 DWELL = 1.0
 ENDSCAN = True # close shutter at end
 
@@ -16,6 +17,7 @@ value = DWELL * 10.0
 SampleCurrentAveraging.write(value)
 RefCurrentAveraging.write(value)
 AuxCurrentAveraging.write(value)
+AuxVoltageAveraging.write(value)
 
 def trig():
     wait_beam()