diff --git a/script/crlogic.py b/script/crlogic.py
index 2b4a551..a22ce83 100644
--- a/script/crlogic.py
+++ b/script/crlogic.py
@@ -1,6 +1,8 @@
 scan_start = 9.0
 scan_stop = 9.2
 scan_step = 0.002
+passes = 1
+zigzag = False
 
 setup_plotting(range = "auto")
 
@@ -28,10 +30,11 @@ class ECalc(Readable):
         return  12.39842 / (crystal.take() * math.sin( math.radians(bragg.readback.take())))
         
 e_calc = ECalc()
-sensors = [RegisterCache(crystal), i0, i1, i2, ref, abs_calc, e_calc]
+sensors = [crystal, i0, i1, i2, ref, abs_calc, e_calc]
 
 bragg.move(scan_start)
 #caput("X10DA-OP-MO3:ROX.URIP", 'No')
 scaler.start()
 
-r1 = hscan(crlogic_config, bragg, sensors, scan_start, scan_stop, scan_step, passes=2, zigzag=True)    
+r1 = hscan(crlogic_config, bragg, sensors, scan_start, scan_stop, scan_step, passes=passes, zigzag=zigzag)    
+