diff --git a/script/Marco/power-supply.py b/script/Marco/power-supply.py
index 7b595d8..0ea50bf 100644
--- a/script/Marco/power-supply.py
+++ b/script/Marco/power-supply.py
@@ -32,7 +32,7 @@ for setpoint1 in frange(0.0, 120.0, 1.0, True):
 #Dimension 1
 #LinearPositioner SetVA
 print 'Ramping up power supply'
-for setpoint1 in frange(0.0, 50.0, 10.0, True):
+for setpoint1 in frange(0.0, 30.0, 10.0, True):
     if setpoint1 > 50.0 or setpoint1 < 0.0:
         break
     SetVA.put(setpoint1, timeout=None) # TODO: Set appropriate timeout