diff --git a/config/devices.properties b/config/devices.properties
index f90be8d9..4b12b947 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -1,6 +1,7 @@
 #det=ch.psi.pshell.epics.AreaDetector X03DA-SCIENTA:cam1 X03DA-SCIENTA:image1
 scienta=ch.psi.pshell.epics.Scienta X03DA-SCIENTA:cam1 X03DA-SCIENTA:image1
 manip=ch.psi.pshell.epics.Manipulator 
+$eph=ch.psi.pshell.epics.Positionable X03DA-PHS-E:GO.A X03DA-PGM:rbkenergy
 x=ch.psi.pshell.epics.Motor X03DA-ES2-MA:TRX
 y=ch.psi.pshell.epics.Motor X03DA-ES2-MA:TRY
 z=ch.psi.pshell.epics.Motor X03DA-ES2-MA:TRZ
diff --git a/script/PhotonEnergy.py b/script/PhotonEnergy.py
index 1a0f6361..84ea85ad 100644
--- a/script/PhotonEnergy.py
+++ b/script/PhotonEnergy.py
@@ -10,9 +10,9 @@ set_preference(Preference.PLOT_TYPES,{'integration':1});
 
 if len(VECTOR[0]) == 2:
     #FIXED
-    writables = (pe, scienta.centerEnergy)
+    writables = (eph, scienta.centerEnergy)
 else:
     #SWEPT
-    writables = (pe, scienta.lowEnergy, scienta.highEnergy)
+    writables = (eph, scienta.lowEnergy, scienta.highEnergy)
 
 vscan(writables, SENSORS, VECTOR, True, LATENCY,False, before_read=trig_scienta)