diff --git a/config/devices.properties b/config/devices.properties
index adedb105..2f0a553a 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -22,3 +22,4 @@ countsr4=ch.psi.pshell.epics.ChannelDouble X03DA-SCIENTA:Stats4:Total_RBV Read 3
 #sizex=ch.psi.pshell.epics.ChannelInteger X03DA-SCIENTA:cam1:SizeX_RBV
 #lowen=ch.psi.pshell.epics.ChannelDouble X03DA-SCIENTA:cam1:LOW_ENERGY 6
 #highen=ch.psi.pshell.epics.ChannelDouble X03DA-SCIENTA:cam1:HIGH_ENERGY 6
+ps1=ch.psi.pshell.epics.AreaDetector X03DA-ES-PS1:cam1 X03DA-ES-PS1:image1