diff --git a/config/devices.properties b/config/devices.properties
index 01708d0..5bc738e 100644
--- a/config/devices.properties
+++ b/config/devices.properties
@@ -1,3 +1,4 @@
+beam_status=ch.psi.pshell.epics.DiscretePositioner|ACOAU-ACCU:OP-MODE|Read||true
 edata=ch.psi.pshell.epics.ChannelDoubleArray|EDATA 3|Read||
 count=ch.psi.pshell.epics.ChannelInteger|COUNT|Read||true
 data=ch.psi.pshell.epics.ChannelDoubleArray|DATA 3|Read||