diff --git a/site_ansto/instrument/pelican/config/plc/plc.tcl b/site_ansto/instrument/pelican/config/plc/plc.tcl
index 10635f3f..3fd03f03 100644
--- a/site_ansto/instrument/pelican/config/plc/plc.tcl
+++ b/site_ansto/instrument/pelican/config/plc/plc.tcl
@@ -1,7 +1,11 @@
+#FIXME Does pelican have a PLC interface?
+plc_simulation false
+
 set sim_mode [SplitReply [plc_simulation]]
+
 if {$sim_mode == "false"} {
-#  MakeAsyncQueue plc_chan SafetyPLC 137.157.204.79 31001
-#  MakeSafetyPLC plc plc_chan 0
+   MakeAsyncQueue plc_chan SafetyPLC IP? PORT?
+   MakeSafetyPLC plc plc_chan 0
 }
 
 source $cfPath(plc)/plc_common_1.tcl