diff --git a/site_ansto/instrument/hrpd/config/plc/plc.tcl b/site_ansto/instrument/hrpd/config/plc/plc.tcl
index d7e9d32c..0507a01b 100644
--- a/site_ansto/instrument/hrpd/config/plc/plc.tcl
+++ b/site_ansto/instrument/hrpd/config/plc/plc.tcl
@@ -1,6 +1,6 @@
 set sim_mode [SplitReply [plc_simulation]]
 if {$sim_mode == "false"} { 
-  MakeAsyncQueue plc_chan SafetyPLC 137.157.204.65 30002
+  MakeAsyncQueue plc_chan SafetyPLC 137.157.211.21 30002
   MakeSafetyPLC plc plc_chan 0
 }