diff --git a/site_ansto/instrument/pelican/config/motors/extraconfig.tcl b/site_ansto/instrument/pelican/config/motors/extraconfig.tcl
new file mode 100644
index 00000000..4df464cb
--- /dev/null
+++ b/site_ansto/instrument/pelican/config/motors/extraconfig.tcl
@@ -0,0 +1,14 @@
+###
+# Oscillating collimator control
+# oscmd start n -- will run the oscillator motor rco for n cycles and send a stop to the histmem
+
+
+MakeOscillator oscmd rco
+
+proc rco_cb {} {
+  hmm pause
+}
+publish rco_cb user
+
+scriptcallback connect rco MOTEND rco_cb
+