diff --git a/site_ansto/safetyplc.c b/site_ansto/safetyplc.c
index 77525317..03a18b07 100644
--- a/site_ansto/safetyplc.c
+++ b/site_ansto/safetyplc.c
@@ -386,28 +386,48 @@ static int PLC_Action(SConnection *pCon, SicsInterp *pSics,
     if (strcasecmp(argv[1], "hattach") == 0) {
     }
     else if (strcasecmp(argv[1], "shutter") == 0) {
-      if (strcasecmp(argv[2], "open") == 0) {
+      //if (strcasecmp(argv[2], "open") == 0) {
+      if (strcasecmp(argv[2], "on") == 0) {
         /* open shutter */
-        AsyncUnitSendTxn(self->unit, "WRITE 1", 4, PutCallback, self, 132);
+        //AsyncUnitSendTxn(self->unit, "set shutter=on", 14, PutCallback, self, 132);
+        AsyncUnitSendTxn(self->unit, "READ", 4, PutCallback, self, 132);
         return OKOK;
       }
-      else if (strcasecmp(argv[2], "close") == 0 ||
-          strcasecmp(argv[2], "shut") == 0) {
+      //else if (strcasecmp(argv[2], "close") == 0 ||
+      else if (strcasecmp(argv[2], "off") == 0) {
+        //  strcasecmp(argv[2], "shut") == 0) {
         /* close shutter */
-        AsyncUnitSendTxn(self->unit, "WRITE 2", 4, PutCallback, self, 132);
+        AsyncUnitSendTxn(self->unit, "set shutter=off", 15, PutCallback, self, 132);
+        return OKOK;
+      }
+      else if (strcasecmp(argv[2], "auto") == 0) {
+        AsyncUnitSendTxn(self->unit, "set shutter=auto", 16, PutCallback, self, 132);
         return OKOK;
       }
       else {
-        snprintf(line, 132, "%s %s does not understand %s",
-            argv[0], argv[1], argv[2]);
+        snprintf(line, 132, "%s %s does not understand %s", argv[0], argv[1], argv[2]);
         SCWrite(pCon, line, eError);
-  return 0;
+        return 0;
       }
     }
+    else if (strcasecmp(argv[1], "focuslight") == 0) {
+      if (strcasecmp(argv[2], "on") == 0) {
+        AsyncUnitSendTxn(self->unit, "set focuslight=on", 17, PutCallback, self, 132);
+        return OKOK;
+      } else if (strcasecmp(argv[2], "off") == 0) {
+        AsyncUnitSendTxn(self->unit, "set focuslight=off", 18, PutCallback, self, 132);
+        return OKOK;
+      } else {
+        snprintf(line, 132, "%s %s does not understand %s", argv[0], argv[1], argv[2]);
+        SCWrite(pCon, line, eError);
+        return 0;
+      }
+    }
+  } else {
+    snprintf(line, 132, "%s does not understand %s", argv[0], argv[1]);
+    SCWrite(pCon, line, eError);
+    return 0;
   }
-  snprintf(line, 132, "%s does not understand %s", argv[0], argv[1]);
-  SCWrite(pCon, line, eError);
-  return 0;
 }
 
 static pSafetyPLCController PLC_Create(const char* pName)