opcua read e write

package.json

@@ -7,9 +7,10 @@
     },
     "dependencies": {
         "denque": "^1.4.1",
-        "simple-xmpp": "^1.3.1",
         "is-ip": "^3.1.0",
+        "node-opcua": "^2.186.10",
         "nodes7": "^0.3.14",
+        "simple-xmpp": "^1.3.1",
         "validate": "^5.1.0"
     },
     "repository": {