tiandihe/backend/opc_config.json

{
  "opc_url": "opc.tcp://127.0.0.1:49320",
  "counter_node": "ns=2;s=PL.TRACKMAP.COUNTER",
  "poll_interval": 2,
  "trackmap_nodes": {},
  "signal1_node": "ns=2;s=PL.Signal.EntryCoil",
  "signal2_node": "ns=2;s=PL.Signal.WeldDone",
  "write_counter_node": "",
  "write_source_node": "",
  "write_target_node": "",
  "write_nodes": {
    "1": {},
    "2": {}
  }
}