qingdao_opcDa_Api/config/opcserver.json

{
  "ServerName": "Kepware.KEPServerEX.V6",
  "Group": {
    "UpdateRate": 300,
    "Deadband": 0,
    "DeviceId": "101",
    "Items": [
      "test.jyj.production",
      "test.jyj.production2"
    ]
  }  
}