2020-11-02 16:06:46,754 ERROR [ConnectModBusTCPUtil] [222.105.50.58:502:1 ] Connection refused: connect []
2020-11-02 16:06:46,754 ERROR [ConnectModBusTCPUtil] [222.105.50.58:502:2 ] Connection refused: connect []
2020-11-02 16:06:46,785 ERROR [ConnectModBusTCPUtil] [222.105.50.58:502:3 ] Connection refused: connect []
2020-11-02 16:06:46,801 ERROR [ConnectModBusTCPUtil] [222.105.50.58:502:4 ] Connection refused: connect []