Error-free case: 15:28:31.707 [debug] qt.modbus: (RTU client) Sent Serial PDU: 0x0400000005 15:28:31.708 [debug] qt.modbus.lowlevel: (RTU client) Sent Serial ADU: 0x0104000000053009 15:28:31.710 [debug] qt.modbus: (RTU client) Send successful: 0x0400000005 15:28:31.713 [debug] qt.modbus.lowlevel: (RTU client) Response buffer: "01040a" 15:28:31.714 [debug] qt.modbus: (RTU client) Incomplete ADU received, ignoring 15:28:31.716 [debug] qt.modbus.lowlevel: (RTU client) Response buffer: "01040a000000000000009d01fec083" 15:28:31.717 [debug] qt.modbus: (RTU client) Received ADU: "01040a000000000000009d01fec083" Error case: 15:28:31.723 [debug] qt.modbus.lowlevel: (RTU client) Sent Serial ADU: 0x0110006000060c0000ffffffff00000000000012f3 15:28:31.749 [debug] qt.modbus.lowlevel: (RTU client) Response buffer: "0110006000064015" 15:28:31.750 [debug] qt.modbus: (RTU client) Received ADU: "0110006000064015" 15:28:31.752 [debug] qt.modbus: (RTU client) Send successful: 0x10006000060c0000ffffffff000000000000 15:28:36.641 [debug] qt.modbus: (RTU client) Receive timeout: 0x10006000060c0000ffffffff000000000000