import modbus_rt import modbus_rt_defines as cst serial_name = "COM11" rm = modbus_rt.rtu(cst.MASTER) rm.set_serial(serial_name) rm.open() # rm.excuse(1,3,0,5) # rm.excuse(1,16,0,5,[21,23,24,25,65]) # rm.excuse(1,3,0,5)