old_contents: #!/usr/bin/python
  import minimalmodbus
  import serial
  from time import sleep
  
  ADDRESS = 1
  minimalmodbus.CLOSE_PORT_AFTER_EACH_CALL = True
  minimalmodbus.PARITY=serial.PARITY_EVEN
  minimalmodbus.STOPBITS = 1
  minimalmodbus.BAUDRATE=19200
  sensor = minimalmodbus.Instrument('/dev/ttyUSB5', slaveaddress=ADDRESS)
  # sensor.debug=True
  #print("writing")
  #sensor.write_register(4, value=0, functioncode=6)
  #print("reading holding")
  # print(sensor.read_register(4, functioncode=3))
  # print(sensor.read_register(0, functioncode=4))
  # print(sensor.read_register(1, functioncode=4))
  
  while True:
  	print(sensor.read_register(0, functioncode=4))
  	print(sensor.read_register(1, functioncode=4, numberOfDecimals=1, signed=True))
  	sleep(0.1)
new_contents: #!/usr/bin/python
  import minimalmodbus
  import serial
  from time import sleep
  
  ADDRESS = 1
  minimalmodbus.CLOSE_PORT_AFTER_EACH_CALL = True
  minimalmodbus.PARITY=serial.PARITY_NONE
  minimalmodbus.STOPBITS = 2
  minimalmodbus.BAUDRATE=19200
  sensor = minimalmodbus.Instrument('/dev/ttyUSB5', slaveaddress=ADDRESS)
  # sensor.debug=True
  #print("writing")
  #sensor.write_register(4, value=0, functioncode=6)
  #print("reading holding")
  # print(sensor.read_register(4, functioncode=3))
  # print(sensor.read_register(0, functioncode=4))
  # print(sensor.read_register(1, functioncode=4))
  
  while True:
  	print(sensor.read_register(0, functioncode=4))
  	print(sensor.read_register(1, functioncode=4, numberOfDecimals=1, signed=True))
  	sleep(0.1)
subject: Use the new defaults in the test script: 19200/8-N-2