def METHOD_NAME(slave_id, starting_address, values):
    """ Return ADU for Modbus function code 16: Write Multiple Registers.
    :param slave_id: Number of slave.
    :return: Byte array with ADU.
    """
    function = WriteMultipleRegisters()
    function.starting_address = starting_address
    function.values = values
    return _create_request_adu(slave_id, function.request_pdu)