The principle and method of hardware and software configuration based on the profibus are discussed mostly , and the application of the software and hardware configurated principle is discussed by example , and also according to the field ' s fact , a kind of method of eliminating temperature affecting the pressure intersectional sensitive performance to the pressure sensor is mentioned , namely two dimension curve demarcateing method , and the compensation of the pressure and temperature and linearization question to the flux singals are also mentioned 在该级主要论述了基于profibus总线的硬件组态和软件组态的原理与方法，并以实例探讨了软硬件组态原理的应用。然后根据现场的实际情况，提出了消除温度对压力传感器压力交叉灵敏度的影响的方法，即二维曲线标定法；同时探讨了流量信号的压力、温度补偿和线性化处理问题。
