M170 as down-PC,and chose Pt1000 as temperature sensor.In order to eliminate influence from accessional error from temperature sensor,we would talk about error compensation about accessional error.

• M170为下位机，温度传感器选择Pt1000，为了消除温度传感器附加误差对控制结果的影响，文中讨论了附加误差的消除与补偿。