The Application of Siemens PLC in Traditional Chinese Medicine Production

This article mainly introduces the design thought of Siemens PLC applying for the production of traditional Chinese medicine. In addition, the design and investigation on constant temperature and pressure of a new automatic traditional Chinese medicine dripping machine is introduced in this paper also. The automatic traditional Chinese medicine dripping machine is wholly controlled by the Siemens PLC. Recent application on spots shows: this PLC controlling system works reliably, operates conveniently. 【 Key words 】 traditional Chinese medicine; Siemens PLC; constant pressure; constant temperature