着重介绍了西门子MM440变频器、S7-300PLC在攀钢集团特种铁合金公司空压机站改造中的应用情况。
This paper highlights the transform principles and applications of Siemens MM440 transducer, S7-300PLC used in the air-compressor station of Pangang Group Beihai special ferroalloy company.
对大多数用户来讲，出于对用气的考虑，在压缩站房内，往往会使用多台空压机。
For most users will tell, out of the gas consideration, in house in the compression, often can use many sets of air compressor.
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