Application of WinCC recipes function in transformation for central air conditioner energy-saving

Aiming at central air conditioning system great energy waste problems,in today and,a WinCC recipes functions as air conditioning load changes and adaptive control method automatically was described in paper.The questions of data exchanging of recipes system in the actual project were solved,by utilizing the option of WinCC user archive and its inside control functions.The functions of "Read Tag"and"write Tag" became more agile,even achieve the good goal in transformation for central air conditioner eenergy-saving.