... with these syetems .we can solve the following common problems of PLC:1 ,when the temperature is high ,driving ... system stops frenquently .2 ,when has problems ,the commen producing line can not protect the ... OMRON,SIMENS,and MITSUBISHI .7 ,advantages of cost :about 1/4 of the same germany coating processing line ... can also be tempered .2,the tempered piece of low-e glass can last 3 months in ...