The advanced programming languages of PLC
Bingbing Chen · Machine Tool Electric Apparatus · 2008
The article mainly discusses two advanced programming languages S7-Graph and S7-HiGraph based on PLC developed by Siemens.The article gives emphasis to discussing their programming principles of the two programming languages,and at the same time,by applying the two advanced programming languages and traditional ladder diagram in a same example,we can obtain the conclusion that the two programming languages have many advantages over other traditional programming languages based on experience.