Description: Advantages: 1, PPI protocol communications faster than OPC, PCAccess, Modbus about 4-5 times faster. (On which an advantage on the feet, huh, huh) 2, PLC-side without writing any communication program. 3, can be carried out directly on the PLC, RUN STOP operation. 4, the procedure used in all LABVIEW underlying the block diagram, useless to call any DLL, API, etc. This is for you to learn or modify the program features are very helpful and convenient.
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File list (Check if you may need any files):
LABVIEW s7 ppi 8.5 有\EVEN校验.vi
.....................\s7 ppi.aliases
.....................\s7 ppi.lvlps
.....................\s7 ppi.lvproj
.....................\S7-PPI协议.vi
.....................\读取值枚举索引.ctl
LABVIEW s7 ppi 8.5 有
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