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MELSEC-Q
12   CONTROL SUB FUNCTIONS 
 
The pre-reading start function is effective for the system as shown below. 
 
Cutter
Cutter shaft
Feed shaft
Stock
 
Fig. 12.52 System example using pre-reading start function 
 
Fig. 12.52 shows a system example which repeats: 
1) Feeding a stock with a feed shaft; and 
2) Cutting it with a cutter 
to cut the stock to fixed size. The operations of the feed shaft and cutter shaft are 
represented as shown in Fig. 12.53.