MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 564)

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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. 12.49 System example using pre-reading start function
Fig. 12.49 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. 12.50.