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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
Table of Contents
34. FX3U-CF-ADP Applied Instructions – FNC300 to FNC305 741
34.1 FNC300 – FLCRT / File create•check ...............................................................................................742
34.1.1 Detailed explanation of setting data....................................................................................................743
34.2 FNC301 – FLDEL / File delete•CF card format .................................................................................744
34.2.1 Detailed explanation of setting data....................................................................................................745
34.3 FNC302 – FLWR / Data write ............................................................................................................746
34.3.1 Detailed explanation of setting data....................................................................................................748
34.4 FNC303 – FLRD / Data read..............................................................................................................749
34.4.1 Detailed explanation of setting data....................................................................................................750
34.5 FNC304 – FLCMD / FX3U-CF-ADP command..................................................................................751
34.5.1 Detailed explanation of setting data....................................................................................................752
34.6 FNC305 – FLSTRD / FX3U-CF-ADP status read ..............................................................................753
34.6.1 Detailed explanation of setting data....................................................................................................754
35. SFC Program and Step Ladder 756
35.1 SFC Program .....................................................................................................................................756
35.1.1 Outline.................................................................................................................................................756
35.1.2 Explanation of function and operation.................................................................................................756
35.1.3 SFC program creating procedure........................................................................................................758
35.1.4 Handling and role of initial state relay .................................................................................................761
35.1.5 Latched (battery backed) type state relays .........................................................................................761
35.1.6 Role of the RET instruction.................................................................................................................762
35.1.7 Preliminary knowledge for creating SFC program ..............................................................................762
35.1.8 SFC flow formats.................................................................................................................................768
35.1.9 Program of branch/recombination state relays ...................................................................................771
35.1.10 Rule for creating branch circuit .........................................................................................................772
35.1.11 Program examples............................................................................................................................776
35.2 Step Ladder........................................................................................................................................785
35.2.1 Outline.................................................................................................................................................785
35.2.2 Explanation of function and operation.................................................................................................785
35.2.3 Expression of step ladder....................................................................................................................787
35.2.4 Creation of step ladder program (SFC program → STL program)......................................................788
35.2.5 Preliminary knowledge for creating step ladder programs..................................................................789
35.2.6 Program with state relays in branches and recombination .................................................................792
35.2.7 Program examples..............................................................................................................................796
36. Interrupt Function and Pulse Catch Function 802
36.1 Outline................................................................................................................................................802
36.2 Common Items...................................................................................................................................803
36.2.1 How to disable interrupt function.........................................................................................................803
36.2.2 Related items......................................................................................................................................804
36.2.3 Cautions on use (common).................................................................................................................804
36.3 Input Interrupt (Interrupt Triggered by External Signal) [Without Delay Function] ............................. 807
36.3.1 Input interrupt (interrupt triggered by external signal) [without delay function]....................................807
36.3.2 Examples of practical programs (programs to measure short pulse width) ........................................811
36.4 Input interrupt (Interrupt by External Signal) [With Delay Function]...................................................813
36.5 Timer Interrupt (Interrupt in Constant Cycle)......................................................................................813
36.5.1 Timer interrupt (interrupt in constant cycle).........................................................................................813
36.5.2 Examples of practical program (timer interrupt programs using applied instruction) ..........................815
36.6 Counter Interrupt - Interrupt Triggered by Counting Up of High-Speed Counter ...............................818
36.7 Pulse Catch Function [M8170 to M8177]........................................................................................... 819
36.8 Pulse width/Pulse period measurement function [M8075 to M8079, D8074 to D8097]..................... 820