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9.6 Index Register (Z)/Standard Device Resister (Z) ...................................................................9 - 46
9.6.1 Index register (Z)...............................................................................................................9 - 46
9.6.2 Standard device register (Z)..............................................................................................9 - 48
9.6.3 Switching from the scan execution type program to the interrupt/fixed scan execution
type program
....................................................................................................9 - 49
9.7 File Register (R).....................................................................................................................9 - 53
9.7.1 File register data storage location .....................................................................................9 - 54
9.7.2 File register size ................................................................................................................9 - 54
9.7.3 Differences in available accesses by storage memory .....................................................9 - 55
9.7.4 Registration procedure for the file register ........................................................................9 - 56
9.7.5 Specification methods of the file register...........................................................................9 - 61
9.7.6 Precautions for using the file register................................................................................9 - 62
9.8 Extended Data Register (D) and Extended Link Register (W)...............................................9 - 64
9.9 Nesting (N)............................................................................................................................ 9 - 70
9.10 Pointer (P).............................................................................................................................. 9 - 71
9.10.1 Local pointer.....................................................................................................................9 - 72
9.10.2 Common pointer................................................................................................................9 - 74
9.11 Interrupt Pointer(I)..................................................................................................................9 - 76
9.11.1 List of interrupt pointer numbers and interrupt factors ......................................................9 - 77
9.12 Other Devices ........................................................................................................................ 9 - 78
9.12.1 SFC block device (BL) ......................................................................................................9 - 78
9.12.2 Network No. specification device (J).................................................................................9 - 78
9.12.3 I/O No. specification device (U).........................................................................................9 - 79
9.12.4 Macro instruction argument device (VD)...........................................................................9 - 80
9.13 Constants............................................................................................................................... 9 - 81
9.13.1 Decimal constant (K).........................................................................................................9 - 81
9.13.2 Hexadecimal constant (H) .................................................................................................9 - 81
9.13.3 Real number (E)................................................................................................................9 - 82
9.13.4 Character string (" ")..........................................................................................................9 - 83
9.14 Convenient Usage of Devices................................................................................................9 - 84
9.14.1 Global device ....................................................................................................................9 - 84
9.14.2 Local device ......................................................................................................................9 - 85
CHAPTER10 CPU MODULE PROCESSING TIME 10-1 to 10-18
10.1 Scan Time.............................................................................................................................. 10 - 1
10.1.1 Scan time structure ...........................................................................................................10 - 1
10.1.2 Time required for each processing included in scan time .................................................10 - 2
10.1.3 Factors that increase the scan time ..................................................................................10 - 11
CHAPTER11 PROCEDURES FOR WRITING PROGRAM TO CPU
MODULE 11-1 to 11-10
11.1 Items to be Considered for Creating Programs ..................................................................... 11 - 1
11.2 Hardware Check ....................................................................................................................11 - 3
11.3 Procedure for Writing One Program ......................................................................................11 - 5