A - 16
9.2.8 Link special relay (SB) ......................................................................................................9 - 23
9.2.9 Step relay (S) ....................................................................................................................9 - 24
9.2.10 Timer (T)............................................................................................................................9 - 25
9.2.11 Counter (C) .......................................................................................................................9 - 34
9.2.12 Data register (D)................................................................................................................9 - 40
9.2.13 Link register (W)................................................................................................................9 - 41
9.2.14 Link special register (SW) .................................................................................................9 - 43
9.3 Internal System Devices ........................................................................................................ 9 - 44
9.3.1 Function devices (FX, FY, FD) ..........................................................................................9 - 44
9.3.2 Special relay (SM).............................................................................................................9 - 47
9.3.3 Special register (SD) .........................................................................................................9 - 48
9.4 Link Direct Device .................................................................................................................. 9 - 49
9.5 Module Access Devices......................................................................................................... 9 - 53
9.5.1 Intelligent function module device .....................................................................................9 - 53
9.5.2 Cyclic transmission area device ........................................................................................9 - 56
9.6 Index Register (Z) .................................................................................................................. 9 - 57
9.6.1 Index register (Z)...............................................................................................................9 - 57
9.6.2 Switching between the scan execution type and low-speed execution type programs.....9 - 59
9.6.3 Switching from the scan execution type/low-speed execution type program to the
interrupt/fixed scan execution type program
.......................................................... 9 - 60
9.7 File Register (R)..................................................................................................................... 9 - 64
9.7.1 File register data storage location .....................................................................................9 - 65
9.7.2 File register size ................................................................................................................9 - 65
9.7.3 Differences in available accesses by storage memory .....................................................9 - 66
9.7.4 Registration procedure for the file register ........................................................................9 - 67
9.7.5 Specification methods of the file register...........................................................................9 - 73
9.7.6 Precautions for using the file register ................................................................................9 - 74
9.8 Nesting (N)............................................................................................................................. 9 - 77
9.9 Pointer (P).............................................................................................................................. 9 - 78
9.9.1 Local pointer.....................................................................................................................9 - 79
9.9.2 Common pointer................................................................................................................9 - 81
9.10 Interrupt Pointer (I)................................................................................................................. 9 - 84
9.10.1 List of interrupt pointer numbers and interrupt factors ......................................................9 - 86
9.11 Other Devices ........................................................................................................................ 9 - 93
9.11.1 SFC block device (BL) ......................................................................................................9 - 93
9.11.2 SFC transition device (TR)................................................................................................9 - 93
9.11.3 Network No. specification device (J) .................................................................................9 - 93
9.11.4 I/O No. specification device (U).........................................................................................9 - 94
9.11.5 Macro instruction argument device (VD)...........................................................................9 - 95
9.12 Constants............................................................................................................................... 9 - 96
9.12.1 Decimal constant (K).........................................................................................................9 - 96
9.12.2 Hexadecimal constant (H).................................................................................................9 - 96
9.12.3 Real number (E)................................................................................................................9 - 97
9.12.4 Character string (" ")..........................................................................................................9 - 98
9.13 Convenient Usage of Devices................................................................................................ 9 - 99
9.13.1 Global device ....................................................................................................................9 - 99
9.13.2 Local device ......................................................................................................................9 - 100
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