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CJ2 CPU Unit Software User’s Manual
Section 12 CPU Unit Cycle Time
12-1 Monitoring the Cycle Time.................................................................................................... 12-2
12-1-1 Monitoring the Cycle Time ........................................................................................................ 12-2
12-2 Computing the Cycle Time ................................................................................................... 12-4
12-2-1 CPU Unit Operation Flowchart..................................................................................................12-4
12-2-2 Cycle Time Overview ................................................................................................................12-5
12-2-3 I/O Unit Refresh Times for Individual Units ...............................................................................12-7
12-2-4 Cycle Time Calculation Example ............................................................................................ 12-11
12-2-5 Online Editing Cycle Time Extension...................................................................................... 12-13
12-2-6 I/O Response Time ................................................................................................................. 12-13
12-2-7 Response Time for Input Interrupts.........................................................................................12-14
12-2-8 Response Performance of Serial PLC Links........................................................................... 12-15
Appendices
A-1 Instruction Functions ..............................................................................................................A-3
A-1-1 Sequence Input Instructions .......................................................................................................A-3
A-1-2 Sequence Output Instructions.....................................................................................................A-5
A-1-3 Sequence Control Instructions....................................................................................................A-6
A-1-4 Timer and Counter Instructions.................................................................................................A-10
A-1-5 Comparison Instructions ...........................................................................................................A-14
A-1-6 Data Movement Instructions .....................................................................................................A-18
A-1-7 Data Shift Instructions...............................................................................................................A-20
A-1-8 Increment/Decrement Instructions ............................................................................................A-24
A-1-9 Symbol Math Instructions..........................................................................................................A-24
A-1-10 Conversion Instructions.............................................................................................................A-29
A-1-11 Logic Instructions ......................................................................................................................A-35
A-1-12 Special Math Instructions..........................................................................................................A-37
A-1-13 Floating-point Math Instructions................................................................................................A-38
A-1-14 Double-precision Floating-point Instructions .............................................................................A-42
A-1-15 Table Data Processing Instructions...........................................................................................A-45
A-1-16 Tracking Instructions .................................................................................................................A-49
A-1-17 Data Control Instructions ..........................................................................................................A-50
A-1-18 Subroutine Instructions .............................................................................................................A-54
A-1-19 Interrupt Control Instructions.....................................................................................................A-55
A-1-20 High-speed Counter/Pulse Output Instructions.........................................................................A-56
A-1-21 Step Instructions .......................................................................................................................A-58
A-1-22 Basic I/O Unit Instructions.........................................................................................................A-58
A-1-23 Serial Communications Instructions..........................................................................................A-61
A-1-24 Network Instructions .................................................................................................................A-63
A-1-25 File Memory Instructions...........................................................................................................A-65
A-1-26 Display Instructions ...................................................................................................................A-66
A-1-27 Clock Instructions......................................................................................................................A-67
A-1-28 Debugging Instructions .............................................................................................................A-68
A-1-29 Failure Diagnosis Instructions ...................................................................................................A-68
A-1-30 Other Instructions......................................................................................................................A-69
A-1-31 Block Programming Instructions ...............................................................................................A-70
A-1-32 Text String Processing Instructions...........................................................................................A-74
A-1-33 Task Control Instructions...........................................................................................................A-77
A-1-34 Model Conversion Instructions..................................................................................................A-77
A-1-35 Special Function Block Instructions ..........................................................................................A-78